Bench Test Procedure for Hydraulic Piston Pumps {5070} Caterpillar


Bench Test Procedure for Hydraulic Piston Pumps {5070}

Usage:

120H 124
Articulated Truck
725 (S/N: WWA1-UP; B1L1-UP; AFX1-UP)
730 (S/N: WWB1-UP; AGF1-UP; B1M1-UP)
730 EJECTOR (S/N: B1W1-UP)
735 (S/N: WWC1-UP; B1N1-UP; AWR1-UP)
735B (S/N: L4D1-UP; GLG1-UP; T4P1-UP; E4R1-UP)
740 (S/N: WWD1-UP; AXM1-UP; B1P1-UP; DTX1-UP)
740 EJECTOR (S/N: B1R1-UP; AZZ1-UP)
740B (S/N: L4E1-UP; GLH1-UP; T4R1-UP; E4S1-UP)
740B EJECTOR (S/N: L4F1-UP; T4S1-UP)
D250E Series II (S/N: 4PS1-UP)
D300E Series II (S/N: 5KS1-UP)
D350E Series II (S/N: 2XW1-UP)
D400E Series II (S/N: APF1-UP; 8PS1-UP)
Backhoe Loader
416B (S/N: 8SG1-UP; 8ZK1-UP)
416C (S/N: 4ZN1-UP; 5YN1-UP; 1WR1-UP; 1XR1-UP)
416E (S/N: SHA1-UP; CBD1-UP; MFG1-UP)
420E (S/N: HLS1-UP; KMW1-UP)
426B (S/N: 5YJ1-UP; 6KL1-UP)
426C (S/N: 6XN1-UP; 7WN1-UP; 1CR1-UP; 1ER1-UP; 1MR1-UP; 1NR1-UP; 1YR1-UP; 1ZR1-UP)
428B (S/N: 7EJ1-UP)
428C (S/N: 8RN1-UP; 2CR1-UP)
430E (S/N: DDT1-UP; EAT1-UP)
432E (S/N: BXE1-UP)
434E (S/N: FSH1-UP)
436B (S/N: 6MJ1-UP; 7FL1-UP)
436C (S/N: 8TN1-UP; 9JN1-UP; 1FR1-UP; 1PR1-UP; 1RR1-UP; 2AR1-UP; 2BR1-UP)
438B (S/N: 3KK1-UP)
438C (S/N: 9KN1-UP; 1JR1-UP; 1TR1-UP; 2DR1-UP)
442E (S/N: GKZ1-UP)
444E (S/N: LBE1-UP)
Excavator
235C (S/N: 3WG1-UP)
235D (S/N: 8KJ1-UP)
365B (S/N: CTY1-UP; 9PZ1-UP)
365B Series II (S/N: BTH1-UP)
365BL (S/N: 9TZ1-UP)
365BL Series II (S/N: JMB1-UP; SDL1-UP; DER1-UP)
Landfill Compactor
836G (S/N: BRL1-UP; 7MZ1-UP)
836H (S/N: BXD1-UP)
Material Handler
MH3037 (S/N: JPB1-UP; JLH1-UP)
MH3049 (S/N: HPB1-UP)
MH3059 (S/N: RBR1-UP)
Motor Grader
120H (S/N: 1241-UP; CAF1-UP)
12H (S/N: 1251-UP; CBK1-UP; AMZ1-UP)
135H (S/N: CBC1-UP; AMX1-UP)
140 GC (S/N: W921-UP)
140H (S/N: 1261-UP; CCA1-UP; APM1-UP)
143H (S/N: APN1-UP)
160H (S/N: ASD1-UP; CCP1-UP)
163H (S/N: ARL1-UP)
Off-Highway Truck/Tractor
69D (S/N: 9XS1-UP)
73D (S/N: 9YS1-UP)
769D (S/N: BBB1-UP; 5TR1-UP; 5SS1-UP)
773D (S/N: NBJ1-UP; BGL1-UP; 7ER1-UP; 7CS1-UP)
773E (S/N: BDA1-UP; KEG1-UP; ASK1-UP)
797 (S/N: 5YW1-UP)
797B (S/N: JSM1-UP)
OEM POWERTRAIN (S/N: DTE1-UP)
Quarry Truck
771D (S/N: BCA1-UP; 6JR1-UP; 6YS1-UP)
775D (S/N: 6KR1-UP; 8AS1-UP)
775E (S/N: BEC1-UP)
Site Prep Tractor
2864C (S/N: SP41-UP)
586C (S/N: SL51-UP; SP51-UP)
Skid Steer Loader
228 (S/N: 6BZ1-UP)
248 (S/N: 6LZ1-UP)
Telehandler
TH103 (S/N: 3PN1-UP)
TH514C (S/N: MWC1-UP)
Track Drills
MD5090 (S/N: SEW1-UP)
Track-Type Loader
953D (S/N: LBP1-UP)
953K (S/N: JNR1-UP; LJT1-UP)
963D (S/N: LCS1-UP)
973D (S/N: LCP1-UP)
973K (S/N: MKL1-UP)
Track-Type Tractor
D11N (S/N: 4HK1-UP)
D11R (S/N: AAF1-UP; 8ZR1-UP; 9TR1-UP; 9XR1-UP; 7PZ1-UP)
D11T (S/N: GEB1-UP; TPB1-UP)
D6T (S/N: JHB1-UP; KSB1-UP; ZEB1-UP; ZJB1-UP; JZC1-UP; SMC1-UP; DTD1-UP; JWD1-UP; LBD1-UP; LAE1-UP; DJG1-UP; WCG1-UP; WFH1-UP; EJJ1-UP; LKJ1-UP; SLJ1-UP; GMK1-UP; RRK1-UP; SNK1-UP; KJL1-UP; SKL1-UP; TSM1-UP; WLM1-UP; PLR1-UP; GCT1-UP; JRW1-UP; RCW1-UP; RLW1-UP; LAY1-UP; PEZ1-UP)
D7E (S/N: TJA1-UP; MDB1-UP; SCG1-UP; TAN1-UP; JDP1-UP)
D8T (S/N: J8B1-UP; FMC1-UP; MLN1-UP; FCT1-UP; JET1-UP; KPZ1-UP)
D9T (S/N: TWG1-UP; RJS1-UP; REX1-UP)
Wheel Dozer
834G (S/N: BPC1-UP; 6GZ1-UP)
834H (S/N: BTX1-UP)
844 (S/N: 2KZ1-UP)
854K (S/N: 2211-UP; H9K1-UP; H8M1-UP)
Wheel Feller Buncher
2470C (S/N: W471-UP; W2M1-UP)
2570C (S/N: W571-UP; F1B1-UP)
2670C (S/N: W671-UP; B3E1-UP)
553C (S/N: W531-UP; PGR1-UP)
563C (S/N: W631-UP; JCB1-UP)
573C (S/N: W731-UP; RJT1-UP)
Wheel Loader
924K (S/N: KW41-UP; ENC1-UP; HJF1-UP; SNZ1-UP)
926M (S/N: LTE1-UP)
986H (S/N: 9861-UP; L8S1-UP)
986K (S/N: MH81-UP; NL81-UP; SWH1-UP)
988G (S/N: BNH1-UP; 2TW1-UP)
988G Series RTCH (S/N: 1NZ1-UP)
988H (S/N: A7A1-UP; BXY1-UP)
990 (S/N: 7HK1-UP)
990 Series II (S/N: 4FR1-UP)
991K (S/N: 5301-UP)
992K (S/N: 8801-UP; H4C1-UP; ZMX1-UP)
993K (S/N: LWA1-UP; Z9K1-UP)

