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Pc78us-8 Part Book Saa4d95le 5g S N 504574 Up For

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SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
-
Section Description
A0 ENGINE CYLINDER HEAD AND ITS RELATED PARTS
B0 ENGINE CYLINDER BLOCK AND ITS RELATED PARTS
C0 ENGINE LUBRICATION SYSTEM
D0 ENGINE FUEL SYSTEM
E0 ENGINE COOLING SYSTEM
F0 ENGINE ELECTRICAL SYSTEM
G0 ENGINE ACCESSORIES AND OTHERS
I0 ENGINE MARKS AND PLATES
Y0 FIELD REPAIR SERVICE PARTS

Reference: Page:|0000000
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SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
ENGINE CYLINDER HEAD AND ITS RELATED PARTS
Unit Name Unit No.
Cylinder Head Cover VC90A153
Breather BR90A132
Air Intake Manifold IM 9118
Air Intake Connector IC90A142
Air Intake Connector Mounting IC90A143
Air Intake Heater AH 9185
Air Transfer Connection IT90A187
Air Cleaner Cap X16-0053910
Exhaust Manifold Mounting TB91382
Exhaust Manifold TB91474
Turbocharger PP90A151
Turbocharger Oil Piping TP97428
Exhaust Muffler X16-0053870
Exhaust Muffler Piping X16-0053880
Engine Lifting LA90A144
Engine Controller Related Parts X16-0027630

Reference: Page:A000000
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SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Cylinder Head Cover
FIG. Name FIG. No.
Cylinder Head Cover, (#504574-507709) AVC00-001001
Cylinder Head Cover, (#507710-) AVC00-001001A

Reference:VC90A153 Page:A001000
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SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY014647
6
9
7

10

2
1

4
3

Reference:AVC00-001001 Page:A001001

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Cylinder Head Cover, (#504574-507709)
Index Code Part Number Description Qty Serial No.
6271-11-8300 Head Cover Assembly 1 504574-507709
1 6271-11-8120 Cover 1 504574-507709
2 6271-11-8170 Elbow 1 504574-507709
3 6207-11-8140 Plate 1 504574-@
4 04418-02550 Screw 4 504574-@
5 6204-11-8810 O-ring 1 504574-@
6 6136-11-8120 Nut 3 504574-@
7 6136-11-8130 Washer 3 504574-@
8 6136-11-8142 Packing 3 504574-@
9 6271-11-9140 Plate 1 504574-@
10 04418-02550 Screw 8 504574-@

Reference:AVC00-001001 Page:A001001
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SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY013301
5

8
6

3
2

Reference:AVC00-001001A Page:A001002

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Cylinder Head Cover, (#507710-)
Index Code Part Number Description Qty Serial No.
6271-11-8200 Head Cover Assembly 1 507710-
1 6271-11-8210 Cover, Head 1 507710-
2 6207-11-8140 Plate 1 504574-
3 04418-02550 Screw 4 504574-
4 6204-11-8810 O-ring 1 504574-
5 6136-11-8120 Nut 3 504574-
6 6136-11-8130 Washer 3 504574-
7 6136-11-8142 Packing 3 504574-
8 6271-11-9140 Plate 1 504574-
9 04418-02550 Screw 8 504574-

Reference:AVC00-001001A Page:A001002
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SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Breather
FIG. Name FIG. No.
Breather, (#504574-507709) ABR00-001001
Breather, (#507710-) ABR00-001001A

Reference:BR90A132 Page:A002000
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SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY024681
5
3
5
1

Reference:ABR00-001001 Page:A002001

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Breather, (#504574-507709)
Index Code Part Number Description Qty Serial No.
1 6271-11-8930 Tube 1 504574-@
2 01435-00814 Bolt 1 504574-@
3 07286-01606 Hose 1 504574-507709
4 07286-01656 Hose 1 504574-@
5 07285-00180 Clip 3 504574-507709

Reference:ABR00-001001 Page:A002001
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SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY036217
1
5

6
3

7
2

Reference:ABR00-001001A Page:A002002

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Breather, (#507710-)
Index Code Part Number Description Qty Serial No.
1 6150-21-6750 Breather 1 507710-
2 6209-11-8210 O-ring 1 507710-
3 6271-11-8970 Hose 1 507710-
4 07285-00220 Clip 1 507710-
5 07285-00200 Clip, Hose 1 507710-
6 6271-11-8930 Tube 1 504574-
7 01435-00814 Bolt 1 504574-
8 07286-01656 Hose 1 504574-
9 07285-00180 Clip 1 507710-

Reference:ABR00-001001A Page:A002002
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SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Air Intake Manifold
FIG. Name FIG. No.
Air Intake Manifold AIM00-001001

Reference:IM 9118 Page:A003000


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SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY029833

Reference:AIM00-001001 Page:A003001

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Air Intake Manifold (#504574-)
Index Code Part Number Description Qty Serial No.
1 6271-11-4130 Manifold 1 504574-
2 01435-01075 Bolt 6 504574-
3 01435-01065 Bolt 2 504574-

Reference:AIM00-001001 Page:A003001
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SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Air Intake Connector
FIG. Name FIG. No.
Air Intake Connector AIC00-001001

Reference:IC90A142 Page:A004000
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SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY022246

Reference:AIC00-001001 Page:A004001

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Air Intake Connector (#504574-)
Index Code Part Number Description Qty Serial No.
1 6271-11-4441 Connector, Air 1 530533-
A1 6271-11-4440 Connector, Air 1 504574-530534
2 6204-11-4850 Gasket 1 504574-

Reference:AIC00-001001 Page:A004001
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SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Air Intake Connector Mounting
FIG. Name FIG. No.
Air Intake Connector Mounting AIC20-001001

Reference:IC90A143 Page:A005000
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SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY022247

Reference:AIC20-001001 Page:A005001

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Air Intake Connector Mounting (#504574-)
Index Code Part Number Description Qty Serial No.
1 01435-01070 Bolt 4 504574-

Reference:AIC20-001001 Page:A005001
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SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Air Intake Heater
FIG. Name FIG. No.
Air Intake Heater AAH00-001001

Reference:AH 9185 Page:A006000


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SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY022336

Reference:AAH00-001001 Page:A006001

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Air Intake Heater (#504574-)
Index Code Part Number Description Qty Serial No.
1 600-815-9140 Heater 1 509855-
600-815-2341 Heater 1 504574-509854
2 6204-11-4850 Gasket 1 504574-

Reference:AAH00-001001 Page:A006001
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SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Air Transfer Connection
FIG. Name FIG. No.
Air Transfer Connection AIT00-001001

Reference:IT90A187 Page:A007000
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SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY010513

3
1

Reference:AIT00-001001 Page:A007001

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Air Transfer Connection (#504574-)
Index Code Part Number Description Qty Serial No.
1 22P-01-11140 Connector 1 504574-
2 6271-11-4930 Clamp 1 504574-
3 6271-11-4920 O-ring 1 504574-

Reference:AIT00-001001 Page:A007001
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SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Air Cleaner Cap
FIG. Name FIG. No.
Air Cleaner Cap B9999-503001

Reference:X16-0053910 Page:A008000
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SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY010561

Reference:B9999-503001 Page:A008001

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Air Cleaner Cap (#504574-)
Index Code Part Number Description Qty Serial No.
1 600-181-9960 Screen 1 504574-

Reference:B9999-503001 Page:A008001
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SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Exhaust Manifold Mounting
FIG. Name FIG. No.
Exhaust Manifold Mounting ATB30-002001

Reference:TB91382 Page:A009000
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SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
00058529

Reference:ATB30-002001 Page:A009001

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Exhaust Manifold Mounting (#504574-)
Index Code Part Number Description Qty Serial No.
1 6205-11-5811 Gasket 1 504574-
2 01435-01045 Bolt 8 504574-

Reference:ATB30-002001 Page:A009001
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SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Exhaust Manifold
FIG. Name FIG. No.
Exhaust Manifold ATB00-002001

Reference:TB91474 Page:A010000
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SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
00058528

Reference:ATB00-002001 Page:A010001

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Exhaust Manifold (#504574-)
Index Code Part Number Description Qty Serial No.
1 6271-11-5140 Manifold 1 504574-
2 07042-20108 Plug 2 504574-

Reference:ATB00-002001 Page:A010001
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SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Turbocharger
FIG. Name FIG. No.
Turbocharger APP20-001001

Reference:PP90A151 Page:A011000
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SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY024952

Reference:APP20-001001 Page:A011001

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Turbocharger (#504574-)
Index Code Part Number Description Qty Serial No.
1 6271-81-8500 Turbocharger Assembly 1 504574-
2 6205-11-5580 Gasket 1 504574-
3 01124-60825 Stud 4 504574-
4 6201-11-5850 Nut 4 504574-

Reference:APP20-001001 Page:A011001
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SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Turbocharger Oil Piping
FIG. Name FIG. No.
Turbocharger Oil Piping ATP00-002001

Reference:TP97428 Page:A012000
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SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY024953

8 11

9
12

13
15
3
2 14
4
1
4
5

16
10
17

Reference:ATP00-002001 Page:A012001

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Turbocharger Oil Piping (#504574-)
Index Code Part Number Description Qty Serial No.
1 6271-51-8540 Tube 1 504574-
2 6271-51-8240 Nipple 1 504574-
3 6215-81-9720 O-ring 1 504574-
4 07005-01412 Seal, Washer 2 504574-
5 07206-31014 Bolt, Joint 1 504574-
6 07003-01015 Gasket 2 504574-
7 6205-51-8251 Joint 1 504574-
8 6162-73-5940 Spacer 1 504574-
9 6205-51-8560 Clip 1 504574-
10 6205-51-8530 Tube 1 504574-
11 6205-51-7611 Gasket 1 504574-
12 01435-00616 Bolt 2 504574-
13 20D-62-17620 Collar 1 504574-
14 01435-00840 Bolt 1 504574-
15 600-051-5160 Clip 1 504574-
16 6204-21-6820 Gasket 1 504574-
17 01435-00814 Bolt 2 504574-

Reference:ATP00-002001 Page:A012001
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SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Exhaust Muffler
FIG. Name FIG. No.
Exhaust Muffler A1610-001001

Reference:X16-0053870 Page:A013000
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SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY024886
2
3

1 9

Reference:A1610-001001 Page:A013001

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Exhaust Muffler (#504574-)
Index Code Part Number Description Qty Serial No.
1 6271-11-5240 Muffler 1 504574-
2 6204-11-5990 U-bolt 2 504574-
3 01435-00820 Bolt 4 504574-
4 01584-00806 Nut 2 504574-
5 6271-11-5430 Bracket 1 504574-
6 01435-01025 Bolt 4 504574-
7 6271-11-9150 Plate 1 504574-
8 154-61-16570 Washer 2 504574-
9 01435-00814 Bolt 2 504574-

Reference:A1610-001001 Page:A013001
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SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Exhaust Muffler Piping
FIG. Name FIG. No.
Exhaust Muffler Piping A1670-001001

Reference:X16-0053880 Page:A014000
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SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY010477

