®

10 Frame
Piston Pump
Models 623
820,1010
SPECIFICATIONS U.S. Measure Metric Measure

MODEL 623
Flow..................................................................6.0 GPM (23 L/M)
Pressure Range....................................100 to 1200 PSI (7 to 85 BAR)
RPM.................................................................850 RPM (850 RPM)
Bore......................................................................0.787" (20 mm)
Stroke ...................................................................1.122" (28.5 mm)
MODEL 820
FEATURES Flow...................................................................10 GPM (38 L/M)
Pressure Range....................................100 to 1000 PSI (7 to 70 BAR)
Superior Design RPM.................................................................940 RPM (940 RPM)
Bore......................................................................0.984" (25 mm)
● Triplex Uniflow design provides continuous forward liquid flow for Stroke ...................................................................1.102" (28 mm)
smooth operation. MODEL 1010
Flow...................................................................13 GPM (49 L/M)
● Wetted cups and floating pistons are lubricated and cooled by Pressure Range......................................100 to 700 PSI (7 to 50 BAR)
pumped liquid for long cup life. RPM.................................................................900 RPM (900 RPM)
Bore......................................................................1.122" (28.5 mm)
● Mechanically actuated inlet valves give strong lift and easy prime. Stroke ...................................................................1.102" (28 mm)
● Oil bath crankcase assures optimum lubrication. COMMON SPECIFICATIONS
Crankcase Capacity..............................................40 oz. (1.2 L)
Quality Materials Maximum Liquid Temperature ..............................160°F (71°C)
● Cylinder and sleeve wear surfaces are hard chrome plated 304 Above 130°F call CAT PUMPS for inlet conditions and elastomer recommendations.
Inlet Pressure Range ............................– 8.5 to + 40 PSI (– 0.6 to + 2.8 BAR)
stainless steel for maximum durability and abrasion resistance. Inlet Ports (1) ....................................................1" NPTF (1" NPTF)
● Chrome plated, brass manifolds and optional stainless steel Discharge Ports (3) ........................................3/4" NPTF (3/4" NPTF)
Shaft Diameter .................................................... 0.984" (25 mm)
manifolds are strong and corrosion resistant. Weight...............................................................34.6 lbs. (15.7 kg)
Dimensions ...................................17.28 x 11.42 x 6.30" (439 x 290 x 160 mm)
● Special high strenth connecting rods offer superior bearing quality
strength.
HORSEPOWER REQUIREMENTS
● Chrome-moly crankshaft gives unmatched strength and surface
MODEL FLOW PRESSURE MOTOR PULLEY SIZE
hardness.
PSI PSI PSI PSI Using 1725 RPM Motor
● Oversized crankshaft bearings with greater loading capacity mean 500 700 1000 1200 & Std. 10.0" Pulley
longer bearing life. U.S. BAR BAR BAR BAR RPM Motor
GPM L/M 35 50 70 85 Pulley O.D.
Easy Maintenance 623 6.0 23 2.1 2.9 4.1 4.9 850 4.7
● Stepped stainless steel piston rod with chrome plated, stainless 5.0 19 1.7 2.4 3.4 4.1 709 4.0
4.0 15 1.4 1.8 2.8 3.3 567 3.1
steel sleeve allows easy replacement from front of pump.
820 10.0 38 3.4 4.8 6.9 NA 940 5.3
● All wet-end wear parts are easily serviced without entering 9.0 34 3.1 4.3 6.2 NA 846 4.8
crankcase, requiring less time and effort. 8.0 30 2.8 3.8 5.5 NA 752 4.3
1010 13.0 49 4.5 6.2 NA NA 900 5.0
● Wear parts are available in convenient kits. 10.0 38 3.4 4.8 NA NA 750 4.3
8.0 30 2.8 3.8 NA NA 600 3.4
DETERMINING Rated G.P. M. = “Desired” G.P. M.
THE PUMP R.P.M. Rated R.P. M. “Desired” R.P. M.
DETERMINING GPM x PSI = Electric Brake
WARNING
All systems require both a primary pressure regulating device (i.e., regulator, unloader) and THE REQUIRED H.P. 1460 H. P. Required
a secondary pressure safety relief device (i.e., pop-off valve, safety valve). Failure to DETERMINING Motor Pulley O.D. = Pump Pulley O.D.
install such relief devices could result in personal injury or damage to the pump or to MOTOR PULLEY SIZE Pump R.P.M. Motor R.P.M.
system components. CAT PUMPS does not assume any liability or responsibility for the
See complete Drive Packages [Inclds: Pulleys, Belts, Hubs, Key] Tech Bulletin 003.
operation of a customer’s high pressure system.
Refer to pump Service Manual for repair procedure and additional technical information.