Introduction

Table 1
Revision  Summary of Changes in REHS9363 
06  Added pumps 512-4934 Piston Pump Gp and 533-1132 Piston Pump Gp to document. Updated effectivity. 
05  Updated effectivity. 
04  Added new machine serial number prefixes JNR, MH8, and NH8 to document. 
03  Added new Wheel Loader serial number prefix LJT to document. 
Added part number 472-1075 Piston Pump Gp. and 476-0293 Piston Pump Gp. to document.

© 2019 Caterpillar All Rights Reserved. This guideline is for the use of Cat dealers only. Unauthorized use of this document or the proprietary processes therein without permission may be violation of intellectual property law. Information contained in this document is considered Caterpillar: Confidential Yellow.

This Special Instruction includes test procedures for piston pumps. This Special Instruction also provides specifications. The technician should have a good understanding of hydraulic piston pumps. The technician should be educated in the operation of the hydraulic test bench. The test benches in this document are available through the Caterpillar Service Tool Division . Gather all necessary tooling before you need to hook up the pump. Some of the required tooling appears in a table at the end of this document. There are many possible variations of tooling that could be used. Not every possible variation can be listed.

For questions or additional information concerning this guideline, submit a feedback form in the Service Information System website. In order to address an urgent need, please use the following to relay your request to Caterpillar Repair Process Engineering:

  • Cat Dealer Technical Communicator

  • Dealer Solution Network

  • Cat Technical Representative

  • Knowledge Network (online)

Canceled Part Numbers and Replaced Part Numbers

This document may not include all Canceled part numbers and replaced part numbers. Use NPR on SIS for information about Canceled part numbers and replaced part numbers. NPR will provide the current part numbers for replaced parts.

Safety



Illustration 1g02139237

------ WARNING! ------

Personal injury or death can result from improperly checking for a leak.

Always use a board or cardboard when checking for a leak. Escaping air or fluid under pressure, even a pin-hole size leak, can penetrate body tissue causing serious injury, and possible death.

If fluid is injected into your skin, it must be treated immediately by a doctor familiar with this type of injury.


------ WARNING! ------

Hot oil and hot components can cause personal injury. Do not allow hot oil or hot components to contact skin.


------ WARNING! ------

Pump test pressures in this guideline may exceed the normal operating range of the hydraulic test hoses utilized when connecting the tested pump to the test bench. However, the order of magnitude of these pressures is significantly below the burst strength of the Caterpillar "XT6" product.

High pressure oil can escape through improperly assembled hoses and fittings. High pressure oil can also escape through poorly maintained hoses and fittings. High pressure oil may also leak through hose that has become damaged over the life of the hose due to the pressure levels that occur during test bench operation.

Personal injury or death can result from improper hose & fitting inspection or improper hose replacement procedures. Escaping fluid under pressure can penetrate body tissue causing serious injury, and possible death.

Thoroughly inspect all testing hoses, fittings, and quick disconnects prior to any testing operation. Check the assembly date tag or hose assembly log date for a hose life indicator. Replace all Test Bench hoses at a minimum of every 2 years or earlier if the hose or fittings appear to be damaged.


Summary

This procedure is specific to the type of pump and the type of control. Refer to the test specifications and the tooling at the end of this document.

Note: A paper copy of this document may not be the latest version. Go to the Service Information System (SIS) in order to view the latest version.