7 5

4
2
1

Reference:A1670-001001 Page:A014001

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Exhaust Muffler Piping (#504574-)
Index Code Part Number Description Qty Serial No.
1 6205-11-5691 Connector 1 504574-
2 6271-11-5850 Gasket 1 504574-
3 6201-11-5850 Nut 4 504574-
4 01124-60825 Stud 4 504574-
5 6206-11-5911 Clamp 1 504574-
6 01435-01235 Bolt 2 504574-
7 6208-11-5850 Plate 1 504574-

Reference:A1670-001001 Page:A014001
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SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Engine Lifting
FIG. Name FIG. No.
Engine Lifting ALA00-001001

Reference:LA90A144 Page:A015000
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SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY010514
2
1

Reference:ALA00-001001 Page:A015001

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Engine Lifting (#504574-)
Index Code Part Number Description Qty Serial No.
1 6208-11-1910 Hanger, Front 1 504574-
2 01435-01020 Bolt 2 504574-
3 6271-11-1960 Hanger, Rear 1 504574-

Reference:ALA00-001001 Page:A015001
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SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Engine Controller Related Parts
FIG. Name FIG. No.
Engine Controller Related Parts A4710-001001

Reference:X16-0027630 Page:A016000
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SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY021060

Reference:A4710-001001 Page:A016001

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Engine Controller Related Parts (#504574-)
Index Code Part Number Description Qty Serial No.
1 6271-81-9910 Bracket 1 504574-
2 01010-61425 Bolt 1 504574-
3 154-61-16570 Washer 1 504574-
4 01435-00850 Bolt 1 504574-

Reference:A4710-001001 Page:A016001
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SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
ENGINE CYLINDER BLOCK AND ITS RELATED PARTS
Unit Name Unit No.
Rocker Arm RL 9781
Front Cover GG90A011
Front Gear BB 9259
Flywheel Housing FH90A138
Flywheel FW90A141
Flywheel Mounting FW90085
Engine Oil Pan OP90A149
Engine Oil Level Gauge LG90A147
Cylinder Block BB 9258
Cylinder Block Plug OB 9472
Vibration Damper DA 9255
Engine Oil Filler OB90A148

Reference: Page:B000000
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SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Rocker Arm
FIG. Name FIG. No.
Rocker Arm ARL00-001001

Reference:RL 9781 Page:B001000


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SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY010530

5 12

11 8

8
10
11 4
6
8
7
1
11 12 6
7
9
6
7
2
6
7

13

Reference:ARL00-001001 Page:B001001

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Rocker Arm (#504574-)
Index Code Part Number Description Qty Serial No.
1 6204-41-5110 Bracket 1 504574-
2 6204-41-5120 Bracket 3 504574-
6205-43-5500 Shaft Assembly 1 504574-
3 C1 Shaft 1 504574-
4 6221-41-5540 Plug 2 504574-
5 6205-43-5310 Bolt 1 504574-
6 6205-43-5410 Arm, Rocker 8 504574-
7 6221-41-5410 Screw, Adjust 8 504574-
8 6221-41-5420 Nut 8 504574-
9 6202-43-5320 Spring 3 504574-
10 6204-41-5620 Clip 2 504574-
11 01435-00865 Bolt 5 504574-
12 6204-41-5710 Bolt 3 504574-
13 6204-41-3110 Rod 8 504574-

Reference:ARL00-001001 Page:B001001
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SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Front Cover
FIG. Name FIG. No.
Front Cover AGG00-001001

Reference:GG90A011 Page:B002000
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SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY026131
6

4
4

3
5

Reference:AGG00-001001 Page:B002001

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Front Cover (#504574-)
Index Code Part Number Description Qty Serial No.
1 6271-21-3111 Cover 1 543416-
A2 6271-21-3110 Cover 1 504574-543415
2 6204-21-3530 Seal, Front 1 509477-
A2 6204-21-3510 Seal, Front 1 504574-509476
3 01435-00855 Bolt 6 504574-
4 01435-00860 Bolt 6 504574-
5 01435-00870 Bolt 2 504574-
6 01584-00806 Nut 2 504574-

Reference:AGG00-001001 Page:B002001
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SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Front Gear
FIG. Name FIG. No.
Front Gear ABB10-001001

Reference:BB 9259 Page:B003000


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SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY010489

4
3
2

5
6

Reference:ABB10-001001 Page:B003001

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Front Gear (#504574-)
Index Code Part Number Description Qty Serial No.
6271-31-6300 Gear Assembly 1 504574-
1 C1 Gear, Idler 1 504574-
2 6204-31-6341 Bushing 1 504574-
3 6204-31-6331 Shaft 1 504574-
4 04025-00512 Pin, Spring 1 504574-
5 6204-31-6350 Washer 1 504574-
6 01435-01270 Bolt 1 504574-
7 6271-21-3210 Plate 1 504574-
8 6206-21-3840 Gasket 1 504574-
9 01435-00816 Bolt 2 504574-

Reference:ABB10-001001 Page:B003001
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SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Flywheel Housing
FIG. Name FIG. No.
Flywheel Housing AFH00-001001

Reference:FH90A138 Page:B004000
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SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY029834

6
5
4

Reference:AFH00-001001 Page:B004001

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Flywheel Housing (#504574-)
Index Code Part Number Description Qty Serial No.
1 6204-21-4230 Housing, Flywheel 1 504574-
2 01435-01030 Bolt 11 504574-
3 07042-00415 Plug, Taper 1 504574-
4 6208-21-1330 Seal, Rear 1 561481-
A2 6208-21-1310 Seal, Rear 1 518291-561480
A2 6141-21-1332 Seal, Rear 1 504574-518290
5 6204-21-5180 Plug 1 504574-
6 07005-02216 Seal, Washer 1 504574-

Reference:AFH00-001001 Page:B004001
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SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Flywheel
FIG. Name FIG. No.
Flywheel AFW00-001001

Reference:FW90A141 Page:B005000
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SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY010505

Reference:AFW00-001001 Page:B005001

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Flywheel (#504574-)
Index Code Part Number Description Qty Serial No.
6204-31-4272 Flywheel Assembly 1 504574-
1 C1 Flywheel 1 504574-
2 6204-31-4193 Gear, Ring 1 504574-

Reference:AFW00-001001 Page:B005001
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Flywheel Mounting
FIG. Name FIG. No.
Flywheel Mounting AFW10-001001

Reference:FW90085 Page:B006000
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY010507

1
2

Reference:AFW10-001001 Page:B006001

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Flywheel Mounting (#504574-)
Index Code Part Number Description Qty Serial No.
1 6130-32-1361 Washer 6 504574-
2 01050-61430 Bolt 6 504574-

Reference:AFW10-001001 Page:B006001
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Engine Oil Pan
FIG. Name FIG. No.
Engine Oil Pan AOP10-001001

Reference:OP90A149 Page:B007000
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY029835

4
6

3 5

8
7

Reference:AOP10-001001 Page:B007001

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Engine Oil Pan (#504574-)
Index Code Part Number Description Qty Serial No.
1 6205-21-5152 Pan, Oil 1 504574-
2 01435-00814 Bolt 24 504574-
3 6205-51-6120 Tube 1 504574-
4 6204-51-6122 O-ring 1 504574-
5 01435-00816 Bolt 2 504574-
6 154-61-16570 Washer 1 504574-
7 6204-21-5180 Plug 1 504574-
8 07005-02216 Seal, Washer 1 504574-

Reference:AOP10-001001 Page:B007001
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Engine Oil Level Gauge
FIG. Name FIG. No.
Engine Oil Level Gauge ALG00-001001

Reference:LG90A147 Page:B008000
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY022248

7
8

1
6

10
11

5
4

12

Reference:ALG00-001001 Page:B008001

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Engine Oil Level Gauge (#504574-)
Index Code Part Number Description Qty Serial No.
1 6271-21-5360 Gauge, Oil Level 1 504574-
2 6271-21-5440 Guide, Oil Level 1 504574-
3 6204-21-5520 Guide 1 504574-
4 6150-21-5920 Collar 1 504574-
5 6150-21-5930 Nut 1 504574-
6 6271-21-5840 Block 1 504574-
7 6150-81-6940 Spacer 1 504574-
8 6271-21-5830 Bracket 1 504574-
9 01435-01075 Bolt 2 504574-
10 01640-21016 Washer 1 504574-
11 04434-51210 Clip 1 504574-
12 07046-21210 Plug 1 504574-

Reference:ALG00-001001 Page:B008001
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Cylinder Block
FIG. Name FIG. No.
Cylinder Block, Crankshaft ABB00-001001
Cylinder Block, Tappet ABB00-001002
Cylinder Block, Cylinder Block ABB00-001003

Reference:BB 9258 Page:B009000


www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY010535

6
5
6

3 5

Reference:ABB00-001001 Page:B009001

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Cylinder Block, Crankshaft (#504574-)
Index Code Part Number Description Qty Serial No.
6271-31-1110 Crankshaft Assembly 1 504574-
1 C1 Crankshaft 1 504574-
2 6271-31-1220 Gear, Crankshaft 1 504574-
3 6206-31-1530 Key 1 504574-
6204-21-8100 Main Metal Assembly 5 504574-
4 C1 Metal, Upper 1 504574-
5 C1 Metal, Lower 1 504574-
6204-21-8600 Thrust Metal Assembly 1 504574-
6 6204-21-8510 Metal 3 504574-

Reference:ABB00-001001 Page:B009001
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY010487
1

Reference:ABB00-001002 Page:B009002

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Cylinder Block, Tappet (#504574-)
Index Code Part Number Description Qty Serial No.
1 6204-41-2110 Tappet 8 504574-

Reference:ABB00-001002 Page:B009002
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY010488
16

11

10 10
17
9
6

20
24

5
10
22 17
15 23
19
3
19

2
4

8
10

18

19

7 12
13
14
20
13
18 21 14

Reference:ABB00-001003 Page:B009003

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Cylinder Block, Cylinder Block (#504574-)
Index Code Part Number Description Qty Serial No.
6271-21-1000 Cylinder Block Assembly 1 504574-
1 C1 Block, Cylinder 1 554093-
C1 Block, Cylinder 1 514474-554092
C1 Block, Cylinder 1 504574-514473
2 C3 6204-29-1210 Cap, Main Metal, No.1, 2, 3, 4 4 504574-
3 C3 6204-29-1220 Cap, Main Metal, No.5 1 504574-
4 6204-21-1610 Bolt 10 504574-
5 6141-21-1530 Ring 2 504574-
6 6206-21-1430 Bushing 1 504574-
7 6206-21-1420 Bushing 2 504574-
8 07046-42216 Plug 1 504574-
9 07046-42516 Plug 5 504574-
10 07046-43016 Plug 7 504574-
11 07046-44016 Plug 1 504574-
12 07042-70312 Plug 1 504574-
13 6215-81-9710 O-ring 2 504673-
6215-81-9710 O-ring 5 504574-504672
14 6215-81-9510 Plug 2 504673-
6215-81-9510 Plug 5 504574-504672
15 6204-51-1711 Bushing 1 504574-
16 6140-21-1130 Bushing 2 504574-
17 04020-00820 Pin, Dowel 2 504574-
18 04020-01228 Pin, Dowel 2 504574-
19 04025-00408 Pin, Spring 6 504574-
20 07046-41810 Plug 4 504574-
21 07043-70108 Plug, Taper 1 504574-
22 6136-52-1620 Pin 1 504574-
23 6204-51-1620 Shaft 1 504574-
24 6207-21-1190 Pin 4 504574-

