Air cooled Diesel engines

12.0-26.0 kW
Engines with 2 and 3 cylinders in model s
KD 330/2 - 25 LD 330/2, KD 425/2 - 25 LD 425/2,
KD 477/2 - 12 LD 477/2, kd 625/2 - 9 LD 625/2
and kd 626/3 - 11 ld 626/3 covering a power
r ange of 12.0 to 26.0 kW. These are the best
option in their market sector, offering
dur able performance, compactne ss and
low maintenance costs. Widely used for
applications such a s motor-cultivators,
sm a ll four-w heeled tr ac tor s, pump s
and compre ssor s.
AIR cooled
Diesel engines
12.0-26.0 kW

s ta n da r d e q u i p m e n t Acc e s s o r i e s o n d e m a n d
Electric starting with 12 V starter motor Different guards according to use
and alternator Range of alternative alternators and 24 V
Remote throttle Compression release
Oil pressure switch Flanges
Combined manifold and exhaust muffler Dry air filter
Engine feet External fuel filter
Fuel lift pump Clutches
Counter-clockwise rotation on power Hydraulic pump adapters
take-off side Range of fuel tanks of various sizes
Automatic extra fuel device Range of flywheels for various clutches
Use, maintenance and spare parts Mufflers and exhaust pipes
booklet Controls
Oil bath air filter Pulleys
Manual control accelerator Oil cooler (KD 625/2 - 9 LD 625/2; KD
Power take-off on flywheel (KD 625/2 - 9 330/2 - 25 LD 330/2; KD 425/2 - 25 LD
LD 625/2; KD 626/3 - 11 LD 626/3) 425/2; KD 626/3 - 11 LD 626/3)
Power take-off on crankshaft (KD 330/2 - Crank starter (KD 625/2 - 9 LD 625/2)
25 LD 330/2; KD 425/2 - 25 LD 425/2; KD Keyswitch panel
477/2 - 12 LD 477/2)
Fuel tank with filter
Guard for belt (KD 626/3 - 11 LD 626/3)
KD 330/2
25 ld 330/2
quick specifics

2
cylinder

16.3 12.0 @ 3600 rpm

hp kw

32.0 @ 2400 rpm

data
nm d i m e n s i o n s (m m)

(Power & torque N curve - 80/1269/CE E-ISO 1585)

438 485
209 229 275 optional 254
110
*33,5

307,5

339
485

*57
122
137

*12 15 N°4 holes 87,5 148

160 132 Ø 11 231 225
* gravity center of the engine

p e r fo r m a n c e c u r v e s ( I F N - I S O 3 0 4 6 a n d i s o 14 3 96 )

32.0
3.2
30.0 MB
3.0

2.8
28.0 kW HP
26.0 13.0
2.6 17.0
24.0 N 12.0 16.0
2.4
NB 15.0
11.0
NA 14.0
kgm Nm 10.0
13.0
9.0 12.0

8.0 11.0
10.0
7.0
9.0
6.0 8.0
7.0
5.0
6.0
g/HPh g/kWh 4.0
5.0

215 290
C
270
195
250
175 230
1200 1400 1600 1800 2000 2200 2400 2600 2800 3000 3200 3400 3600 3800
rpm
N - Power curve - 80/1269/CE E-ISO 1585 MB - Torque curve - (NB curve)
NB - Power curve - ISO 3046/1 -IFN C - Specific fuel consumption - (NB curve)
NA - Power curve - ISO 3046/1 - ICXN

Power ratings refer to engines equipe with air filter, standard muffler, after being run in and in ambient
conditions of 25°C and 1 bar. Power levels drop by 1% every 100m altitude and by 2% every 5°C above 25°C.
 KD 425/2
25 ld 425/2
quick specifics

2
cylinder

19.0 14.0 @ 3600 rpm

hp kw

data 42.0 @ 2200 rpm

d i m e n s i o n s (m m) nm

464 485 (Power & torque N curve - 80/1269/CE E-ISO 1585)

235 229 275 optional 254

209 110
*33,5
357,5
326
503,5

* gravity center of the engine

*57
137

122

*12 15 N° 4 holes 87.5 148

160 132 Ø 11 231 243

p e r fo r m a n c e c u r v e s ( I F N - I S O 3 0 4 6 a n d i s o 14 3 96 )