“Customer confidence is our greatest asset”

 PARTS LIST
ITEM PART NUMBER DESCRIPTION QTY
623 MATL 820 MATL 1010 MATL
2 50146 STL 50146 STL 50146 STL Key (M7x7x40) 1
5 92519 STZP 92519 STZP 92519 STZP Screw, HHC Sems (M6x16) 8
8 27331 AL 27331 AL 27331 AL Cover, Bearing 2
10 26965 NBR 26965 NBR 26965 NBR O-Ring, Bearing Cover - 70D 2
11 27330 NBR 27330 NBR 27330 NBR Seal, Oil, Crankshaft 2
15 47080 STL 47080 STL 47080 STL Bearing, Ball 2
20 48733 TNM 48733 TNM 48733 TNM Rod, Connecting, Assy [5/02] 3
25 27329 FCM 27329 FCM 27329 FCM Crankshaft, Dual End 1
31 828710 — 828710 — 828710 — Protector, Oil Cap 1
32 43211 ABS 43211 ABS 43211 ABS Cap, Oil Filler 1
33 14177 NBR 14177 NBR 14177 NBR O-Ring, Oil Filler Cap - 70D 1
37 92241 — 92241 — 92241 — Gauge, Oil Bubble w/Gasket - 80D 1
38 44428 NBR 44428 NBR 44428 NBR Gasket, Flat, Oil Gauge - 80D 1
40 92520 STZP 92520 STZP 92520 STZP Screw, HHC Sems (M6x20) 4
48 25625 STCP 25625 STCP 25625 STCP Plug, Drain (1/4"x19BSP) 1
49 23170 NBR 23170 NBR 23170 NBR O-Ring, Drain Plug - 70D 1
50 43491 AL 43491 AL 43491 AL Cover, Rear 1
51 44834 NBR 44834 NBR 44834 NBR O-Ring, Cover - 70D 1
53 44641 AL 44641 AL 44641 AL Crankcase w/Guide Pins 1
55 14050 STZP 14050 STZP 14050 STZP Stud (M10x45) 4
56 27911 POP 27911 POP 27911 POP Pan, Oil (use with items 100,101,106) 1
64 20251 CM 20251 CM 20251 CM Pin, Crosshead 3
65 27337 SZZ 27337 SZZ 27337 SZZ Rod, Piston 3
69 26952 STZP 26952 STZP 26952 STZP Washer, Oil Seal 3
70 27339 NBR 27339 NBR 27339 NBR Seal, Oil, Crankcase 3
75 25327 S 25327 S 25327 S Slinger, Barrier 3
77 25392 NBR 25392 NBR 25392 NBR O-Ring, Sleeve 6
28771 FPM 28771 FPM 28771 FPM O-Ring, Sleeve 6
80 27340 SCP 27340 SCP 27340 SCP Sleeve 3
28782 S 28782 S 28782 S Sleeve 3
81 29003 PTFE 29003 PTFE 29003 PTFE Back-up-Ring, Sleeve 3
100 27341 PVDF 27341 PVDF 27341 PVDF Retainer, Seal 3
101 27910 — 27910 — 27910 — Wick, Long Tab (use with items 56,100,106) 3
106 30315 NBR 30315 NBR 30315 NBR Seal, LPS, Prrrrm-A-Lube (greased) 3
30325 FPM 30325 FPM 30325 FPM Seal, LPS, Prrrrm-A-Lube (greased) 3
25153 NBR 25153 NBR 25153 NBR Seal, Blue-Dot (ungreased) (use with items 56,100,101) 3
100015 FPM 100015 FPM 100015 FPM Seal, Blue-Dot (ungreased) (use with items 56,100,101) 3
110 27344 BBCP 27344 BBCP 27344 BBCP Manifold, Inlet 1
30247 SS 30247 SS 30247 SS Manifold, Inlet 1
119 27347 S 27497 S 27813 S Valve, Inlet 3
130 30543 S 27820 S 27814 S Piston 3
131 30544 PTFE — — — — Ring, Bac-Cup 3
133 43172 FPM 27821 FPM 27815 FPM Cup, Piston 3