Reference:ABB00-001003 Page:B009003
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Cylinder Block Plug
FIG. Name FIG. No.
Cylinder Block Plug AOB10-001001

Reference:OB 9472 Page:B010000


www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
00058516

Reference:AOB10-001001 Page:B010001

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Cylinder Block Plug (#504574-)
Index Code Part Number Description Qty Serial No.
1 07046-23016 Plug 1 504574-

Reference:AOB10-001001 Page:B010001
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Vibration Damper
FIG. Name FIG. No.
Vibration Damper ADA00-001001

Reference:DA 9255 Page:B011000


www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
00058494

Reference:ADA00-001001 Page:B011001

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Vibration Damper (#504574-)
Index Code Part Number Description Qty Serial No.
1 6271-31-1460 Pulley, Non Hardening 1 504574-
2 6136-31-1431 Plate 1 504574-
3 01050-31845 Bolt 1 504574-
4 6271-31-1990 Plate 1 504574-
5 01435-00812 Bolt 4 504574-

Reference:ADA00-001001 Page:B011001
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Engine Oil Filler
FIG. Name FIG. No.
Engine Oil Filler AOB00-001001

Reference:OB90A148 Page:B012000
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY018146
6

10
9 8

2 7

1
4
3

Reference:AOB00-001001 Page:B012001

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Engine Oil Filler (#504574-)
Index Code Part Number Description Qty Serial No.
1 6204-11-8610 Cap 1 504574-
2 22P-01-11421 Hose 1 510866-
A2 22P-01-11420 Hose 1 504574-510865
3 07281-00609 Clamp 2 504574-
4 6271-11-8610 Pipe 1 504574-
5 01435-01080 Bolt 2 504574-
6 22P-01-11430 Bracket 1 504574-
7 01643-51232 Washer 2 521670-
8 23S-56-21150 Clip 1 504574-
9 01435-00825 Bolt 1 504574-
10 01640-21016 Washer 1 504574-

Reference:AOB00-001001 Page:B012001
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
ENGINE LUBRICATION SYSTEM
Unit Name Unit No.
Engine Oil Pump LP 9068
Engine Oil Filter LF90A146
Engine Oil Cooler LC90A145

Reference: Page:C000000
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Engine Oil Pump
FIG. Name FIG. No.
Engine Oil Pump ALP00-001001

Reference:LP 9068 Page:C001000


www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY010520

10

5
13
12 11
9

7
8

Reference:ALP00-001001 Page:C001001

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Engine Oil Pump (#504574-)
Index Code Part Number Description Qty Serial No.
6271-51-1200 Cover Assembly 1 504574-
1 C1 Cover 1 504574-
2 6271-51-1410 Gear 1 504574-
6207-51-1400 Shaft Assembly 1 504574-
3 C1 Gear 1 504574-
4 6204-51-1420 Shaft 1 504574-
5 6204-51-1310 Valve 1 504574-
6 6206-51-1320 Spring 1 504574-
7 6204-51-1330 Washer 1 504574-
8 6204-51-1340 Pin 1 504574-
9 6204-51-1910 Shim 1 504574-
10 6207-51-1610 Gear 1 504574-
11 01435-00816 Bolt 4 504574-
12 01435-00825 Bolt 1 504574-
13 6691-41-8230 Spacer 1 504574-

Reference:ALP00-001001 Page:C001001
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Engine Oil Filter
FIG. Name FIG. No.
Engine Oil Filter ALF00-001001

Reference:LF90A146 Page:C002000
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY010517
3

27
8
9
26

2
1

10
13
4

12
5

7 13 17
6 13
16
8
10 14 10
16

11 13
15

17

10
25

24
23
18
19
20

21

22

Reference:ALF00-001001 Page:C002001

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Engine Oil Filter (#504574-)
Index Code Part Number Description Qty Serial No.
1 6204-51-5730 Head 1 504574-
2 6201-51-5910 Nipple 1 504574-
3 600-211-2111 Cartridge 1 540394-
600-211-2110 Cartridge 1 504574-540393
4 6204-51-5421 Adapter 1 504574-
5 01435-00840 Bolt 4 504574-
6 07000-72070 O-ring 2 504574-
7 6271-51-5790 Spacer 1 504574-
8 01435-01040 Bolt 4 504574-
9 08193-21012 Clip 1 504574-
10 07000-73025 O-ring 4 504574-
11 6205-51-5910 Tube 1 504574-
12 6205-51-5920 Tube 1 504574-
13 01435-00825 Bolt 8 504574-
14 6205-51-5950 Bracket 1 504574-
15 01435-01055 Bolt 2 504574-
16 600-051-2180 Clip 2 504574-
17 01435-01016 Bolt 2 504574-
6205-51-5400 Adapter Assembly 1 504574-
18 C1 Adapter 1 504574-
19 6162-53-5450 Packing 1 504574-
20 600-211-1870 Spring 1 504574-
21 6162-53-5430 Packing 1 504574-
22 6162-53-5420 Cap 1 504574-
23 07043-70415 Plug 1 504574-
24 01435-00880 Bolt 4 504574-
25 07000-72070 O-ring 1 504574-
26 6204-51-8190 Plate 1 504574-
27 08034-20536 Band 1 504574-

Reference:ALF00-001001 Page:C002001
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Engine Oil Cooler
FIG. Name FIG. No.
Engine Oil Cooler ALC00-001001

Reference:LC90A145 Page:C003000
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY010515

4 6
6
8

Reference:ALC00-001001 Page:C003001

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Engine Oil Cooler (#504574-)
Index Code Part Number Description Qty Serial No.
1 6208-61-5400 Oil Cooler Assembly 1 504574-
6205-61-5420 O-ring 1 504574-
2 6208-61-5410 Joint 1 504574-
3 6208-61-5420 Gasket 1 504574-
4 6205-61-5261 Joint 1 504574-
5 6208-61-5210 Hose 1 504574-
6 07281-00259 Clamp 4 504574-
7 6205-61-5251 Joint 1 504574-
8 6208-61-5220 Hose 1 504574-

Reference:ALC00-001001 Page:C003001
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
ENGINE FUEL SYSTEM
Unit Name Unit No.
Fuel Prefilter X16-0027470
Fuel Filter Piping FF90A137
Fuel Supply Pump FP90763
Fuel Injection Piping FT90A140
Fuel Filter FF90A026
Fuel Filter FF90A303

Reference: Page:D000000
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Fuel Prefilter
FIG. Name FIG. No.
Fuel Prefilter B9999-501001

Reference:X16-0027470 Page:D001000
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY010549

4
8

6
7

Reference:B9999-501001 Page:D001001

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Fuel Prefilter (#504574-)
Index Code Part Number Description Qty Serial No.
6271-71-6200 Filter Assembly 1 504574-
1 6271-71-6110 Head Assembly 1 504574-
600-319-4200 Cartridge Assembly 1 504574-
600-319-4110 Cartridge Assembly 1 504574-
2 C1 Cartridge 1 504574-
3 600-311-3630 Seal 1 504574-
4 600-311-3640 Bowl 1 504574-
600-311-3660 Valve Assembly 1 504574-
5 600-311-3711 Valve 1 504574-
6 600-311-3670 Seal 1 504574-
600-311-4210 Plug Assembly 1 504574-
7 600-311-4220 Plug 1 504574-
8 600-311-3690 O-ring 1 504574-

Reference:B9999-501001 Page:D001001
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Fuel Filter Piping
FIG. Name FIG. No.
Fuel Filter Piping AFF20-001001

Reference:FF90A137 Page:D002000
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY021059
4 3
4 2

6
7

Reference:AFF20-001001 Page:D002001

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Fuel Filter Piping (#504574-)
Index Code Part Number Description Qty Serial No.
1 6271-71-1720 Hose 1 504574-
2 6206-71-5940 Joint 1 504574-
3 07206-31014 Bolt, Joint 1 504574-
4 07005-01412 Seal, Washer 2 504574-
5 11Y-09-11170 Clip 2 504574-
6 04434-51508 Clip 1 504574-
7 01435-00814 Bolt 1 504574-

Reference:AFF20-001001 Page:D002001
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Fuel Supply Pump
FIG. Name FIG. No.
Fuel Supply Pump AFP10-001001

Reference:FP90763 Page:D003000
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY029836
7

4 1
3
9

Reference:AFP10-001001 Page:D003001

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Fuel Supply Pump (#504574-)
Index Code Part Number Description Qty Serial No.
6271-79-1100 Pump Assembly 1 504574-
1 6271-71-1110 Pump 1 504574-
2 6271-71-3170 Gear 1 504574-
3 01582-01411 Nut 1 504574-
4 6130-32-1361 Washer 1 504574-
5 6271-71-3310 Holder 1 504574-
6 01164-50840 Stud 3 504574-
7 01584-00806 Nut 3 504574-
8 07000-12085 O-ring 1 504574-
9 6206-21-3930 Bolt 1 504574-

Reference:AFP10-001001 Page:D003001
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Fuel Injection Piping
FIG. Name FIG. No.
Fuel Injection Piping AFT00-001001

Reference:FT90A140 Page:D004000
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY021061

5
4

2
3

12
9

19

11
10
16
16
14
15

16

18 13
16
17 6
7
8

Reference:AFT00-001001 Page:D004001

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Fuel Injection Piping (#504574-)
Index Code Part Number Description Qty Serial No.
1 6271-71-7800 Hose Assembly 1 504574-
2 6271-71-9890 Hose 1 504574-
3 08034-20414 Band, Black 2 504574-
4 01435-01014 Bolt 1 504574-
5 6204-51-8920 Clip 1 504574-
6 6161-51-8990 Joint 1 504574-
7 6271-71-7211 Joint 1 504574-
8 6271-71-7990 Pin 1 504574-
9 6271-71-5520 Adapter 1 504574-
10 6131-12-5920 Spacer 1 504574-
11 01435-01045 Bolt 1 504574-
12 01435-01025 Bolt 1 504574-
13 6271-71-5510 Tube 1 504574-
14 6271-71-5530 Tube 1 504574-
15 6127-71-5710 Bolt, Joint 1 504574-
16 07005-01412 Seal, Washer 5 504574-
17 07206-30812 Bolt, Joint 1 504574-
18 07005-01212 Seal, Washer 2 504574-
19 6271-71-6971 Bracket 1 504574-

Reference:AFT00-001001 Page:D004001
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Fuel Filter
FIG. Name FIG. No.
Fuel Filter AFF10-001001

Reference:FF90A026 Page:D005000
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY022245

8 10
3
4 1

5 2

9 9

Reference:AFF10-001001 Page:D005001

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Fuel Filter (#504574-518288)
Index Code Part Number Description Qty Serial No.
6271-71-6500 Filter Assembly 1 504574-518288
1 6271-71-6510 Head 1 504574-518288
2 600-311-3530 Cartridge 1 504574-518288
3 600-311-6720 Plug 1 504574-518288
4 07005-00812 Seal, Washer 1 504574-518288
5 6271-71-6580 Bracket 1 504574-518288
6 01435-01025 Bolt 1 504574-518288
7 01436-01080 Bolt 1 504574-518288
8 01436-01065 Bolt 1 504574-518288
9 6152-11-9990 Spacer 2 504574-518288
10 01435-01025 Bolt 1 504574-518288