40.0
4.0
38.0
3.8 kW HP
36.0
3.6
MB
34.0
3.4 N 19.0
32.0 14.0
3.2 18.0
NB 13.0
kgm Nm 17.0
NA 12.0 16.0

11.0 15.0
14.0
10.0
13.0
9.0 12.0

8.0 11.0
10.0
7.0
9.0
g/HPh g/kWh
6.0 8.0
230 7.0
290 5.0

210 270

250 C
190
230
170
210
1200 1400 1600 1800 2000 2200 2400 2600 2800 3000 3200 3400 3600 3800
rpm
N - Power curve - 80/1269/CE E-ISO 1585 MB - Torque curve - (NB curve)
NB - Power curve - ISO 3046/1 -IFN C - Specific fuel consumption - (NB curve)
NA - Power curve - ISO 3046/1 - ICXN

Power ratings refer to engines equipe with air filter, standard muffler, after being run in and in ambient
conditions of 25°C and 1 bar. Power levels drop by 1% every 100m altitude and by 2% every 5°C above 25°C.
KD 477/2
12 ld 477/2
quick specifics

2
cylinder

22.8 16.8 @ 3600 rpm

hp kw

55.0 @ 2100 rpm

data
nm d i m e n s i o n s (m m)

(Power & torque N curve - 80/1269/CE e-ISO 1585)

577
483
274 303
122 192 188
51

380

329
565

305,5

*250
175
185

N° 4 holes
194 66 Ø 13 144 161
399 202
* gravity center of the engine

p e r fo r m a n c e c u r v e s ( I F N - I S O 3 0 4 6 a n d i s o 14 3 96 )

60.0
6.0

5.5 55.0

50.0
5.0 MB kW HP
4.5 45.0 17
23
N
4.0 40.0 16 22
NB 15 21

14 20
kgm Nm NA
19
13
18
12
17
11 16
10 15
g/HPh g/kWh
9 14
220 13
290 8
12
200 270 7
11
250 6
180 10
C
230
160 210
1200 1400 1600 1800 2000 2200 2400 2600 2800 3000 3200
rpm
N - Power curve - 80/1269/CE E-ISO 1585 MB - Torque curve - (NB curve)
NB - Power curve - ISO 3046/1 -IFN C - Specific fuel consumption - (NB curve)
NA - Power curve - ISO 3046/1 - ICXN

Power ratings refer to engines equipe with air filter, standard muffler, after being run in and in ambient
conditions of 25°C and 1 bar. Power levels drop by 1% every 100m altitude and by 2% every 5°C above 25°C.
 KD 625/2
9 ld 625/2
quick specifics

2
cylinder

25.5 18.8 @ 3000 rpm

hp kw

data 67.0 @ 2000 rpm

d i m e n s i o n s (m m) nm

(Power & torque NB curve - ISO 3046/1 -IFN)

557 633
217 340 434
236 122 275 285
182

397
421
367

47
599

161
229
164

162
107

47
176,6
178

178

162

198 160 130

195 230 52 152
425 21 94 207 166 54 181
542

p e r fo r m a n c e c u r v e s ( I F N - I S O 3 0 4 6 a n d i s o 14 3 96 ) SETTIN G @ 2800 RPM

70.0 Max power NB* (kW) Max torque (Nm)

7.0
65.0 kW HP
6.5 18.2 @ 2800 rpm 67.0 @ 2000 rpm
60.0 MB 21 28
6.0
55.0 20 27
5.5
26
5.0 50.0 NB 19
25
18 24
NA 17 23
kgm Nm
22
16
21
15 20

14 19
18
13
17
g/HPh g/kWh
12 16
220 15
290 11
14
200 270 10
C 13
250 9 12
180
230 8 11

160 210
1200 1400 1600 1800 2000 2200 2400 2600 2800 3000 3200
rpm
N - Power curve - 80/1269/CE E-ISO 1585 MB - Torque curve - (NB curve)
NB - Power curve - ISO 3046/1 -IFN C - Specific fuel consumption - (NB curve)
NA - Power curve - ISO 3046/1 - ICXN