References

Table 2
References 
Media Number  Title 
REHS1761  Required Tooling for Bench Testing Hydraulic Components 
SEBF8810  Hydraulic Pump, Motor, and Cylinder Bench Test Procedure Reference Manual 
SEHS8892  Operating Instructions for Caterpillar 1U-9400 Series Hydraulic Test Center 
NEHS0563  Tool Operating Manual for 9U-5000 Series (Hydraulic Test Bench) 

Connections for the Caterpillar Hydraulic Test Center



Illustration 2g01178572
Connections for the test center
(1) Flow control for discharge
(2) "F3" flow meter inlet
(3) "F4" flow meter inlet
(4) Oil supply from the auxiliary pump
(5) "F3" inlet for the flow meter with flow limiter
(6) "F3" outlet for the flow meter with pressure control
(7) Load sensing pressure
(8) Signal pressure
(9) "F4" outlet for the flow meter
(10) Return to tank
(11) Connections for case drain
(12) Oil supply


Illustration 3g01178573
Control and gauges for the test center
(13) Meter for speed and torque
(14) Gauge for signal pressure
(15) Control for signal pressure
(16) Pressure gauge for auxiliary pump
(17) Auxiliary pump flow
(18) "F3" Discharge pressure gauge
(19) "F3" Discharge flow
(20) "F4" Discharge pressure gauge
(21) "F4" Discharge flow
(22) Auxiliary pump flow control
(23) "F3" Margin pressure
(24) "F3" Load control for discharge pressure
(25) "F4" Load control for discharge pressure

Connections for the Caterpillar Hydraulic Test Bench



Illustration 4g01178574
Connections for the test bench
(26) "Flow meter 1" loop and "Flow meter 2" loop
(27) Oil supply


Illustration 5g01178575
Connections for the test bench
(28) "Flow meter 2" loop
(29) "Flow meter 1" loop
(30) "Flow meter 2" outlet
(31) Signal pressure line
(32) "Flow meter 2" inlet
(33a) "Flow meter 1" outlet
(33b) Auxiliary Oil supply outlet
(34) Auxiliary Oil supply inlet
(35) "Flow meter 1" inlet


Illustration 6g01178576
Control and gauges for the test bench
(36) Auxiliary Oil supply pressure
(37) Signal pressure
(38) Control for signal pressure
(39) "Flow meter 1" discharge pressure
(40) Control for auxiliary Oil supply pressure
(41) "Flow meter 2" discharge pressure
(42) Control for the auxiliary oil supply
(43) "Flow meter 2" discharge flow
(44) Discharge flow for auxiliary pump
(45) "Flow meter 1" discharge flow
(46) "Flow meter 1" load control
(47) Speed and direction control
(48) "Flow meter 2" load control

Pump Illustrations

This type of pump is manufactured in several different configurations shown in Illustrations 7 ,8, and 9 . Although the configurations differ in appearance, they will be tested the same. Use Illustrations 7 ,8, and 9 for identifying port locations during the"Pump Setup".

Note: The location of the control for these pumps may vary. The pressure-compensating valve will always be closest to the pump housing and the load-sensing valve will always be farthest from the pump housing. The pressure port for load-sensing (52) may be located on either side or both sides of the control. For testing, use only one pressure port for load-sensing (52) if multiple ports are present. Plug and unused ports on the control with a metal plug.



Illustration 7g03693513
Port locations for pumps with side-facing suction and discharge ports and a side-mounted control.
Part numbers with this configuration include: 6E-4469, 6E-5280, 131-6006, 140-8886, 142-8698, 153-7021, 171-2949, 172-5637, 178-9181, 200-1801, 203-8732, 214-1098, 249-7013, 249-7016, 252-2679, 267-6598, 277-5566, 299-5401, 300-9481, 300-9482, 346-9704, 349-7072, 373-5871, 373-5872, 378-2838, 379–9740 , and 395-4807.
(49) Case drain port
(50) Adjustment screw for high-pressure cut
(51) Adjustment screw for margin pressure
(52) Pressure port for load sensing
(53) Discharge port
(54) Suction port
(55) Case drain port


Illustration 8g03693515
Port locations for pumps with side-facing suction and discharge ports and a rear-mounted control.
Part numbers with this configuration include: 153-9624, 169-4883, 186-3331, 194-3898 and 214-1091
(49) Case drain port
(50) Adjustment screw for high-pressure cut
(51) Adjustment screw for margin pressure
(52) Pressure port for load sensing
(53) Discharge port
(54) Suction port
(55) Case drain port


Illustration 9g03693518
Port locations for pumps with rear-facing suction and discharge ports and a rear-mounted control.
Part numbers with this configuration include: 134-2947, 145-5246, 152-2914, 153-7020, 178-5195, 271-2116, 278-1445, 280-7137 and 4Z-5811
(49) Case drain port
(50) Adjustment screw for high-pressure cut
(51) Adjustment screw for margin pressure
(52) Pressure port for load sensing
(53) Discharge port
(54) Suction port
(55) Case drain port


Illustration 10g03693627
Hydraulic schematic
(49) Case drain port
(50) Adjustment screw for high-pressure cut
(51) Adjustment screw for margin pressure
(52) Pressure port for load sensing
(53) Discharge port
(54) Suction port
(55) Case drain port

4C-3582 Load Sensing Valve



Illustration 11g01272623
4C-3582 Load Sensing Valve
(56) Outlet port
(57) Adjustment for the discharge flow
(58) Inlet port
(59) High-pressure valve port
(60) Adjustment for the discharge pressure