Reference:AFF10-001001 Page:D005001
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Fuel Filter
FIG. Name FIG. No.
Fuel Filter AFF10-002001

Reference:FF90A303 Page:D006000
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY022245

8 10
3
4 1

5 2

9 9

Reference:AFF10-002001 Page:D006001

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Fuel Filter (#518289-)
Index Code Part Number Description Qty Serial No.
6271-71-6700 Filter Assembly 1 518289-
1 6271-71-6710 Head 1 518289-
2 600-311-3870 Cartridge 1 518289-
3 600-311-6720 Plug 1 518289-
4 07005-00812 Seal, Washer 1 518289-
5 6271-71-6580 Bracket 1 518289-
6 01435-01025 Bolt 1 518289-
7 01436-01080 Bolt 1 518289-
8 01436-01065 Bolt 1 518289-
9 6152-11-9990 Spacer 2 518289-
10 01435-01025 Bolt 1 518289-

Reference:AFF10-002001 Page:D006001
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
ENGINE COOLING SYSTEM
Unit Name Unit No.
Cooling Fan Mounting FA90A135
Cooling Fan Drive Pulley FA90A134
Cooling Fan FN90A139
Cooling Fan Spacer SP90A152
Cooling Fan Belt WP90A154
Water Pump WP90A021
Water Pump Adapter X16-0053890
Water Outlet Connector WO 9101
Thermostat EC 9058

Reference: Page:E000000
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Cooling Fan Mounting
FIG. Name FIG. No.
Cooling Fan Mounting AFA20-001001

Reference:FA90A135 Page:E001000
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY010497

1 2

Reference:AFA20-001001 Page:E001001

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Cooling Fan Mounting (#504574-)
Index Code Part Number Description Qty Serial No.
1 01435-01020 Bolt 6 504574-
2 01435-00855 Bolt 6 504574-

Reference:AFA20-001001 Page:E001001
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Cooling Fan Drive Pulley
FIG. Name FIG. No.
Cooling Fan Drive Pulley AFA10-001001

Reference:FA90A134 Page:E002000
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY010496

Reference:AFA10-001001 Page:E002001

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Cooling Fan Drive Pulley (#504574-)
Index Code Part Number Description Qty Serial No.
1 6207-61-3261 Pulley 1 504574-

Reference:AFA10-001001 Page:E002001
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Cooling Fan
FIG. Name FIG. No.
Cooling Fan AFN00-001001

Reference:FN90A139 Page:E003000
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY010502

Reference:AFN00-001001 Page:E003001

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Cooling Fan (#504574-)
Index Code Part Number Description Qty Serial No.
1 600-625-7520 Fan, Cooling 1 504574-

Reference:AFN00-001001 Page:E003001
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Cooling Fan Spacer
FIG. Name FIG. No.
Cooling Fan Spacer ASP00-001001

Reference:SP90A152 Page:E004000
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
@@6C206@

Reference:ASP00-001001 Page:E004001

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Cooling Fan Spacer (#504574-)
Index Code Part Number Description Qty Serial No.
1 6206-61-3850 Spacer 1 504574-

Reference:ASP00-001001 Page:E004001
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Cooling Fan Belt
FIG. Name FIG. No.
Cooling Fan Belt AWP20-001001

Reference:WP90A154 Page:E005000
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY010537

Reference:AWP20-001001 Page:E005001

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Cooling Fan Belt (#504574-)
Index Code Part Number Description Qty Serial No.
1 6205-61-3500 V-belt, 1270mm 1 504574-

Reference:AWP20-001001 Page:E005001
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Water Pump
FIG. Name FIG. No.
Water Pump AWP00-001001

Reference:WP90A021 Page:E006000
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY010536

10

7
2
3

1
11
4
5

Reference:AWP00-001001 Page:E006001

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Water Pump (#504574-)
Index Code Part Number Description Qty Serial No.
6205-61-1204 Water Pump Assembly 1 561950-
A2 6205-61-1203 Water Pump Assembly 1 529166-561949
A2 6205-61-1202 Water Pump Assembly 1 504574-529165
1 C1 Body 1 561950-
C1 Body 1 504574-561949
2 6204-61-1630 Impeller 1 504574-
3 6271-61-1520 Seal 1 529166-
A2 6221-61-1520 Seal 1 504574-529165
4 6204-61-1650 Shaft 1 504574-
5 6205-61-1210 Boss 1 504574-
6 6206-61-1121 Cover 1 504574-
7 6204-61-1660 Gasket 1 504574-
8 01236-40816 Screw 5 504574-
9 6206-61-1731 Gasket 1 504574-
10 07000-03040 O-ring 1 504574-
11 01435-00855 Bolt 3 504574-

Reference:AWP00-001001 Page:E006001
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Water Pump Adapter
FIG. Name FIG. No.
Water Pump Adapter A5010-001001

Reference:X16-0053890 Page:E007000
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY010479

3
1

Reference:A5010-001001 Page:E007001

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Water Pump Adapter (#504574-)
Index Code Part Number Description Qty Serial No.
1 21W-977-1120 Nipple 1 504574-
2 20T-54-42510 Nipple 1 504574-
3 20M-977-8130 Elbow 1 504574-
4 6271-81-6990 Adapter 1 504574-

Reference:A5010-001001 Page:E007001
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Water Outlet Connector
FIG. Name FIG. No.
Water Outlet Connector AWO00-001001

Reference:WO 9101 Page:E008000


www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
@@6F372@
2

Reference:AWO00-001001 Page:E008001

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Water Outlet Connector (#504574-)
Index Code Part Number Description Qty Serial No.
1 6204-11-6421 Connector, Water 1 504574-
2 01435-00820 Bolt 2 504574-

Reference:AWO00-001001 Page:E008001
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Thermostat
FIG. Name FIG. No.
Thermostat AEC00-001001

Reference:EC 9058 Page:E009000


www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
00058495

Reference:AEC00-001001 Page:E009001

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Thermostat (#504574-)
Index Code Part Number Description Qty Serial No.
1 600-421-6240 Thermostat 1 504574-
2 6140-11-6331 Gasket 1 504574-

Reference:AEC00-001001 Page:E009001
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
ENGINE ELECTRICAL SYSTEM
Unit Name Unit No.
Alternator Mounting, 35Amp. EH90A133
Alternator, 35Amp. EE 9320
Starting Motor Mounting SM 9148
Starting Motor, 4.5KW ST 9442
Wiring Harness WR90A197
Starting Motor Relay X16-0053090

Reference: Page:F000000
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Alternator Mounting, 35Amp.
FIG. Name FIG. No.
Alternator Mounting AEH10-001001

Reference:EH90A133 Page:F001000
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY020960
7
8 9

1 4
5

12 13
14

11

10

17 18

16

17
15
16

Reference:AEH10-001001 Page:F001001

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Alternator Mounting (#504574-)
Index Code Part Number Description Qty Serial No.
1 6271-81-6420 Bracket 1 504574-
2 01435-01035 Bolt 1 504574-
3 195-01-14540 Collar 1 504574-
4 01436-00805 Bolt 1 504574-
5 6271-81-6440 Block 1 504574-
6 6161-61-6950 Spacer 1 504574-
7 6208-81-6590 Bolt 1 504574-
8 6204-11-3830 Washer 1 504574-
9 01580-11008 Nut 1 504574-
10 6271-81-6340 Bracket 1 504574-
11 6204-81-6321 Bracket 1 504574-
12 01435-00816 Bolt 2 504574-
13 01018-31095 Bolt 1 504574-
14 01640-21016 Washer 1 504574-
15 6271-81-6380 Plate 1 504574-
16 01435-00875 Bolt 2 504574-
17 6204-81-6740 Spacer 2 504574-
18 01435-00850 Bolt 1 534737-

Reference:AEH10-001001 Page:F001001
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Alternator, 35Amp.
FIG. Name FIG. No.
Alternator AEE00-001001

Reference:EE 9320 Page:F002000


www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY010491
21
20
19

5
3
7 6

30
13 18
17 14
28

22
23 10
27
29
17 25 12
15

16

11

24 9

26 8

Reference:AEE00-001001 Page:F002001

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Alternator (#504574-)
Index Code Part Number Description Qty Serial No.
600-861-3610 Alternator Assembly, 35Amp. 1 504574-
ND121400-3950 Frame Assembly 1 504574-
1 ND021100-5060 Stator Assembly 1 504574-
2 ND021401-4900 Frame 1 504574-
3 ND021411-0570 Plate 1 504574-
4 ND021045-0530 Collar 1 504574-
5 ND949006-5590 Screw 4 504574-
6 ND949100-5010 Bearing, Ball 1 504574-
7 ND949043-2000 Bolt 4 504574-
8 ND121501-7640 Frame, Rear 1 504574-
9 ND021580-4670 Rectifier Assembly 1 504574-
10 ND021620-2720 Holder Assembly, Brush 1 504574-
11 ND126000-3730 Regulator Assembly 1 504574-
12 ND021551-2360 Cover 1 504574-
13 ND021605-1970 Bushing 4 504574-
14 ND021605-2950 Bushing 1 504574-
15 ND949006-5460 Screw 3 504574-
16 ND949007-5110 Screw 2 504574-
17 ND949056-2481 Nut 7 504574-
18 ND949056-1001 Nut 1 504574-
19 ND021200-8610 Rotor Assembly 1 504574-
20 ND949100-2790 Bearing, Ball 1 504574-
21 ND021506-0070 Cover 1 504574-
22 ND121041-0270 Pulley 1 504574-
23 ND949056-2520 Nut 1 504574-
24 ND021626-0190 Seal 1 504574-
25 ND021626-0250 Seal 1 504574-
26 ND021542-0160 Washer 1 504574-
27 ND949006-6401 Screw 1 504574-
28 ND949007-6280 Screw 4 504574-
Reference:AEE00-001001 Page:F002001
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Alternator (#504574-)
Index Code Part Number Description Qty Serial No.
29 ND021602-5230 Plate 1 504574-
30 ND92150-06061 Nut 1 504574-

Reference:AEE00-001001 Page:F002001
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Starting Motor Mounting
FIG. Name FIG. No.
Starting Motor Mounting ASM00-001001

Reference:SM 9148 Page:F003000


www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY010531

1
2

Reference:ASM00-001001 Page:F003001

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Starting Motor Mounting (#504574-)
Index Code Part Number Description Qty Serial No.
1 01435-01235 Bolt 2 504574-
2 6202-21-4151 Gasket 1 504574-

Reference:ASM00-001001 Page:F003001
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Starting Motor, 4.5KW
FIG. Name FIG. No.
Starting Motor, (#504574-561735) AST00-001001
Starting Motor, (#561736-) AST00-001001A