133 43474 FPM — — — — Bac-Cup Assy (43172,30543,30544) 3
133 30340 NBR — — — — Cup, Piston, Machined 3
133 29089 SNG 29091 SNG 29092 SNG Cup, V-Hot (1000 PSI Max.) 3
133 30145 TG 30333 TG 30189 TG Piston-Cup Assy (1000 PSI Max.) 3
135 27348 S 27499 S 27499 S Spacer, Piston 3
136 27002 S 27500 S 20324 S Retainer, Piston 3
137 27006 S 27006 S 27006 S Washer, Conical (M6) 3
138 27000 S 27000 S 27000 S Nut, Slotted (M6) 3
139 14158 S 14158 S 14158 S Cotterpin (M1.6x10) 3
143 26969 NBR 26969 NBR 26969 NBR O-Ring, Cylinder - 70D 6
28459 FPM 28459 FPM 28459 FPM O-Ring, Cylinder 6
150 28342 SCP 28340 SCP 28341 SCP Cylinder (M50) 3
28776 S 28778 S 28780 S Cylinder (M50) 3
153 28204 PTFE 28204 PTFE — — Back-up-Ring, Cylinder 3
162 43062 PTFE 43062 PTFE 43062 PTFE Back-up-Ring, Seat 3
163 26966 NBR 26966 NBR 26966 NBR O-Ring, Seat - 70D 3
28458 FPM 28458 FPM 28458 FPM O-Ring, Seat - 70D 3
164 43428 S 43428 S 43428 S Seat, Q.V. 3
43063 S 43063 S 43063 S Seat, F.V. 3
166 43721 S 43721 S 43721 S Valve, Q.V. 3
20262 S 20262 S 20262 S Valve, F.V. 3
167 43251 S 43251 S 43251 S Spring, Q.V. 3
20265 S 20265 S 20265 S Spring, F.V. 3
168 43429 S 43429 S 43429 S Retainer, Spring, Q.V. 3
43135 S 43135 S 43135 S Retainer, Spring, F.V. 3
185 43046 BBCP 43046 BBCP 43046 BBCP Manifold, Discharge 1
30248 SS 30248 SS 30248 SS Manifold, Discharge 1
6410 BB 6410 BB 6410 BB Manifold, Pulse Pump (1000 PSI Max.) (625,825,1015) 1
186 43641 STZP 43641 STZP 43641 STZP Washer, Shim (M10.5x1.5) 4/8
187 43047 STCP 43047 STCP 43047 STCP Stud, Hex, Manifold “B” 4
188 43641 STZP 43641 STZP 43641 STZP Washer, Shim (M10.5x1.5) 4/8
189 26950 STZP 26950 STZP 26950 STZP Washer (M10x0.5) 4/8
190 26951 STL 26951 STL 26951 STL Washer (M10x0.3) 4/8
191 27357 STZP 27357 STZP 27357 STZP Lockwasher (M10) 4
192 12503 STZP 12503 STZP 12503 STZP Lockwasher (M10) 4
194 81048 STZP 81048 STZP 81048 STZP Nut, Hex (M10x1.5) 4
196 20326 BBCP 20326 BBCP 20326 BBCP Plug, Discharge Manifold (3/4" NPT) 1
250 43139 STCP 43139 STCP 43139 STCP Protector, Shaft 1
255 30264 STZP 30264 STZP 30264 STZP Kit, Direct Mount 1
260 30613 STZP 30613 STZP 30613 STZP Angle, Rail Assy, A, U.S. (Inclds: 30635, 30921,30912,30903) 1
265 30653 — 30653 — 30653 — Kit, Mounting (Inclds: 30613,30206,30284,43139) 1
270 30206 F 30206 F 30206 F Pulley (10") [See Drive Packages, Tech Bulletin 003] 1
274 30234 STL 30234 STL 30234 STL Hub, “H” M25 (Keyway M7) [See Drive Packages, Tech Bulletin 003] 1
275 30284 STL 30284 STL 30284 STL Hub & Key Assy [See Drive Packages, Tech Bulletin 003] 1
 EXPLODED VIEW