Illustration 12g01272625
4C-3582 Load Sensing Valve
(57) Adjustment for the discharge flow
(58) Inlet port
(61) Low-pressure valve port
(62) Pressure port for load sensing


Illustration 13g01272628
Schematic for 4C-3582 Load Sensing Valve
(56) Outlet port
(57) Adjustment for the discharge flow
(58) Inlet port
(59) High-pressure valve port
(60) Adjustment for the discharge pressure
(61) Low-pressure valve port
(62) Pressure port for load sensing


Illustration 14g03695426
4C-3582 Load Sensing Valve and 1U-5796 Pressure Differential Gauge
(56) Outlet port
(57) Adjustment for the discharge flow
(58) Inlet port
(59) High-pressure valve port
(60) Adjustment for the discharge pressure
(61) Low-pressure valve port
(62) Pressure port for load sensing
(63) Pressure differential gauge group
(64) Low-pressure gauge port
(65) High-pressure gauge port

Pump Setup

Note: A sense pressure line from the pump should be connected to the load sensing pressure port (7) when you use the Caterpillar Hydraulic Test Center . A sense pressure line from the pump should be connected to the pressure port for load sensing (62) on the 4C-3582 Load Sensing Valve when using the Caterpillar Hydraulic Test Bench .

  1. Connect a 1 inch high pressure "XT6" hose from the pump discharge port to inlet port (58) on the 4C-3582 Load Sensing Valve .

  2. Connect a 1 inch high pressure "XT6" hose from outlet port (56) on the 4C-3582 Load Sensing Valve to the flow meter inlet on the test bench.

  3. Connect a 1 inch high-pressure hose from the outlet of the flow meter on the test bench back to the tank.

  4. Connect a 6D-7726 Hose Assembly to the pressure port for load sensing (62) on the 4C-3582 Load Sensing Valve to the pressure port for load sensing (52) on the pump.

    Note: Do not use 1U-5754 Hose Assembly or 1U-5755 Hose Assembly for load sensing signal lines. The flow rate through these hoses will not compensate for the possible leakage through the control valve. Erratic readings will result.

  5. Connect the 1U-5796 Pressure Differential Gauge Group (63) to the high-pressure port (59) and low-pressure port (61) on the 4C-3582 Load Sensing Valve . The port marked "hi" (65) on the 1U-5796 Pressure Differential Gauge Group should be hooked up to the port marked "hi" (59) on the 4C-3582 Load Sensing Valve . The port marked "low" (64) on the 1U-5796 Pressure Differential Gauge Group should be hooked up to the port marked "low" (61) on the 4C-3582 Load Sensing Valve .

    Note: The ports marked "low" (61) and "sense line" (62) on the 4C-3582 Load Sensing Valve are reading the same pressure.

  6. Purge all air from the suction line. Loosen the suction hose at the pump until oil leaks from the connection. Tighten the suction hose.

  7. Fill the pump case with oil. Pour oil directly into a case drain port until the case is full.

  8. Connect an in-line flow meter to the case drain port (49) or (55) . Direct the oil from the in-line flow meter back to the tank.

  9. Do not rotate the pump in the wrong direction. The correct direction of rotation will be stated on the pump. The correct direction of rotation will also be in the test specifications. The direction of rotation is viewed from the input shaft end. Visually check the pump for proper rotation.

Test Procedure

Note: The steps in the procedure correlate with the steps in the test specification tables according to your specific part number.

The contamination level of the hydraulic oil in the test bench should be ISO 16/13 or better. The oil in the test bench should be one of the following.

  • SAE 10W at 50 °C (122 °F) or

  • Mobil DTE-11 at 46 °C (115 °F)


    Illustration 15g01181482
    Pump characteristics
    (P) Discharge pressure
    (Q) Discharge flow

    Note: For Steps 1 ,2,4, and 5 be sure Adjustment knob for discharge flow (57) and Adjustment for the discharge pressure (60) are backedcompletely out on the 4C-3582 Load Sensing Valve .

  1. Start rotating the pump according to the RPM in Step 1 of the test specifications. Listen for abnormal noise. Verify flow from the pump. Verify that all connections are tight. Check for leaks around shaft seals. Check for leaks around the control valve.

    Run the pump for at least 5 minutes in order to raise the temperature of the oil and purge the system of air.

  2. Slowly increase the input RPM to the value in Step 2 of the test specifications. If the actual flow is less than the value given in Step 2 of the test specifications, the pump may not be mechanically feasible. The pump should be internally inspected.

  3. Slowly increase the input RPM to the value in Step 3 . The discharge flow is adjusted by using the 4C-3582 Load Sensing Valve . Bench circuitry will be used for flow limiting when you use a 1U-9400 Test Center .

    Decrease the discharge flow by turning adjustment for discharge flow (57) according to the values in Step 3 of the test specifications. Adjust the discharge pressure according to the values in Step 3 of the test specifications. Adjust the screw for margin pressure (51) to the value in Step 3 of the test specifications. The margin pressure will be displayed on the 1U-5796 Pressure Differential Gauge (63) .

    Note: The margin pressure may change as discharge pressure changes. Adjust margin pressure in Step 3 only.

  4. Increase the discharge flow by turning adjustment for discharge flow (57) according to Step 4 of the test specifications. Slowly decrease the input RPM to the value in Step 4 . Increase the pump discharge pressure to the value in Step 4 of the test specifications. Compare the actual values from the case drain with the values in Step 4 of the test specifications. This value is an indication of the pump efficiency. If the case drain is more than the value given in Step 4 of the test specifications, the pump may not be mechanically feasible. The pump should be internally inspected.