Power ratings refer to engines equipe with air filter, standard muffler, after being run in and in ambient
conditions of 25°C and 1 bar. Power levels drop by 1% every 100m altitude and by 2% every 5°C above 25°C.
KD 626/3
11 ld 626/3
quick specifics

3
cylinder

35.4 26.0 @ 3000 rpm

hp kw

102.0 @ 2000 rpm

data
nm d i m e n s i o n s (m m)

(Power & torque NB curve - ISO 3046/1 -IFN)

484 495
233 237 770
14 113 108 150 122 122 203 65

R120 292

275
435
201,5

0° 30°
° 3

177
20
n.6M10x1,5

686
30 °
n.4M10x1,5
180

40°
30°

0°
30°

180
°3
30
25
214

° 30

30
° 30°
14
N.2Ø10

10 26
305 129,5 295 78,5 89 400
381 18
592

p e r fo r m a n c e c u r v e s ( I F N - I S O 3 0 4 6 a n d i s o 14 3 96 )

11.0 110

10.0 100

9.0 90

80 MB kW HP
8.0

7.0 70 28
36
NB 26
34
kgm Nm NA 24 32

22 30
28
20
26
18 24

16 22
g/HPh g/kWh 20
14
18
220
290 12 16
C
270 10 14
200
250 8
180
230
160 210
1000 1200 1400 1600 1800 2000 2200 2400 2600 2800 3000 3200

rpm
N - Power curve - 80/1269/CE E-ISO 1585 MB - Torque curve - (NB curve)
NB - Power curve - ISO 3046/1 -IFN C - Specific fuel consumption - (NB curve)
NA - Power curve - ISO 3046/1 - ICXN

Power ratings refer to engines equipe with air filter, standard muffler, after being run in and in ambient
conditions of 25°C and 1 bar. Power levels drop by 1% every 100m altitude and by 2% every 5°C above 25°C.
a p p l i cat i o n s s p e c s

KD 3 3 0 /2 - 2 5 L D 3 3 0 / 2 ; KD 4 2 5 / 2 - 2 5 L D 4 25 / 2

Minimum pulley diameters for belt drive

330/2: N (kW) N (kW)

D 1 (mm) ≥ 585 [49 + L 1 (mm)] D 2 (mm) ≥ 1030 [31 + L 2(mm)]
n (rpm) n (rpm)

A B 425/2: N (kW) N (kW)

D 1 (mm) ≥ 700 [45 + L 1 (mm)] D 2 (mm) ≥ 1540 [17 + L 2(mm)]
D1

D2 n (rpm) n (rpm)
L1 L2
F1 F2 Max intermittent axial load in both directions A - B = 300 kg

KD 4 7 7 /2 - 1 2 L D 4 7 7 / 2

Minimum pulley diameters for belt drive

N (kW) N (kW)
D 1 (mm) ≥ 220 [78 + L 1 (mm)] D 2 (mm) ≥ 196 [150 + L 2 (mm)]
n (rpm) n (rpm)

B A
D2

D1

Max intermittent axial load in both directions A - B = 350 kg

L2 L1

KD 6 2 5 /2 - 9 L D 6 2 5 / 2

Minimum pulley diameters for belt drive

N (kW) N (kW)
D 1 (mm) ≥ 136 [162 + L 1 (mm)] D 2 (mm) ≥ 204 [260 + L 2 (mm)]
A B n (rpm) n (rpm)
D1

D2

L1 L2 Max intermittent axial load in both directions A - B = 300 kg

KD 6 2 6 /3 - 1 1 L D 6 2 6 / 3

Minimum pulley diameters for belt drive

N (kW) N (kW)
A B D 1 (mm) ≥ 100 [185 + L 1 (mm)] D 2 (mm) ≥ 113 [169 + L 2 (mm)]
D1

D2

n (rpm) n (rpm)

L1 L2
Max intermittent axial load in both directions A - B = 300 kg
 AVAI L A B L E f l a n g e s *