Models
Standard - 623, 820, 1010
Stainless Steel - 621, 821, 1011
Pulse Pump - 625, 825, 1015
July 2003
623 MATL 820 MATL 1010 MATL
283 34334 — 34334 — 34334 — Kit, Oil Drain 1
295 6300 BBSS 6300 BBSS 6300 BBSS Pump, Pulse (1 Qt.) 1000 PSI (See individual data sheet) 1
6305 BBSS 6305 BBSS 6305 BBSS Pump, Pulse (1 Gal.) 1000 PSI (See individual data sheet) 1
300 30220 NBR 30222 NBR 30224 NBR Kit, Cup (Inclds: 133,139,143,153) (355 for 820 & 1010) 1
301 30822 NBR — — — — Kit, Bac-Cup (Inclds: 133,139,143,355) 1
302 30219 NBR 30221 NBR 30223 NBR Kit, Piston (Inclds: 119,130,133,135-139,143,153 (355 for 820 & 1010)) 1
30843 NBR — — — — Kit, Bac-Cup Piston (Inclds: 119,133,139,143,153,355) 1
305 30397 NBR 30397 NBR 30397 NBR Kit, Sleeve and Prrrrm-A-Lube Seal (Inclds: 75,77,80,106,139) 1
30227 NBR 30227 NBR 30227 NBR Kit, Sleeve and Blue-Dot Seal (Inclds: 75,77,80,101,106,139) 1
306 30305 NBR 30305 NBR 30305 NBR Kit, Prrrrm-A-Lube Seal (Inclds: 106,139) 1
30226 NBR 30226 NBR 30226 NBR Kit, Blue-Dot Seal (Inclds: 101,106,139) 1
310 30687 NBR 30687 NBR 30687 NBR Kit, Valve, Q.V. (Inclds: 143,153,162-168) 1
30449 NBR 30449 NBR 30449 NBR Kit, Valve, F.V. (Inclds: 143,153,162-168) 1
355 22130 NY 16981 NY 15770 NY Inserter, Cup 1
352 44050 STZP 44050 STZP 44050 STZP Tool, Oil Gauge Removal 1
360 25082 STZP 25082 STZP 25082 STZP T-Wrench (M10) 1
25083 STZP 25083 STZP 25083 STZP T-Wrench (M17) 1
— 6100 — 6100 — 6100 — Oil, Case (12 Bottles) ISO 68 Multi-viscosity Hydraulic 1
(Fill to specified crankcase capacity prior to start-up)
Bold print part numbers are unique to a particular pump model. Italics are optional items. [ ] Date of latest production change.
See Tech Bulletins 001, 002, 003, 005, 016, 017, 020, 024, 026, 034, 036, 037, 038, 042, 074, 077 and 083 for additional information.
When replacing Prrrrm-A-Lube Seals with Blue-Dot Seals, wick must be installed.
MATERIAL CODES (Not Part of Part Number): ABS=ABS Plastic AL=Aluminum BB=Brass BBCP=Brass/Chrome Plated CM=Chrome-Moly F=Cast Iron
FCM=Forged Chrome-moly FPM=Fluorocarbon NBR=Medium Nitrile (Buna-N) NY=Nylon POP=Polypropylene PTFE=Pure Polytetrafluoroethylene
PVDF=Polyvinylidene Fluoride S=304SS SCP=304SS/Chrome Plated SNG=Special Blend (Buna) SS=316SS STL=Steel STCP=Steel/Chrome Plated
STZP=Steel/Zinc Plated SZZ=304SS/Zamak TG=PTFE Graphite Compound (GIT) TNM=Special High Strength
 16.54 (420)
11.42 (290) 12.95 (329) 3.56 (90.5)
(3) 3/4" NPTF
1.57 (40) 1.57 (40) DISCHARGE 1.06
11.89 (302)
(27)