  5. Increase the pump discharge pressure to the value in Step 5 of the test specifications. If the high pressure cut out value is not equal to the value in Step 5 of the test specifications, then turn the adjustment screw for the high-pressure cut (50) until the actual high pressure cut value is equal to the value in Step 5 . The discharge flow should be zero when the high-pressure cutout is reached.

------ WARNING! ------

Hot oil and hot components can cause personal injury. Do not allow hot oil or hot components to contact skin.


Reduce RPM and all pressures to zero. Remove the component from the test bench. Drain the oil from the pump. Plug all of the ports.

Test Specifications

Table 3
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
               
       
       
       
       

Table 4
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
4Z-5811  CW  1000  71 (19)     
2 1500 106 (28)     
3 2000 6900(1000)  75 (20)    1400±50 (203±7) 
4 1500 24831±360 (3601±52)  106 (28)  6.9 (1.8)   
5 1500 27590±400 (4002±58)     

Table 5
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
6E-4469  CCW  1000  100 (26)     
2 1500 150 (40)     
3 2140 6900 (1000)  105 (28)    1400±100 (203±15) 
4 1500 12060±315 (1749±46)  150 (40)  9.7 (2.6)   
5 1500 13400±350 (1944±51)     

Table 6
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
6E-5280  Canceled, replaced by 100-3259 

Table 7
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
100-3259  CCW  1000  71 (19)     
2 1500 106 (28)     
3 2200 6900(1000)  75 (20)    2100±100 (304±15) 
4 1500 18630±315 (2700±46)  106 (28)  6.9 (1.8)   
5 1500 20700±350 (3000±51)     

Table 8
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
131-6006  CCW  1000  71 (19)     
2 1500 106 (28)     
3 2200 6900 (1000)  75 (20)    2100±100 (304±15) 
4 1500 13050±315 (1893±46)  106 (28)  6.9 (1.8)   
5 1500 14500±350 (2103±51)     

Table 9
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
134-2947  CW  1000  51 (13)     
2 1500 76 (20)     
3 2200 6900 (1000)  57 (15)    1400±100 (203±15) 
4 1500 22500±450 (3263±66)  76 (20)  5.6 (1.5)   
5 1500 25000±500 (3626±73)     

Table 10
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
136-4629  CCW  1000  38 (10)     
2 1500 57 (15)     
3 2200 6900 (1000)  38 (10)    2100±100 (304±15) 
4 1500 13950±315 (2023±46)  57 (15)  4.7 (1.2)   
5 1500 15500±350 (2248±51)     

Table 11
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
136-4631  Canceled, replaced by 145-0772 

Table 12
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
140-8886  CCW  1000  71 (19)     
2 1500 106 (28)     
3 2200 6900 (1000)  75 (20)    1400±100 (203±15) 
4 1500 21690±315 (3146±46)  106 (28)  6.9 (1.8)   
5 1500 24100±350 (3495±51)     

Table 13
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
142-8698  CW  1000  45 (12)     
2 1500 67 (18)     
3 2200 6900 (1000)  50 (13)    2400±200 (348±20) 
4 1500 26100 (3785)  50 (13)  5.2 (1.4)   
5 1500 29000 (4206)     

Table 14
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
145-0772  Tandem pumps, see 145-4878 or 145-0771 (REHS1375) 

Table 15
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
145-4878  CCW  1000  71 (19)     
2 1500 106 (28)     
3 2200 6900 (1000)  75 (20)    2100±100 (304±15) 
4 1500 22690±315 (1841±46)  106 (28)  6.9 (1.8)   
5 1500 14100±350 (2045±51)     

Table 16
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
145-5246  CW  1000  74 (20)     
2 1500 111 (29)     
3 2000 6900 (1000)  75 (20)    3270±100 (474±15) 
4 1500 21150±315 (3065±46)  111 (29)  7 (1.9)   
5 1500 23500±350 (3405±51)     

Table 17
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
152-2914  CW  1000  71 (19)     
2 1500 106 (28)     
3 2200 6900 (1000)  78 (20)    1400±100 (203±15) 
4 1500 18630 (2702)  106 (28)  6.9 (1.8)   
5 1500 20700 (3002)     

Table 18
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
152-7909  Canceled, replaced by 153-9624 

Table 19
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
153-7020  CW  1000  100 (26)     
2 1500 150 (40)     
3 2140 6900 (1000)  110 (29)    2600±100 (377±15) 
4 1500 19800±315 (2872±46)  150 (40)  9 (2.3)   
5 1500 22000±350 (3191±51)     

Table 20
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
153-7021  CCW  1000  100 (26)     
2 1500 150 (40)     
3 2140 6900 (1000)  110 (29)    2600±100 (377±15) 
4 1500 19800±315 (2872±46)  150 (40)  9 (2.3)   
5 1500 22000±350 (3191±51)     

Table 21
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
153-9624  CW  1000  140 (37)     
2 1500 210 (55)     
3 2015 6900 (1000)  140 (37)    2100±100 (304±15) 
4 1500 21690±315 (3146±46)  210 (55)  13.2 (3.5)   
5 1500 21400±350 (3495±51)     

Table 22
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
156-5465  Canceled, replaced by 178-7231 

Table 23
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
165-6767  Tandem Pumps, see 171-2949 or 171-2950 (REHS1375) 

Table 24
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
169-4883  CCW  1000  28 (7)     
2 1500 42 (11)     
3 2200 6900 (1000)  31 (8)    1500±100 (218±15) 
4 1500 7380±90 (1070±13)  42 (11)  4.2 (1.1)   
5 1500 8200±100 (1189±15)     