Flange standard type Standard version Flange type crankshaft version

136 44
60 ° 16
Kd 330/2 - 25 ld 330/2

15 4

ENGINE AXIS

ENGINE AXIS
8 TA P E R 1: 5
M .8 N ° 6 H O L E S

Ø 135

Ø 105

Ø 105
18

M. 14 X 1,5
Ø 14,5

Ø 44,5

Ø 44,5
M.8 N° 4 HOLES
13

I =33
Ø 30
15 4
37
136 8

Flange standard type Standard version Flange type crankshaft version

136 44
60° 16
15 4
KD 425/2 - 25 LD 425/2

ENGINE AXIS

ENGINE AXIS
8 TA P E R 1: 5
M .8 N ° 6 H O L E S

Ø 135
Ø 105

Ø 105
18

M.8 N° 4 HOLES
M. 14 X 1,5
Ø 14,5

Ø44,5
Ø 44,5

13

I=33
Ø 30

15 4
37 136 8

Flange standard type Standard version

55 55 5 30
10
R 3
ENGINE AXIS

90 TAPER 1:5
KD 477/2 - 12 LD 477/2

95.26

- 0 ,0 5
53

0
Ø 125
53

50

40
110

+ 0,0 5

Ø 38
M 18X1,5

+ 0,1
Ø 20

20

53 53 139 M 10 N° 9 HOLES

90.5 90.5

Flange type B SAE 5, 6" 1/2

A
25
N°6 HOLES 29
M8XI .25 2 2 .5 °
45 6
°
KD 477/2 - 12 LD 477/2

+0,05
+0,376
Ø3 1 4+0,425

Ø2 1 5.9 +0,1
60°

Ø2 4 4

Ø200
Ø184

A
.37

7.5
33

flywheel axis
Ø 3

40 76.5
4

116.5
LES
HO
N°8 X 1.5
0
M1
 AVAI L A B L E f l a n g e s *

Flange standard type Standard version

7
324

47
Kd 625/2 - 9 LD 625/2

5
Ø3

11
25
R.
19
5

Ø60 -00.030

Ø305 0.127
47

324

Ø 32
Ø42

+0
Ø 160
Ø 190
Ø 291
Ø 300
n.8 holes M10x1.5 8,5

1st cylinder axis

Ø100 16
2

45°

n.8 holes M10x1.5 20

128 18.5

Flange type B SAE 4, 7"1/2

A 15° 71.4
n.8 holes 17.5 12
5/16" 18 UNC 2B 30
°

Ø3
81
30°
Kd 625/2 - 9 LD 625/2

+0,127
Ø241.3 +0,127
Ø52 -00.03

0
0

Ø403.3
Ø206
30°

Ø361.95

5 45° °
.2 45
22
Ø2

n.12 holes A 30.2

3/8" 16 UNC 2B 114.8

Flange standard type Standard version

SEEN FROM "A" SIDE

20
180
Kd 626/3 - 11 LD 626/3

°
177

12
40°

+0,040

+0,057
16
24

engine axis engine axis

Ø3 0
0

0
Ø150
Ø288
Ø140

Ø340

N.10 M.10x1,5 M10 x 1,5

66,7

Ø 365 A
180

30° 30°
N.8 M.10x1,5
45° Ø 105 34

7
5

400± 0,20

Flange type B SAE 4, 7"1/2

12 0,32
N12 HOLES
3/8-16 UNC - 2B
0,12
SEEN FROM "A" SIDE
N8 HOLES
S/16"-18 UNC-2B 0,20
Kd 626/3 - 11 LD 626/3

°
30

R381 42,8 50,8

Ø140 +00 ,040

87±1
Ø241,3 +00,0 46

5
Ø361,95
45°

R403 ENGINE AXIS

16

0,12 30,2±1
R.12
1ST CYLINDER AXIS
66,7

R105 M12X1,75-6H
24

222,25 N8 HOLES 0,12

N8 HOLES A 22 DEEP 22
M10 x 1,5 - 6H

18 0,16
211

407

*Other flanges available on request

TECHNI CA L S P E C I F I CAT I O N S

KD 330/2 KD 425/2