Reference:ST 9442 Page:F004000


www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY032259
21

12

10

11
1

6 19

28
4
5
3
22
23
2 24

20 18
27 16 30
17 29
26 15

25
32
9
8
14
13

31

Reference:AST00-001001 Page:F004001

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Starting Motor, (#504574-561735)
Index Code Part Number Description Qty Serial No.
600-813-4462 Starting Motor, 4.5Kw 1 561736-@
A1 600-813-4461 Starting Motor Assembly, 4.5Kw 1 504574-561735
1 ND028100-2881 Yoke Assembly 1 504574-@
2 ND028062-0130 Cover 1 504574-@
3 ND028099-3570 Starting Motor Kit 2 504574-@
4 ND028200-1590 Armature Assembly 1 504574-@
5 ND949100-1930 Bearing, Ball 1 504574-561735
6 ND949100-1750 Bearing, Ball 1 504574-561735
7 ND028300-5091 Clutch Assembly 1 504574-@
ND028099-3310 Starting Motor Kit 1 504574-@
ND028300-6750 Clutch Assembly 1 504574-@
ND949100-4500 Bearing, Ball 1 504574-@
ND949100-1920 Bearing, Ball 1 504574-561735
ND949170-4040 Spring 1 504574-@
ND028381-0071 Shaft 1 504574-@
8 ND228401-1440 Housing Assembly 1 504574-561735
9 ND153400-2192 Magnet Assembly 1 504574-@
ND128099-5830 Starting Motor Kit 1 504574-@
ND028099-3160 Starting Motor Kit 1 504574-@
ND053660-0443 Plunger 1 504574-@
ND053404-0240 Gasket 1 504574-@
ND053505-0290 Cover 1 504574-@
ND053480-7560 Bolt Assembly 1 504574-@
10 ND028510-5390 Holder Assembly, Brush 1 504574-@
11 ND949173-0571 Spring 4 504574-@
12 ND028501-7880 Frame 1 504574-@
13 ND128961-0010 Ball 1 504574-@
14 ND949170-4070 Spring 1 504574-@
15 ND028371-1500 Pinion 1 504574-@
16 ND028306-0070 Roller 5 504574-@
Reference:AST00-001001 Page:F004001
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Starting Motor, (#504574-561735)
Index Code Part Number Description Qty Serial No.
17 ND028063-0030 Retainer 1 504574-@
18 ND028327-0171 Retainer 1 504574-@
19 ND949042-3741 Bolt 2 504574-561735
20 ND90801-10050 O-ring 3 504574-@
21 ND949007-6530 Screw 2 504574-@
22 ND949020-0600 Washer 1 504574-@
23 ND90170-10061 Nut 1 504574-@
24 ND90258-10001 Washer 1 504574-@
25 ND949017-1290 Washer 1 504574-@
26 ND949006-6910 Screw 3 504574-@
27 ND90200-06241 Washer 3 504574-@
28 ND028062-5790 Cover 1 504574-@
29 ND90260-00501 Washer 1 504574-@
30 ND949007-6850 Screw 1 504574-@
31 ND028901-5190 Seal 1 504574-@
32 ND949056-4480 Nut 1 504574-@

Reference:AST00-001001 Page:F004001
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY032259
21

12

10

11
1

6 19

28
4
5
3
22
23
2 24

20 18
27 16 30
17 29
26 15

25
32
9
8
14
13

31

Reference:AST00-001001A Page:F004002

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Starting Motor, (#561736-)
Index Code Part Number Description Qty Serial No.
600-813-4462 Starting Motor, 4.5Kw 1 561736-
1 ND028100-2881 Yoke Assembly 1 504574-
2 ND028062-0130 Cover 1 504574-
3 ND028099-3570 Starting Motor Kit 2 504574-
4 ND028200-1590 Armature Assembly 1 504574-
5 ND128955-1150 Bearing, Ball 1 561736-
6 ND128955-1050 Bearing, Ball 1 561736-
7 ND028300-5091 Clutch Assembly 1 504574-
ND028099-3310 Starting Motor Kit 1 504574-
ND028300-6750 Clutch Assembly 1 504574-
ND949100-4500 Bearing, Ball 1 504574-
ND128955-1140 Bearing, Ball 1 561736-
ND949170-4040 Spring 1 504574-
ND028381-0071 Shaft 1 504574-
8 ND228401-1441 Housing Assembly 1 561736-
9 ND153400-2192 Magnet Assembly 1 504574-
ND128099-5830 Starting Motor Kit 1 504574-
ND028099-3160 Starting Motor Kit 1 504574-
ND053660-0443 Plunger 1 504574-
ND053404-0240 Gasket 1 504574-
ND053505-0290 Cover 1 504574-
ND053480-7560 Bolt Assembly 1 504574-
ND028065-0250 Bushing 1 504574-
10 ND028510-5390 Holder Assembly, Brush 1 504574-
11 ND949173-0571 Spring 4 504574-
12 ND028501-7880 Frame 1 504574-
13 ND128961-0010 Ball 1 504574-
14 ND949170-4070 Spring 1 504574-
15 ND028371-1500 Pinion 1 504574-
16 ND028306-0070 Roller 5 504574-
Reference:AST00-001001A Page:F004002
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Starting Motor, (#561736-)
Index Code Part Number Description Qty Serial No.
17 ND028063-0030 Retainer 1 504574-
18 ND028327-0171 Retainer 1 504574-
19 ND128950-0520 Bolt 2 561736-
20 ND90801-10050 O-ring 3 504574-
21 ND949007-6530 Screw 2 504574-
22 ND949020-0600 Washer 1 504574-
23 ND90170-10061 Nut 1 504574-
24 ND90258-10001 Washer 1 504574-
25 ND949017-1290 Washer 1 504574-
26 ND949006-6910 Screw 3 504574-
27 ND90200-06241 Washer 3 504574-
28 ND028062-5790 Cover 1 504574-
29 ND90260-00501 Washer 1 504574-
30 ND949007-6850 Screw 1 504574-
31 ND028901-5190 Seal 1 504574-
32 ND949056-4480 Nut 1 504574-

Reference:AST00-001001A Page:F004002
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Wiring Harness
FIG. Name FIG. No.
Wiring Harness AWR00-001001

Reference:WR90A197 Page:F005000
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY021064

27 30
28
22
21
25 33

26 29
32 31
23
8
7
6

2 20 24

10
2
9 11
1
12 18
17 5
3
16

14
13

15 19 4

Reference:AWR00-001001 Page:F005001

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Wiring Harness (#504574-)
Index Code Part Number Description Qty Serial No.
1 6271-81-8240 Wiring Harness 1 504574-
2 01435-00816 Bolt 3 504574-
3 600-051-1100 Clip 1 504574-
4 6141-64-2560 Spacer 1 504574-
5 01435-00825 Bolt 1 504574-
6 600-051-1100 Clip 1 504574-
7 6167-11-6640 Spacer 1 504574-
8 01435-00820 Bolt 1 504574-
9 600-051-1140 Clip 1 504574-
10 195-979-3510 Collar 1 504574-
11 01435-00835 Bolt 1 504574-
12 600-051-1180 Clip 1 504574-
13 6143-11-4290 Spacer 1 504574-
14 01435-00860 Bolt 1 504574-
15 6271-81-8980 Bracket 1 504574-
16 04434-53211 Clip 1 504574-
17 07095-20523 Cushion 1 504574-
18 01435-00820 Bolt 1 504574-
19 01584-00806 Nut 1 504574-
20 600-051-2180 Clip 1 504574-
21 22P-01-11170 Bracket 1 504574-
22 01435-01035 Bolt 1 504574-
23 6150-81-6920 Spacer 1 504574-
24 01435-01055 Bolt 1 504574-
25 600-051-2100 Clip 1 504574-
26 6143-11-4290 Spacer 1 509855-
6152-51-5520 Spacer 1 504574-509854
27 01435-01065 Bolt 1 504574-
28 600-051-1140 Clip 1 504574-
29 6130-12-4581 Spacer 1 504574-
Reference:AWR00-001001 Page:F005001
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Wiring Harness (#504574-)
Index Code Part Number Description Qty Serial No.
30 01435-00840 Bolt 1 504574-
31 600-051-2180 Clip 1 504574-
32 01435-01020 Bolt 1 504574-
33 01643-31032 Washer 1 504705-

Reference:AWR00-001001 Page:F005001
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Starting Motor Relay
FIG. Name FIG. No.
Starting Motor Relay B9999-502001

Reference:X16-0053090 Page:F006000
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
@@6F066@

Reference:B9999-502001 Page:F006001

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Starting Motor Relay (#504574-)
Index Code Part Number Description Qty Serial No.
1 600-815-8941 Relay 1 504574-

Reference:B9999-502001 Page:F006001
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
ENGINE ACCESSORIES AND OTHERS
Unit Name Unit No.
Air Compressor Bracket X16-0053900
Parts Performance PP41475
Parts Performance, For EU Safety Regulation PP90A272
Parts Performance PP90A430
Parts Performance, For EU Safety Regulation PP90A431
Engine Control Module PH90A204

Reference: Page:G000000
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Air Compressor Bracket
FIG. Name FIG. No.
Air Compressor Bracket A7010-001001

Reference:X16-0053900 Page:G001000
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY022244

1
2

Reference:A7010-001001 Page:G001001

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Air Compressor Bracket (#504574-)
Index Code Part Number Description Qty Serial No.
1 22P-979-1240 Bracket 1 504574-
2 01435-01030 Bolt 4 504574-

Reference:A7010-001001 Page:G001001
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Parts Performance
FIG. Name FIG. No.
Parts Performance, Piston APP10-001001
Parts Performance, Camshaft APP10-001002
Parts Performance, Injector APP10-001003
Parts Performance, Common Rail APP10-001004
Parts Performance, Cylinder Head APP10-001005

Reference:PP41475 Page:G002000
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY019836
4

3
2

3
1

8 7

11

10

Reference:APP10-001001 Page:G002001

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Parts Performance, Piston (#504574-533472)
Index Code Part Number Description Qty Serial No.
1 6271-31-2110 Piston 4 504574-533472
6271-39-2110 Piston, Oversize 0.25mm 4 504574-533472
6271-38-2110 Piston, Oversize 0.50mm 4 504574-533472
2 6207-31-2420 Pin, Piston 4 504574-533472
3 04065-03012 Ring, Snap 8 504574-533472
6271-31-2100 Piston Ring Assembly 4 504574-533472
4 C1 Ring, Top 1 504574-533472
5 C1 Ring, Second 1 504574-533472
6 C1 Ring, Oil 1 504574-533472
6271-39-2100 Piston Ring Assembly, Oversize 0.25mm 4 504574-533472
C1 Ring, Top 1 504574-533472
C1 Ring, Second 1 504574-533472
C1 Ring, Oil 1 504574-533472
6271-38-2100 Piston Ring Assembly, Oversize 0.50mm 4 504574-533472
C1 Ring, Top 1 504574-533472
C1 Ring, Second 1 504574-533472
C1 Ring, Oil 1 504574-533472
6207-31-3800 Connecting Rod Assembly 4 504574-533472
7 C1 Rod 1 504574-533472
8 C1 Bushing 1 504574-533472
9 6204-31-3310 Bolt 2 504574-533472
6207-31-3900 Bearing Assembly, Connecting Rod 4 504574-533472
10 C1 Bearing, Lower 1 504574-533472
11 C1 Bearing, Upper 1 504574-533472
6207-39-3900 Bearing Assembly, Connecting Rod, Undersize, 0.25mm 4 504574-533472
C1 Bearing, Lower 1 504574-533472
C1 Bearing, Upper 1 504574-533472
6207-38-3900 Bearing Assembly, Connecting Rod, Undersize, 0.50mm 4 504574-533472
C1 Bearing, Lower 1 504574-533472
C1 Bearing, Upper 1 504574-533472
Reference:APP10-001001 Page:G002001
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Parts Performance, Piston (#504574-533472)
Index Code Part Number Description Qty Serial No.
11 6207-37-3900 Bearing Assembly, Connecting Rod, Undersize, 0.75mm 4 504574-533472
C1 Bearing, Lower 1 504574-533472
C1 Bearing, Upper 1 504574-533472
6207-36-3900 Bearing Assembly, Connecting Rod, Undersize, 1.00mm 4 504574-533472
C1 Bearing, Lower 1 504574-533472
C1 Bearing, Upper 1 504574-533472