Table 25
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
171-2949  CCW  1000  100 (26)     
2 1500 150 (40)     
3 2140 6900 (1000)  105 (28)    2600±100 (377±15) 
4 1500 19800±315 (2872±46)  150 (40)  9 (2.3)   
5 1500 22000±350 (3191±51)     

Table 26
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
172-5637  CCW  1000  71 (19)     
2 1500 106 (28)     
3 2200 6900 (1000)  75 (20)    2100±100 (305±15) 
4 1500 15300±315 (2219±46)  106 (28)  6.9 (1.8)   
5 1500 17000±350 (2466±51)     

Table 27
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
172-5638  Tandem pumps, refer to 172-5637 or 172-5636 (REHS1375) 

Table 28
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
178-5195  CW  1000  74 (20)     
2 1500 111 (29)     
3 2000 6900 (1000)  75 (20)    3000±100 (435±15) 
4 1500 21150±315 (3068±46)  111 (29)  7.4 (2.0)   
5 1500 23500±350 (3408±51)     

Table 29
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
178-7231  Canceled, replaced by 186-3325 

Table 30
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
178-9181  CW  1000  28 (7)     
2 1500 42 (11)     
3 2200 6900 (1000)  31 (8)    1900±100 (276±15) 
4 1500 24210±315 (3511±46)  42 (11)  4.2 (1.1)   
5 1500 26900±350 (3902±51)     

Table 31
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
186-3325  Tandem pumps, refer to 186-3331 or 178-9181 

Table 32
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
186-3331  CW  1000  140 (37)     
2 1500 210 (55)     
3 2200 6900 (1000)  154 (41)    1800±100 (261±15) 
4 1500 24480±315 (3551±46)  210 (55)  13.2 (3.5)   
5 1500 27200±350 (3945±51)     

Table 33
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
194-3897  Tandem Pumps, refer to 194-3898 or 178-9181 

Table 34
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
194-3898  CW  1000  140 (37)     
2 1500 210 (55)     
3 2200 6900 (1000)  154 (41)    1800±100 (261±15) 
4 1500 23580±315 (3420±46)  210 (55)  13.2 (3.5)   
5 1500 26200±350 (3800±51)     

Table 35
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
200-1801  CW  1000  100 (26)     
2 1500 150 (40)     
3 2140 6900 (1000)  88 (23)    2600±100 (377±15) 
4 1500 19800±315 (2872±46)  150 (40)  9 (2.3)   
5 1500 22000±350 (3190±51)     

Table 36
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
203-8732  CW  1000  131 (35)     
2 1500 197 (52)     
3 1200 6900 (1000)  79 (21)    2100 (305) 
4 1500 23580±315 (3420±46)  197 (52)  12 (3.2)   
5 1500 26200±350 (3800±51)     

Table 37
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
210-6238  CW  1000  74 (19.5)     
2 1500 110 (29)     
3 2200 6900 (1000)  80 (21)    2200±100 (320±15) 
4 1500 24840±315 (3600±46)  110 (29)  7.4 (2.0)   
5 1500 27600 ± 350 (4000±51)     

Table 38
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
214-1091  CW  1000  131 (35)     
2 1500 197 (52)     
3 1200 6900 (1000)  78 (21)    2100±150 (305±22) 
4 1500 21600±315 (3133±51)  197 (52)  12 (3.2)   
5 1500 24000±350 (3481±51)     

Table 39
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
214-1095  Tandem pump, see 214-1098 and 214-1097 (REHS1448) 

Table 40
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
214-1098  CW  1000  131 (35)     
2 1500 197 (52)     
3 2400 6900 (1000)  144 (38)    2100 (304.6) 
4 1500 23580±317 (3420±46)  197 (52)  12 (3.2)   
5 1500 26200±352 (3800±51)     

Table 41
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
223-5575  CW  1000  74 (20)     
2 1500 110 (29)     
3 1800 6900 (1000)  132 (35)    2100 ±100 (305±14.5) 
4 1500 24840±315 (3603±46)  110 (29)  7.2 (1.9)   
5 1500 27600±350 (4003±51)     

Table 42
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
249-7013  CCW  1000  74 (19.5)     
2 1500 111 (29)     
3 2000 6900 (1000)  83 (22)    2100±100 (305±15) 
4 1500 18900±315 (2740±46)  111 (30)  11.1(2.9)   
5 1500 21000±350 (3045±51)     

Table 43
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
249-7016  CW  1000  100 (26)     
2 1500 150 (40)     
3 2000 6900 (1000)  113 (30)    2100±100 (305±15) 
4 1500 18450±315 (2676±46)  150 (40)  15 (4)   
5 1500 20500±350 (2973±51)     

Table 44
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
252-2679  CW  1000  74 (20)     
2 1500 110 (29)     
3 2000 6900 (1000)  140 (37)    2000±100 (290±15) 
4 1500 27000±315 (3916±46)  110 (29)  7 (1.9)   
5 1500 30000±350 (4351±51)  21.9 (5.80)     

Table 45
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
267-6598  CW  1000  100 (26)     
2 1500 150 (40)     
3 2000 6900 (1000)  100 (26)    2000±100 (290±15) 
4 1500 24840±315 (3602±46)  150 (40)  9 (2.3)   
5 1500 27600±350 (4003±51)     