Model
25 LD 330/2 25 LD 425/2
4 stroke air cooled diesel engine • •
Direct injection • •
Mechanical fuel lift pump • •
Forced lubrication with oil pump • •
Full flow oil filtration • •
Torque regulator • •
Centrifugal speed governor • •
Crankcase in die-cast aluminum • •
Engine specs
Electric starting • •
Counter-clockwise rotation (from power take-off side) • •
Aluminum alloy independent heads • •
Indipendent cast iron cylinders • •
Automatic extra fuel starting device • •
Air cooled by fan • •
Power take-off on crankshaft • •
Power take off on Flywheel - -
Cylinder 2 2
Bore (mm) 80 85
Stroke (mm) 65 75
Technical features
Engine displ (cm3) 654 851
Injection system DI DI
Compression ratio 19:1 19:1
Emission compliance ECE R 24 ECE R 24
Rating (kW/HP)
12.0/16.3 14.0/19.0
N (80/1269/CEE)ISO 1585
11.2/15.2 13.0/17.7
Performance NB ISO 3046 IFN
10.3/14.0 12.0/16.3
NA ISO 3046 ICXN
Max torque (Nm@rpm) 32.0@2400 42.0@2200
Min idling speed (rpm) 1000 1000
EN 590 • •
No 1 Diesel (US) - ASTM D 975-09 B - Grade 1-D S 15 • •
No 1 Diesel (US) - ASTM D 975-09 B - Grade 1-D S 500 • •
No 2 Diesel (US) - ASTM D 975-09 B - Grade 2-D S 15 • •
No 2 Diesel (US) - ASTM D 975-09 B - Grade 2-D S 500 • •
Fuel compatibility ARCTIC EN 590/ASTM D 975-09 B • •
High Sulfur Fuel < 5000 ppm (< 0.5%) • •
High Sulfur Fuel > 5000 ppm ( > 0.5%) • •
Military NATO Fuels F34 - F35 - F44 - F63 - F64 - F65 * • •
Military US Fuels JP5 - JP8 (AVTUR) * • •
Civil Jet Fuels Jet A/ A1* • •
Fuel tank capacity (l) 4 4
Oil sump capacity (l) 1.5 1.7
Oil consumption (kg/h) 0.007 0.0085
Service features
Oil change interval std/synthetic (hr) 250 ** 250 **
Oil filter change interval std/synthetic (hr) 250 ** 250 **
Valve adjustement 500 500
H × L × W (fan excluded) (mm) 485×485×438 503.5×485×464
Dry weight (kg) 60 63
Daily service points - positions 1 side service 1 side service

Physical Ambient operating temps (°C) -5° +45° *** -5° +45° ***
characteristics Gradeability-all round (intermittent-30 min) (deg) 25° 25°
Gradeability-all round (peak value-1min) (deg) 35° 35°
Cap. of air required for correct combustion @3600 (l/min) 1050/875 1330/1110
Cap. of air required for correct cooling @3600 (l/min) 11700/9750 14200/11835
SAE 15 W-40 API CF4/SG ACEA SAE 15 W-40 API CF4/SG ACEA
Lubrication Oil type
B2/E2 B2/E2