Reference:APP10-001001 Page:G002001
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY010525

5 1
2

7
6
8

Reference:APP10-001002 Page:G002002

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Parts Performance, Camshaft (#504574-533472)
Index Code Part Number Description Qty Serial No.
6271-41-1500 Camshaft Assembly 1 504574-533472
1 C1 Camshaft 1 504574-533472
2 6271-41-1220 Gear 1 504574-533472
3 04010-00516 Key 1 504574-533472
4 6204-41-1131 Plate 1 504574-533472
5 01435-00820 Bolt 2 504574-533472
6 6271-41-1190 Ring 1 504574-533472
7 04025-00312 Pin, Spring 2 504574-533472
8 01435-01025 Bolt 1 504574-533472

Reference:APP10-001002 Page:G002002
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY010526

5
2
4
6
3

Reference:APP10-001003 Page:G002003

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Parts Performance, Injector (#504574-533472)
Index Code Part Number Description Qty Serial No.
1 6271-11-3100 Injector Assembly 4 504574-533472
6271-11-3180 O-ring 1 504574-533472
2 6271-11-3850 Seal 4 504574-533472
3 6271-11-3811 Holder 4 504574-533472
4 6271-11-3830 Washer 4 504574-533472
5 01435-00840 Bolt 4 504574-533472
6 6271-11-3880 Gasket 4 504574-533472

Reference:APP10-001003 Page:G002003
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY010527

10
11

10
11

7
1 6

2 5

4
9
11 8
9 8

2 10
8

11
10
3

Reference:APP10-001004 Page:G002004

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Parts Performance, Common Rail (#504574-533472)
Index Code Part Number Description Qty Serial No.
1 6271-71-1210 Common Rail 1 504574-533472
2 01435-01035 Bolt 2 504574-533472
3 6271-71-5210 Tube 1 504574-533472
4 6271-71-5110 Tube 1 504574-533472
5 6271-71-5120 Tube 1 504574-533472
6 6271-71-5130 Tube 1 504574-533472
7 6271-71-5140 Tube 1 504574-533472
8 6215-71-5292 Clamp 4 504574-533472
9 01435-00625 Bolt 2 504574-533472
10 6271-71-5890 Cover 10 504574-533472
11 6217-71-5770 Clip 10 504574-533472

Reference:APP10-001004 Page:G002004
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY010528

16
16
13
13
12
12
18
14
14
15
15
2
2 6

7
8
8
5

8
1

6
8
4
3

11

10 17

Reference:APP10-001005 Page:G002005

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Parts Performance, Cylinder Head (#504574-533472)
Index Code Part Number Description Qty Serial No.
6271-11-1100 Cylinder Head Assembly, Without Valve 1 504574-533472
1 C1 Head, Cylinder 1 504574-533472
2 6204-19-1310 Guide, Valve 8 504574-533472
3 6207-11-1431 Seat, Intake Valve 4 504574-533472
4 6208-11-1440 Seat, Exhaust Valve 4 504574-533472
5 07046-41008 Plug 4 504574-533472
6 07046-41810 Plug 9 504574-533472
7 07046-42216 Plug 3 504574-533472
8 07046-42516 Plug 11 504574-533472
9 02720-40104 Plug 1 504574-533472
10 6207-41-4130 Valve 4 504574-533472
11 6209-41-4210 Valve 4 504574-533472
12 6204-41-4510 Seat 8 504574-533472
13 6204-41-4520 Cotter 16 504574-533472
14 6204-41-4410 Spring 8 504574-533472
15 6204-41-4541 Seal 8 504574-533472
16 6204-41-4550 Cap 8 504574-533472
17 6204-11-1840 Gasket 1 504574-533472
18 6204-13-1610 Bolt 17 504574-533472

Reference:APP10-001005 Page:G002005
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Parts Performance, For EU Safety Regulation
FIG. Name FIG. No.
Parts Performance, Piston APP10-002001
Parts Performance, Camshaft APP10-002002
Parts Performance, Injector APP10-002003
Parts Performance, Common Rail APP10-002004
Parts Performance, Cylinder Head APP10-002005

Reference:PP90A272 Page:G003000
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY019836
4

3
2

3
1

8 7

11

10

Reference:APP10-002001 Page:G003001

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Parts Performance, Piston (#504574-533472)
Index Code Part Number Description Qty Serial No.
1 6271-31-2110 Piston 4 504574-533472
6271-39-2110 Piston, Oversize 0.25mm 4 504574-533472
6271-38-2110 Piston, Oversize 0.50mm 4 504574-533472
2 6207-31-2420 Pin, Piston 4 504574-533472
3 04065-03012 Ring, Snap 8 504574-533472
6271-31-2100 Piston Ring Assembly 4 504574-533472
4 C1 Ring, Top 1 504574-533472
5 C1 Ring, Second 1 504574-533472
6 C1 Ring, Oil 1 504574-533472
6271-39-2100 Piston Ring Assembly, Oversize 0.25mm 4 504574-533472
C1 Ring, Top 1 504574-533472
C1 Ring, Second 1 504574-533472
C1 Ring, Oil 1 504574-533472
6271-38-2100 Piston Ring Assembly, Oversize 0.50mm 4 504574-533472
C1 Ring, Top 1 504574-533472
C1 Ring, Second 1 504574-533472
C1 Ring, Oil 1 504574-533472
6207-31-3800 Connecting Rod Assembly 4 504574-533472
7 C1 Rod 1 504574-533472
8 C1 Bushing 1 504574-533472
9 6204-31-3310 Bolt 2 504574-533472
6207-31-3900 Bearing Assembly, Connecting Rod 4 504574-533472
10 C1 Bearing, Lower 1 504574-533472
11 C1 Bearing, Upper 1 504574-533472
6207-39-3900 Bearing Assembly, Connecting Rod, Undersize, 0.25mm 4 504574-533472
C1 Bearing, Lower 1 504574-533472
C1 Bearing, Upper 1 504574-533472
6207-38-3900 Bearing Assembly, Connecting Rod, Undersize, 0.50mm 4 504574-533472
C1 Bearing, Lower 1 504574-533472
C1 Bearing, Upper 1 504574-533472
Reference:APP10-002001 Page:G003001
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Parts Performance, Piston (#504574-533472)
Index Code Part Number Description Qty Serial No.
11 6207-37-3900 Bearing Assembly, Connecting Rod, Undersize, 0.75mm 4 504574-533472
C1 Bearing, Lower 1 504574-533472
C1 Bearing, Upper 1 504574-533472
6207-36-3900 Bearing Assembly, Connecting Rod, Undersize, 1.00mm 4 504574-533472
C1 Bearing, Lower 1 504574-533472
C1 Bearing, Upper 1 504574-533472

Reference:APP10-002001 Page:G003001
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY010525

5 1
2

7
6
8

Reference:APP10-002002 Page:G003002

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Parts Performance, Camshaft (#509855-533472)
Index Code Part Number Description Qty Serial No.
6271-41-1500 Camshaft Assembly 1 509855-533472
1 C1 Camshaft 1 509855-533472
2 6271-41-1220 Gear 1 509855-533472
3 04010-00516 Key 1 509855-533472
4 6204-41-1131 Plate 1 509855-533472
5 01435-00820 Bolt 2 509855-533472
6 6271-41-1190 Ring 1 509855-533472
7 04025-00312 Pin, Spring 2 509855-533472
8 01435-01025 Bolt 1 509855-533472

Reference:APP10-002002 Page:G003002
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY010526

5
2
4
6
3

Reference:APP10-002003 Page:G003003

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Parts Performance, Injector (#509855-533472)
Index Code Part Number Description Qty Serial No.
1 6271-11-3100 Injector Assembly 4 509855-533472
6271-11-3180 O-ring 1 509855-533472
2 6271-11-3850 Seal 4 509855-533472
3 6271-11-3811 Holder 4 509855-533472
4 6271-11-3830 Washer 4 509855-533472
5 01435-00840 Bolt 4 509855-533472
6 6271-11-3880 Gasket 4 509855-533472

Reference:APP10-002003 Page:G003003
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY008818
10 10
11
11

12

10
11

7
1 6

2 5

4
9
11 8
9 8

2 10
8

11
10
3

Reference:APP10-002004 Page:G003004

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Parts Performance, Common Rail (#509855-533472)
Index Code Part Number Description Qty Serial No.
1 6271-71-1210 Common Rail 1 509855-533472
2 01435-01035 Bolt 2 509855-533472
3 6271-71-5210 Tube 1 509855-533472
4 6271-71-5110 Tube 1 509855-533472
5 6271-71-5120 Tube 1 509855-533472
6 6271-71-5130 Tube 1 509855-533472
7 6271-71-5140 Tube 1 509855-533472
8 6215-71-5292 Clamp 4 509855-533472
9 01435-00625 Bolt 2 509855-533472
10 6271-71-5890 Cover 10 509855-533472
11 6217-71-5770 Clip 10 509855-533472
12 6271-81-2980 Plate, Caution 1 509855-533472

Reference:APP10-002004 Page:G003004
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY010528

16
16
13
13
12
12
18
14
14
15
15
2
2 6

7
8
8
5

8
1

6
8
4
3

11

10 17

Reference:APP10-002005 Page:G003005

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Parts Performance, Cylinder Head (#509855-533472)
Index Code Part Number Description Qty Serial No.
6271-11-1100 Cylinder Head Assembly, Without Valve 1 509855-533472
1 C1 Head, Cylinder 1 509855-533472
2 6204-19-1310 Guide, Valve 8 509855-533472
3 6207-11-1431 Seat, Intake Valve 4 509855-533472
4 6208-11-1440 Seat, Exhaust Valve 4 509855-533472
5 07046-41008 Plug 4 509855-533472
6 07046-41810 Plug 9 509855-533472
7 07046-42216 Plug 3 509855-533472
8 07046-42516 Plug 11 509855-533472
9 02720-40104 Plug 1 509855-533472
10 6207-41-4130 Valve 4 509855-533472
11 6209-41-4210 Valve 4 509855-533472
12 6204-41-4510 Seat 8 509855-533472
13 6204-41-4520 Cotter 16 509855-533472
14 6204-41-4410 Spring 8 509855-533472
15 6204-41-4541 Seal 8 509855-533472
16 6204-41-4550 Cap 8 509855-533472
17 6204-11-1840 Gasket 1 509855-533472
18 6204-13-1610 Bolt 17 509855-533472