0.98 (25)
6.30 (160)

0.28 (7)
3.35 (85)

1.65 (42)
.39 (10)
.78 (20)
4.45 (113)
4 – ø11 2.95
1.18 (30) 1.54 (39)
2.16 (55)

4 – M10
1.77 (45) 2.56 (75)
18 (65)

.43 (11) 3.94 (100) (1) 1" NPTF INLET 2 SLOTS

PER RAIL
4.65 (118)
2.05 (52)
6.54 (166) 6.58 (167) 2.05 (52)
8.03 (204) 6.69 (170)
6.69 (170)
11.81 (300)

Models 623, 820, 1010

9 9 12 3
8
4
11 10 13 8 6 7 5

1 Die cast aluminum crankcase means 6 The stainless steel slinger provides 10 100% wet cup/seal design adds to ser-
high strength, lightweight, and excellent back-up protection for the crankcase vice life by allowing pumped liquids to
tolerance control. seal, keeping pumped liquids out of the cool and lubricate the elastomers on both
2 Oversized crankshaft bearings crankcase. sides.
provide extended bearing life and pump 7 The patented stepped piston rod with 11 304 stainless steel valves, seats, and
performance. hard chrome plated stainless steel springs provide corrosion-resistance,
3 Chrome-moly crankshaft provides sleeve provides a durable wear surface positive seating and long life.
unmatched strength and surface hard- and easy wet-end servicing. 12 Crossheads are 360° supported for
ness for long life. 8 The cylinder and sleeve wear surfaces uncompromising alignment.
4 Matched oversized high strength connect- are hard chrome plated 304 stainless 13 Mechanically actuated inlet valves
ing rods are noted for superior strength steel for longer service life. provide strong lift and easy prime.
and bearing quality. 9 Manifolds are of high tensile strength
5 The piston rods are high tensile strength chrome plated brass or 316 stainless
stainless steel with Zamak crossheads. steel for special corrosion resistance.

Products described hereon are covered by one or more of the following U.S. patents 3558244, 3652188, 3809508, 3920356, 3930756 and 5035580

World Headquarters CAT PUMPS (U.K.) LTD.

1 Fleet Business Park, Sandy Lane, Church Crookham, Fleet
CAT PUMPS Hampshire GU52 8BF, England
1681 - 94th Lane N.E. Minneapolis, MN 55449 - 4324 Phone Fleet 44 1252-622031 — Fax 44 1252-626655
e-mail: sales@catpumps.co.uk
Phone (763) 780-5440 — FAX (763) 780-2958 N.V. CAT PUMPS INTERNATIONAL S. A.
e-mail: techsupport@catpumps.com Heiveldekens 6A, 2550 Kontich, Belgium
www.catpumps.com The Pumps with Nine Lives Phone 32- 3- 450.71.50 — Fax 32-3- 450.71.51
e-mail: cpi@catpumps.be www.catpumps.be
International Inquiries CAT PUMPS DEUTSCHLAND GmbH
FAX (763) 785-4329 Buchwiese 2, D-65510 Idstein, Germany
Phone 49 6126-9303 0 — Fax 49 6126-9303 33
e-mail: intlsales@catpumps.com e-mail: catpumps@t-online.de www.catpumps.de

PN 993141 Rev A 4363