* With restrictions ** According to operating conditions *** -32°C on demand

 KD 477/2 KD 625/2 KD 626/3
Model
12 LD 477/2 9 LD 625/2 11 LD 626/3
4 stroke air cooled diesel engine • • •
Direct injection • • •
Mechanical fuel lift pump • • •
Forced lubrication with oil pump • • •
Full flow oil filtration • • •
Torque regulator • • •
Centrifugal speed governor • • •
Crankcase in die-cast aluminum • • •
Engine specs
Electric starting • • •
Counter-clockwise rotation (from power take-off side) • • •
Aluminum alloy independent heads • • •
Indipendent cast iron cylinders • • •
Automatic extra fuel starting device • • •
Air cooled by fan • • •
Power take-off on crankshaft • - -
Power take off on Flywheel - • •
Cylinder 2 2 3
Bore (mm) 90 95 95
Stroke (mm) 75 88 88
Technical features
Engine displ (cm3) 954 1248 1870
Injection system DI DI DI
Compression ratio 19:1 17.5:1 17:1
Emission compliance ECE R 24 ECE R 24 EPA TIER4 ECE R 24
Rating (kW/HP)
16.8/22.8 - - -
N (80/1269/CEE)ISO 1585
15.7/21.4 18.8/25.5 16.5/22.4 26.0/35.4
Performance NB ISO 3046 IFN
14.5/19.7 16.9/23.0 15.0/20.4 23.4/31.8
NA ISO 3046 ICXN
Max torque (Nm@rpm) 55.0@2100 67.0@2000 52.5@3000 102.0@2000
Min idling speed (rpm) 1000 1000÷1100 800-900
EN 590 • • •
No 1 Diesel (US) - ASTM D 975-09 B - Grade 1-D S 15 • • •
No 1 Diesel (US) - ASTM D 975-09 B - Grade 1-D S 500 • • •
No 2 Diesel (US) - ASTM D 975-09 B - Grade 2-D S 15 • • •
No 2 Diesel (US) - ASTM D 975-09 B - Grade 2-D S 500 • • •
Fuel compatibility ARCTIC EN 590/ASTM D 975-09 B • • •
High Sulfur Fuel < 5000 ppm (< 0.5%) • • •
High Sulfur Fuel > 5000 ppm ( > 0.5%) • • •
Military NATO Fuels F34 - F35 - F44 - F63 - F64 - F65 * • • •
Military US Fuels JP5 - JP8 (AVTUR) * • • •
Civil Jet Fuels Jet A/ A1* • • •
Fuel tank capacity (l) 7 10 15
Oil sump capacity (l) 2.5 2.8 5
Oil consumption (kg/h) 0.011 0.013 0.017
Service features
Oil change interval std/synthetic (hr) 200 ** 250 ** 250 **
Oil filter change interval std/synthetic (hr) 200 ** 250 ** 250 **
Valve adjustement 300 250 500
H × L × W (fan excluded) (mm) 565×577×483 599×633×557 686×770×495
Dry weight (kg) 78 115 170
Daily service points - positions 1 side service 1 side service 1 side service

Physical Ambient operating temps (°C) -10° +45° *** -10° +45° *** -10° +45° ***
characteristics Gradeability-all round (intermittent-30 min) (deg) 25° 25° 25°
Gradeability-all round (peak value-1min) (deg) 35° 35° 35°
Cap. of air required for correct combustion @3600 (l/min) 1500/1220 1600 (@3000) 2400 (@3000)
Cap. of air required for correct cooling @3600 (l/min) 15800/13200 26300 (@3000) 38000 (@3000)
SAE 15 W-40 API CF4/SG SAE 10 W-40 API CF4/SG SAE 15 W-40 API CF4/SG
Lubrication Oil type
ACEA B2/E2 ACEA B2/E2 ACEA B2/E2

* With restrictions ** According to operating conditions ***-32°C on demand

 PRINTED IN ITALY ED0035584920 REV.05 03/16 ENG

Europe uk france
Lombardini Srl Lombardini U.K. Ltd Lombardini France S.a.s.
Via Cav. del lavoro 1, Rochester Barn - Eynsham Road 47 Allée de Riottier,
Lombardini s.r.l. is a part of Kohler Group. A. Lombardini n° 2 OX2 9NH 69400 Limas, FRANCE
Lombardini has manufacturing facilities in Italy, Slovakia 42124 Reggio Emilia, ITALY Oxford, UK T. +33-(0)474-626500
and India and sales subsidiaries in France, Germany, UK, T. +39-(0)522-389-1 T. +44-(0)1865-863858 F. +33-(0)474-623945
Spain and Singapore. infodiesel@kohler.com F. +44-(0)1865-861754
Kohler/Lombardini reserves the right to make
modifications without prior notice.
deutschland e s pa Ñ a r o a pa c
For the latest version please visit our website:
Lombardini Motoren GmbH Lombardini ESPAÑA, S.L. Kohler Singapore Pte Ltd
www.lombardini.it Fritz-Klatte-Str. 6, Bürogebäude 2 P.I. Cova Solera 1-9 (Kohler Power Systems)
65933 Frankfurt am Main, 08191 - Rubí (Barcelona) 7 Jurong Pier Road
DEUTSCHLAND ESPAÑA SINGAPORE 619159
T. +49-(0)69-9508160 T. +34-(0)9358-62111 T. +65-63020701
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