Table 46
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
271-2116  CW  1000  100 (26)     
2 1500 150 (40)     
3 2200 6900 (1000)  110 (29)    2100±100 (305±15) 
4 1500 17370±315 (2519±46)  150 (40)  9 (2.3)   
5 1500 19300±350 (2800±46)     

Table 47
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
277-5566  CCW  1000  140 (37)     
2 1500 212 (56)     
3 2200 6900 (1000)  155 (41)    2100±100 (305±15) 
4 1500 21600±315 (3133±46)  212 (56)  13.2 (3.5)   
5 1500 24000±350 (3481±51)     

Table 48
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
278-1445  CW  1000  100 (26)     
2 1500 106 (28)     
3 2200 6900 (1000)  155 (41)    2100±100 (305±15) 
4 1500 25200±315 (3655±46)  106 (28)  9 (2.3)   
5 1500 28000±350 (4060±51)     

Table 49
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
280-7137  CW  1000  100 (26)     
2 1500 150 (39.6)     
3 2000 6900 (1000)  98 (26)    2100 (304) 
4 1500 19350±315 (2813±45)  150 (39.6)  9.8 (2.6)   
5 1500 21500±350 (3125±50)     

Table 50
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
286-7884  CW  1000  95 (25.1)     
2 1500 143 (37.7)     
3 2200 6900 (1000)  106 (28)    2000 (290) 
4 1500 27000 (3916)  143 (37.7)  8.7 (2.3)   
5 1500 30000 (4351)     

Table 51
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
299-5401  CW  1000  71 (19)     
2 1500 106 (28)     
3 2200 6900 (1000)  80 (21)    2100 (305) 
4 1500 20250±315 (2940±46)  106 (28)  8.3 (2.2)   
5 1500 22500±350 (3265±51)     

Table 52
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
300-9481  CW  1000  95 (25.1)     
2 1500 143 (37.7)     
3 2200 6900 (1000)  106 (28)    2000 (290) 
4 1500 27000 (3916)  143 (37.7)  8.7 (2.3)   
5 1500 30000 (4351)     

Table 53
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
300-9482  CW  1000  95 (25.1)     
2 1500 143 (37.7)     
3 2200 6900 (1000)  106 (28)    2000 (290) 
4 1500 27000 (3916)  143 (37.7)  8.7 (2.3)   
5 1500 30000 (4351)     

Table 54
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
333-7825  Tandem pump, see 214-1098 and 333-7826 (REHS1448) 

Table 55
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
346-9704  CCW  1000  71 (19)     
2 1500 106 (28)     
3 2200 6900 (1000)  75 (20)    2100 (305) 
4 1500 24300 (3524)  106 (28)  6.9 (1.8)   
5 1500 27000 (3770)     

Table 56
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
349-7072  CCW  1000  71 (19)     
2 1500 106 (28)     
3 2200 6900 (1000)  75 (20)    2100 (305) 
4 1500 24300 (3524)  106 (28)  6.9 (1.8)   
5 1500 27000 (3770)     

Table 57
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
367-3244  Tandem Pumps, refer to 373-5871 or 373-5872 

Table 58
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
373-5871  CW  1000  110 (29)     
2 1500 165(43)     
3 2000 6900 (1000)  66 (18)    2400±100 (348±14.5) 
4 1500 26640±315 (3864±46)  165(43)  11.4 (3)   
5 1500 29600±350 (4293±51)     

Table 59
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
373-5872  CW  1000  110 (29)     
2 1500 165(43)     
3 2000 6900 (1000)  66 (18)    2400±100 (348±14.5) 
4 1500 26640±315 (3864±46)  165(43)  11.4 (3)   
5 1500 29600±350 (4293±51)     

Table 60
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
378-2838  CW  1000  88 (23)     
2 1500 132 (35)     
3 2000 6900 (1000)  88 (23)    2100 (305) 
4 1500 24750 (3590)  132 (35)  9 (2.4)   
5 1500 27500 (3990)     

Table 61
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
379–9740  CCW  1000  140 (37)     
2 1500 212 (56)     
3 2200 6900 (1000)  155 (41)    2100±100 (305±15) 
4 1500 21600±315 (3133±46)  212 (56)  13.2 (3.5)   
5 1500 24000±350 (3481±51)     

Table 62
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
386-0546  Tandem pump, see 378-2838 and 378-2847 (REHS3451) 

Table 63
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
395-4363  CW  1000  45 (11.5)     
2 1500 67.5 (18)     
3 2000 6900 (1000)  45 (11.5)    1400 (203) 
4 2000 15480 (2275)  90 (23.5)  6.5 (2)   
5 2000 17200 (2500)     

Table 64
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
395-4807  CCW  1000  35 (9.2)     
2 1500 52.5 (13.9)     
3 2000 6900 (1000)  35 (9.2)    1400 (203) 
4 2000 24840 (3603)  70 (18.4)  5 (1.3)   
5 2000 27600 (4003)     

Table 65
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
472-1075  CW  1000  88 (23)     
2 1500 132(35)     
3 2000 6900 (1000)  88 (23)    2000 (300) 
4 2000 25200 (3700)  132(35)  10 (3)   
5 2000 28000 (4200)     

Table 66
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
476-0293  CW  1000  71 (19)     
2 1500 106 (26))     
3 2000 6900 (1000)  71 (19)    2100 (300) 
4 2000 16800 (2500)  106 (26))  8 (2)   
5 2000 18600 (2750)     

Table 67
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
512-4934  CW  1000  131 (35)     
2 1500 197 (52)     
3 1200 6900 (1000)  78 (21)    2100±150 (305±22) 
4 1500 21600±315 (3133±51)  197 (52)  12 (3.2)   
5 1500 24000±350 (3481±51)     