Reference:APP10-002005 Page:G003005
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Parts Performance
FIG. Name FIG. No.
Parts Performance, Piston APP10-003001
Parts Performance, Camshaft APP10-003002
Parts Performance, Injector APP10-003003
Parts Performance, Common Rail APP10-003004
Parts Performance, Cylinder Head APP10-003005

Reference:PP90A430 Page:G004000
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY019836
4

3
2

3
1

8 7

11

10

Reference:APP10-003001 Page:G004001

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Parts Performance, Piston (#533473-)
Index Code Part Number Description Qty Serial No.
1 6271-31-2110 Piston 4 533473-
6271-39-2110 Piston, Oversize 0.25mm 4 533473-
6271-38-2110 Piston, Oversize 0.50mm 4 533473-
2 6207-31-2420 Pin, Piston 4 533473-
3 04065-03012 Ring, Snap 8 533473-
6271-31-2300 Piston Ring Assembly 4 555267-
A2 6271-31-2100 Piston Ring Assembly 4 533473-555266
4 C1 Ring, Top 1 555267-
C1 Ring, Top 1 533473-555266
5 C1 Ring, Second 1 555267-
C1 Ring, Second 1 533473-555266
6 C1 Ring, Oil 1 555267-
C1 Ring, Oil 1 533473-555266
6271-39-2300 Piston Ring Assembly, Oversize 0.25mm 4 555267-
A2 6271-39-2100 Piston Ring Assembly, Oversize 0.25mm 4 533473-555266
C1 Ring, Top 1 555267-
C1 Ring, Top 1 533473-555266
C1 Ring, Second 1 555267-
C1 Ring, Second 1 533473-555266
C1 Ring, Oil 1 555267-
C1 Ring, Oil 1 533473-555266
6271-38-2300 Piston Ring Assembly, Oversize 0.50mm 4 555267-
A2 6271-38-2100 Piston Ring Assembly, Oversize 0.50mm 4 533473-555266
C1 Ring, Top 1 555267-
C1 Ring, Top 1 533473-555266
C1 Ring, Second 1 555267-
C1 Ring, Second 1 533473-555266
C1 Ring, Oil 1 555267-
C1 Ring, Oil 1 533473-555266
6207-31-3800 Connecting Rod Assembly 4 533473-
Reference:APP10-003001 Page:G004001
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Parts Performance, Piston (#533473-)
Index Code Part Number Description Qty Serial No.
7 C1 Rod 1 533473-
8 C1 Bushing 1 533473-
9 6204-31-3310 Bolt 2 533473-
6207-31-3900 Bearing Assembly, Connecting Rod 4 533473-
10 C1 Bearing, Lower 1 533473-
11 C1 Bearing, Upper 1 533473-
6207-39-3900 Bearing Assembly, Connecting Rod, Undersize, 0.25mm 4 533473-
C1 Bearing, Lower 1 533473-
C1 Bearing, Upper 1 533473-
6207-38-3900 Bearing Assembly, Connecting Rod, Undersize, 0.50mm 4 533473-
C1 Bearing, Lower 1 533473-
C1 Bearing, Upper 1 533473-
6207-37-3900 Bearing Assembly, Connecting Rod, Undersize, 0.75mm 4 533473-
C1 Bearing, Lower 1 533473-
C1 Bearing, Upper 1 533473-
6207-36-3900 Bearing Assembly, Connecting Rod, Undersize, 1.00mm 4 533473-
C1 Bearing, Lower 1 533473-
C1 Bearing, Upper 1 533473-

Reference:APP10-003001 Page:G004001
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY010525

5 1
2

7
6
8

Reference:APP10-003002 Page:G004002

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Parts Performance, Camshaft (#533473-)
Index Code Part Number Description Qty Serial No.
6271-41-1500 Camshaft Assembly 1 533473-
1 C1 Camshaft 1 533473-
2 6271-41-1220 Gear 1 533473-
3 04010-00516 Key 1 533473-
4 6204-41-1131 Plate 1 533473-
5 01435-00820 Bolt 2 533473-
6 6271-41-1190 Ring 1 533473-
7 04025-00312 Pin, Spring 2 533473-
8 01435-01025 Bolt 1 533473-

Reference:APP10-003002 Page:G004002
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY010526

5
2
4
6
3

Reference:APP10-003003 Page:G004003

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Parts Performance, Injector (#533473-)
Index Code Part Number Description Qty Serial No.
1 6271-11-3100 Injector Assembly 4 533473-
6271-11-3180 O-ring 1 533473-
2 6271-11-3850 Seal 4 533473-
3 6271-11-3811 Holder 4 533473-
4 6271-11-3830 Washer 4 533473-
5 01435-00840 Bolt 4 533473-
6 6271-11-3880 Gasket 4 533473-

Reference:APP10-003003 Page:G004003
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY010527

10
11

10
11

7
1 6

2 5

4
9
11 8
9 8

2 10
8

11
10
3

Reference:APP10-003004 Page:G004004

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Parts Performance, Common Rail (#533473-)
Index Code Part Number Description Qty Serial No.
1 6271-71-1210 Common Rail 1 533473-
2 01435-01035 Bolt 2 533473-
3 6271-71-5210 Tube 1 533473-
4 6271-71-5110 Tube 1 533473-
5 6271-71-5120 Tube 1 533473-
6 6271-71-5130 Tube 1 533473-
7 6271-71-5140 Tube 1 533473-
8 6215-71-5292 Clamp 4 533473-
9 01435-00625 Bolt 2 533473-
10 6271-71-5890 Cover 10 533473-
11 6754-71-5750 Clip 10 539101-
A2 6217-71-5770 Clip 10 533473-539100

Reference:APP10-003004 Page:G004004
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY010528

16
16
13
13
12
12
18
14
14
15
15
2
2 6

7
8
8
5

8
1

6
8
4
3

11

10 17

Reference:APP10-003005 Page:G004005

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Parts Performance, Cylinder Head (#533473-)
Index Code Part Number Description Qty Serial No.
6271-11-1100 Cylinder Head Assembly, Without Valve 1 533473-
1 C1 Head, Cylinder 1 533473-
2 6204-19-1310 Guide, Valve 8 533473-
3 6207-11-1431 Seat, Intake Valve 4 533473-
4 6208-11-1440 Seat, Exhaust Valve 4 533473-
5 07046-41008 Plug 4 533473-
6 07046-41810 Plug 9 533473-
7 07046-42216 Plug 3 533473-
8 07046-42516 Plug 11 533473-
9 02720-40104 Plug 1 533473-
10 6207-41-4130 Valve 4 533473-
11 6209-41-4210 Valve 4 533473-
12 6204-41-4510 Seat 8 533473-
13 6204-41-4520 Cotter 16 533473-
14 6204-41-4410 Spring 8 533473-
15 6204-41-4541 Seal 8 533473-
16 6204-41-4550 Cap 8 533473-
17 6204-11-1840 Gasket 1 533473-
18 6204-13-1610 Bolt 17 533473-

Reference:APP10-003005 Page:G004005
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Parts Performance, For EU Safety Regulation
FIG. Name FIG. No.
Parts Performance, Piston APP10-004001
Parts Performance, Camshaft APP10-004002
Parts Performance, Injector APP10-004003
Parts Performance, Common Rail APP10-004004
Parts Performance, Cylinder Head APP10-004005

Reference:PP90A431 Page:G005000
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY019836
4

3
2

3
1

8 7

11

10

Reference:APP10-004001 Page:G005001

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Parts Performance, Piston (#533473-)
Index Code Part Number Description Qty Serial No.
1 6271-31-2110 Piston 4 533473-
6271-39-2110 Piston, Oversize 0.25mm 4 533473-
6271-38-2110 Piston, Oversize 0.50mm 4 533473-
2 6207-31-2420 Pin, Piston 4 533473-
3 04065-03012 Ring, Snap 8 533473-
6271-31-2300 Piston Ring Assembly 4 555267-
A2 6271-31-2100 Piston Ring Assembly 4 533473-555266
4 C1 Ring, Top 1 555267-
C1 Ring, Top 1 533473-555266
5 C1 Ring, Second 1 555267-
C1 Ring, Second 1 533473-555266
6 C1 Ring, Oil 1 555267-
C1 Ring, Oil 1 533473-555266
6271-39-2300 Piston Ring Assembly, Oversize 0.25mm 4 555267-
A2 6271-39-2100 Piston Ring Assembly, Oversize 0.25mm 4 533473-555266
C1 Ring, Top 1 555267-
C1 Ring, Top 1 533473-555266
C1 Ring, Second 1 555267-
C1 Ring, Second 1 533473-555266
C1 Ring, Oil 1 555267-
C1 Ring, Oil 1 533473-555266
6271-38-2300 Piston Ring Assembly, Oversize 0.50mm 4 555267-
A2 6271-38-2100 Piston Ring Assembly, Oversize 0.50mm 4 533473-555266
C1 Ring, Top 1 555267-
C1 Ring, Top 1 533473-555266
C1 Ring, Second 1 555267-
C1 Ring, Second 1 533473-555266
C1 Ring, Oil 1 555267-
C1 Ring, Oil 1 533473-555266
6207-31-3800 Connecting Rod Assembly 4 533473-
Reference:APP10-004001 Page:G005001
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Parts Performance, Piston (#533473-)
Index Code Part Number Description Qty Serial No.
7 C1 Rod 1 533473-
8 C1 Bushing 1 533473-
9 6204-31-3310 Bolt 2 533473-
6207-31-3900 Bearing Assembly, Connecting Rod 4 533473-
10 C1 Bearing, Lower 1 533473-
11 C1 Bearing, Upper 1 533473-
6207-39-3900 Bearing Assembly, Connecting Rod, Undersize, 0.25mm 4 533473-
C1 Bearing, Lower 1 533473-
C1 Bearing, Upper 1 533473-
6207-38-3900 Bearing Assembly, Connecting Rod, Undersize, 0.50mm 4 533473-
C1 Bearing, Lower 1 533473-
C1 Bearing, Upper 1 533473-
6207-37-3900 Bearing Assembly, Connecting Rod, Undersize, 0.75mm 4 533473-
C1 Bearing, Lower 1 533473-
C1 Bearing, Upper 1 533473-
6207-36-3900 Bearing Assembly, Connecting Rod, Undersize, 1.00mm 4 533473-
C1 Bearing, Lower 1 533473-
C1 Bearing, Upper 1 533473-

Reference:APP10-004001 Page:G005001
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY010525

5 1
2

7
6
8

Reference:APP10-004002 Page:G005002

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Parts Performance, Camshaft (#533473-)
Index Code Part Number Description Qty Serial No.
6271-41-1500 Camshaft Assembly 1 533473-
1 C1 Camshaft 1 533473-
2 6271-41-1220 Gear 1 533473-
3 04010-00516 Key 1 533473-
4 6204-41-1131 Plate 1 533473-
5 01435-00820 Bolt 2 533473-
6 6271-41-1190 Ring 1 533473-
7 04025-00312 Pin, Spring 2 533473-
8 01435-01025 Bolt 1 533473-

Reference:APP10-004002 Page:G005002
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY010526

5
2
4
6
3

Reference:APP10-004003 Page:G005003

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Parts Performance, Injector (#533473-)
Index Code Part Number Description Qty Serial No.
1 6271-11-3100 Injector Assembly 4 533473-
6271-11-3180 O-ring 1 533473-
2 6271-11-3850 Seal 4 533473-
3 6271-11-3811 Holder 4 533473-
4 6271-11-3830 Washer 4 533473-
5 01435-00840 Bolt 4 533473-
6 6271-11-3880 Gasket 4 533473-

Reference:APP10-004003 Page:G005003
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY008818
10 10
11
11

12

10
11

7
1 6

2 5

4
9
11 8
9 8

2 10
8

11
10
3

Reference:APP10-004004 Page:G005004

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Parts Performance, Common Rail (#533473-)
Index Code Part Number Description Qty Serial No.
1 6271-71-1210 Common Rail 1 533473-
2 01435-01035 Bolt 2 533473-
3 6271-71-5210 Tube 1 533473-
4 6271-71-5110 Tube 1 533473-
5 6271-71-5120 Tube 1 533473-
6 6271-71-5130 Tube 1 533473-
7 6271-71-5140 Tube 1 533473-
8 6215-71-5292 Clamp 4 533473-
9 01435-00625 Bolt 2 533473-
10 6271-71-5890 Cover 10 533473-
11 6754-71-5750 Clip 10 539101-
A2 6217-71-5770 Clip 10 533473-539100
12 6271-81-2981 Plate, Warning 1 561332-
A2 6271-81-2980 Plate, Caution 1 533473-561331

Reference:APP10-004004 Page:G005004
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY010528

16
16
13
13
12
12
18
14
14
15
15
2
2 6

7
8
8
5

8
1

6
8
4
3

11

10 17

Reference:APP10-004005 Page:G005005

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Parts Performance, Cylinder Head (#533473-)
Index Code Part Number Description Qty Serial No.
6271-11-1100 Cylinder Head Assembly, Without Valve 1 533473-
1 C1 Head, Cylinder 1 533473-
2 6204-19-1310 Guide, Valve 8 533473-
3 6207-11-1431 Seat, Intake Valve 4 533473-
4 6208-11-1440 Seat, Exhaust Valve 4 533473-
5 07046-41008 Plug 4 533473-
6 07046-41810 Plug 9 533473-
7 07046-42216 Plug 3 533473-
8 07046-42516 Plug 11 533473-
9 02720-40104 Plug 1 533473-
10 6207-41-4130 Valve 4 533473-
11 6209-41-4210 Valve 4 533473-
12 6204-41-4510 Seat 8 533473-
13 6204-41-4520 Cotter 16 533473-
14 6204-41-4410 Spring 8 533473-
15 6204-41-4541 Seal 8 533473-
16 6204-41-4550 Cap 8 533473-
17 6204-11-1840 Gasket 1 533473-
18 6204-13-1610 Bolt 17 533473-

Reference:APP10-004005 Page:G005005
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Engine Control Module
FIG. Name FIG. No.
Engine Control Module APH00-001001

Reference:PH90A204 Page:G006000
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY010523
15 10

14
3

13 4

5
6
8
7
16

11 12

Reference:APH00-001001 Page:G006001

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Engine Control Module (#504574-)
Index Code Part Number Description Qty Serial No.
1 600-475-1401 Controller Assembly 1 535185-
600-475-1400 Controller Assembly 1 504574-535184
2 6261-81-2600 Sensor, Ambient Air Pressure 1 504574-
3 01252-60516 Bolt 1 504574-
4 01640-20508 Washer 1 504574-
5 6271-81-9190 Bracket 1 504574-
6 6210-11-5820 Spacer 1 504574-
7 01435-01045 Bolt 1 504574-
8 01643-31032 Washer 1 504574-
9 6271-81-1910 Sensor, Boost Pressure And Temperature 1 504574-
6271-81-1930 O-ring 1 504574-
10 01252-60616 Bolt, Hexagon Socket Head 1 504574-
11 6271-81-9201 Sensor, Speed 1 510431-
A2 6271-81-9200 Sensor, Speed 1 504574-510430
C1 Sensor 1 504574-
6271-81-9220 O-ring 1 504574-
12 01435-00820 Bolt 1 504574-
13 6261-81-2902 Sensor, Revolution, Position 1 510431-
A2 6261-81-2901 Sensor Assembly, Position 1 504574-510430
C1 Sensor 1 504574-
6271-81-9220 O-ring 1 504574-
14 01435-00820 Bolt 1 504574-
15 6261-81-6901 Sensor, Water Temperature 1 504574-
6216-84-9740 Seal 1 504574-
16 6271-81-1940 Switch, Pressure, Oil Pressure 1 504574-
C1 Switch 1 504574-
6219-81-1990 O-ring 1 504574-

Reference:APH00-001001 Page:G006001
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
ENGINE MARKS AND PLATES
Unit Name Unit No.
Engine Name Plate AP90A285

Reference: Page:I000000
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Engine Name Plate
FIG. Name FIG. No.
Engine Name Plate AAP00-002001

Reference:AP90A285 Page:I001000
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY010485

1 2

Reference:AAP00-002001 Page:I001001

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Engine Name Plate (#536511-)
Index Code Part Number Description Qty Serial No.
1 600-023-2340 Plate, Name (Limited Supply) 1 536511-
2 04418-02550 Screw 4 536511-

Reference:AAP00-002001 Page:I001001
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
FIELD REPAIR SERVICE PARTS
Unit Name Unit No.
Repair Service Parts X16-0027500
Spare Parts X16-0060240
Spare Parts X16-0060241

Reference: Page:Y000000
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Repair Service Parts
FIG. Name FIG. No.
Repair Service Parts A8110-001001

Reference:X16-0027500 Page:Y001000
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Repair Service Parts (#504574-)
Index Code Part Number Description Qty Serial No.
1 6204-19-1310 Guide, Valve 8 504574-
2 6207-19-1431 Seat, Intake Valve, Oversize 0.25mm 4 504574-
6207-18-1431 Seat, Intake Valve, Oversize 0.50mm 4 504574-
3 6208-19-1440 Seat, Exhaust Valve, Oversize 0.25mm 4 504574-
6208-18-1440 Seat, Exhaust Valve, Oversize 0.50mm 4 504574-
4 6207-21-2111 Liner, Mark, A 4 504574-
6207-21-2121 Liner, Mark, B 4 504574-
6204-29-8100 Main Metal Assembly, Undersize, 0.25mm 5 504574-
5 C1 Metal, Upper 1 504574-
6 C1 Metal, Lower 1 504574-
6204-28-8100 Main Metal Assembly, Undersize, 0.50mm 5 504574-
C1 Metal, Upper 1 504574-
C1 Metal, Lower 1 504574-
6204-27-8100 Main Metal Assembly, Undersize, 0.75mm 5 504574-
C1 Metal, Upper 1 504574-
C1 Metal, Lower 1 504574-
6204-26-8100 Main Metal Assembly, Undersize, 1.00mm 5 504574-
C1 Metal, Upper 1 504574-
C1 Metal, Lower 1 504574-
6204-29-8600 Thrust Metal Assembly, Undersize, 0.25mm 1 504574-
7 C1 Metal 2 504574-
6204-28-8600 Thrust Metal Assembly, Undersize, 0.50mm 1 504574-
C1 Metal 2 504574-
6204-27-8600 Thrust Metal Assembly, Undersize, 0.75mm 1 504574-
C1 Metal 2 504574-
6204-26-8600 Thrust Metal Assembly, Undersize, 1.00mm 1 504574-
C1 Metal 2 504574-
6207-39-3900 Bearing Assembly, Connecting Rod, Undersize, 0.25mm 4 504574-
8 C1 Bearing, Lower 1 504574-
9 C1 Bearing, Upper 1 504574-
6207-38-3900 Bearing Assembly, Connecting Rod, Undersize, 0.50mm 4 504574-
C1 Bearing, Lower 1 504574-
C1 Bearing, Upper 1 504574-
6207-37-3900 Bearing Assembly, Connecting Rod, Undersize, 0.75mm 4 504574-
C1 Bearing, Lower 1 504574-
C1 Bearing, Upper 1 504574-
6207-36-3900 Bearing Assembly, Connecting Rod, Undersize, 1.00mm 4 504574-
C1 Bearing, Lower 1 504574-
C1 Bearing, Upper 1 504574-
6271-39-2300 Piston Ring Assembly, Oversize 0.25mm 4 555267-
A2 6271-39-2100 Piston Ring Assembly, Oversize 0.25mm 4 504574-555266
10 C1 Ring, Top 1 555267-
C1 Ring, Top 1 504574-555266
11 C1 Ring, Second 1 555267-
C1 Ring, Second 1 504574-555266
12 C1 Ring, Oil 1 555267-
C1 Ring, Oil 1 504574-555266
6271-38-2300 Piston Ring Assembly, Oversize 0.50mm 4 555267-
A2 6271-38-2100 Piston Ring Assembly, Oversize 0.50mm 4 504574-555266
C1 Ring, Top 1 555267-
C1 Ring, Top 1 504574-555266
C1 Ring, Second 1 555267-
C1 Ring, Second 1 504574-555266
C1 Ring, Oil 1 555267-
C1 Ring, Oil 1 504574-555266
13 6271-39-2110 Piston, Oversize 0.25mm 4 504574-
6271-38-2110 Piston, Oversize 0.50mm 4 504574-

Reference:A8110-001001 Page:Y001001
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Spare Parts
FIG. Name FIG. No.
Spare Parts B9999-504001

Reference:X16-0060240 Page:Y002000
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY010556
1 2 3

4 5 6

7 8

Reference:B9999-504001 Page:Y002001

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Spare Parts (#504574-518288)
Index Code Part Number Description Qty Serial No.
1 6204-11-8810 O-ring 1 504574-518288
2 6136-11-8142 Packing 3 504574-518288
3 600-211-2110 Cartridge, Oil Filter 1 504574-518288
4 600-319-3530 Cartridge, Fuel Filter 1 504574-518288
600-319-4110 Cartridge Assembly, Prefilter 1 504574-518288
5 C1 Cartridge 1 504574-518288
6 600-311-3630 Seal 1 504574-518288
7 6205-61-3500 V-belt, 1270mm 1 504574-518288
8 07005-02216 Seal, Washer 1 504574-518288

Reference:B9999-504001 Page:Y002001
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
Spare Parts
FIG. Name FIG. No.
Spare Parts, 2 in 1 B9999-505001

Reference:X16-0060241 Page:Y003000
www.komatsupartsbook.com
SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)
JY010556
1 2 3

4 5 6

7 8

Reference:B9999-505001 Page:Y003001

SAA4D95LE-5G S/N 504574-UP (For PC78US-8/PC78UU-8)


Spare Parts, 2 in 1 (#518289-)
Index Code Part Number Description Qty Serial No.
1 6204-11-8810 O-ring 1 518289-
2 6136-11-8142 Packing 3 518289-
3 600-211-2111 Cartridge, Oil Filter 1 540394-
A2 600-211-2110 Cartridge, Oil Filter 1 518289-540393
4 600-319-3870 Cartridge, Fuel Filter 1 518289-
600-319-4110 Cartridge Assembly, Prefilter 1 518289-
5 C1 Cartridge 1 518289-
6 600-311-3630 Seal 1 518289-
7 6205-61-3500 V-belt, 1270mm 1 518289-
8 07005-02216 Seal, Washer 1 518289-

Reference:B9999-505001 Page:Y003001

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