Table 68
Part Number  Pump Rotation  Step  Input Speed  Discharge Pressure kPa (psi)  Discharge Flow lpm (gpm)  Max. Case Drain Flow lpm (gpm)  Margin Pressure kPa (psi) 
533-1132  CCW  1000  74 (19)     
2 1500 111 (29)     
3 2000 6900 (1000)  74 (19)    2100±100 (305±15) 
4 1500 21950±350 (3330±50)  111 (29)  7.7 (2)   
5 1500 25500±350 (3700±50)     

Test Bench Tooling

Table 69
Tooling 
Part Number  Adapter Plate  Drive Adapter  Suction Adapter  Split Flange  Flange Adapter  Pilot Pressure Port  Case Drain Port 
4Z-5811  1U-9128  1U-9834  1U-9873  1P-4578  9U-7445  7/16-20 STOR  7/8-14 STOR 
6E-4469  1U-9128  1U-9834  1U-9873  1P-4577  9U-7444  7/16-20 STOR  1 1/16-12 STOR 
6E-5280  Canceled, replaced by 100-3259 
100-3259  1U-9128  1U-9834  1U-9873  1P-4578  9U-7445  7/16-20 STOR  7/8-14 STOR  
131-6006  1U-9128   1U-9834  1U-9873  1P-4577  9U-7444  7/16-20 STOR  7/8-14 STOR 
134-2947   1U-9128   1U-9834  1U-9873  1P-4578  9U-7445  7/16-20 STOR  7/8-14 STOR 
136-4629   1U-9128   1U-9834   1U-9873   1P-4577   9U-7444   7/16-20 STOR   7/8-14 STOR  
136-4631  Tandem Pumps, see 145-4878 or 145-0771 (DR) 
140-8886  1U-9128   1U-9834   1U-9873   1P-4577   9U-7444   7/16-20 STOR   7/8-14 STOR  
142-8698   1U-9127   4C-4088   1U-9870   1P-4577   9U-7444   7/16-20 STOR   7/8-14 STOR  
145-0772  Tandem Pumps, see 145-4878 or 145-0771 (DR) 
145-4878  1U-9127   1U-9834  1U-9873  1P-4577  9U-7444  7/16-20 STOR   7/8-14 STOR  
145-5246   1U-9128   1U-9834   1U-9873   1P-4577   9U-7444   7/16-20 STOR   7/8-14 STOR  
152-2914   1U-9128   1U-9834   1U-9873   1P-4577   9U-7444   7/16-20 STOR   7/8-14 STOR  
152-7909  Canceled, replaced by 153-9624 
153-7020   1U-9128   1U-9394   1U-9874   1P-4578   9U-7445   7/16-20 STOR   1 1/16-12 STOR  
153-7021   1U-9128   1U-9394   1U-9874   1P-4578   9U-7445   7/16-20 STOR   1 1/16-12 STOR  
153-9624  1U-9128   1U-9835   1U-9874   1P-5767   9U-7440   9/16-18 STOR   1 1/16 -12 STOR  
156-5465  Canceled, replaced by 178-7231 
165-6767  Tandem pumps, see 171-2949 or 171-2950 (DR) 
169-4883   1U-9127   1U-9833   1U-9869   1P-4576   9U-7443   7/16-20 STOR   3/4-16 STOR  
171-2949   1U-9128   1U-9394   1U-9874   1P-4578   9U-7445   7/16-20 STOR   1 1/16-12 STOR  
172-5637   1U-9128   1U-9834   1U-9873  1P-4577   9U-7444   7/16-20 STOR   7/8-14 STOR  
172-5638  Tandem Pumps, see 172-5637 or 172-5636 (DR) 
178-5195   1U-9127   1U-9834   1U-9873   1P-4577   9U-7444   7/16-20 STOR   7/8-14 STOR  
178-7231   Tandem Pumps, see 178-9179 or 178-9181 
178-9181  1U-9127   1U-9833   1U-9869   1P-4576   9U-7443   M14 X 1.5   M18 X 1.5  
186-3325  Tandem Pumps, see 186-3331 or 178-9181 
186-3331  1U-9129   1U-9835   1U-9874   1P-5767   9U-7440   M14 X 1.5   1 1/16-12 STOR  
194-3897   Tandem Pumps, see 194-3898 or 178-9181 
194-3898  1U-9129  1U-9835  1U-9874   1P-5767   9U-7440   M14 X 1.5   1 1/16-12 STOR  
200-1801   1U-9127   1U-9834   1U-9874   1P-5767   9U-7445   7/16-20-STOR   1 1/16-20-STOR  
203-8732  1U-9129  1U-9835   1U-5767   1P-7440   9U-7445   9/16-18 STOR   1 1/16-12 STOR  
210-6238  1U-9127  1U-9834  1U-9874  1 5/16-12 STOR  9/16-1 STOR   7/8-14 STOR  
214-1091   1U-9129   1U-9835   1U-9874   1P-4578   9U-7445   9/16-20 STOR   1 5/16-12 STOR  
214-1095  Tandem pump, see 214-1098 and 214-1097 (REHS1448) 
214-1098   1U-9129   1U-9835   1U-9874   1P-4578   9U-7445   9/16-18-STOR   1 1/16-12-STOR  
223-5575  1U-9128  1U-9834  1U-9874  1 5/16-12 STOR  7/16-20-STOR  7/8-14-STOR 
249-7013  1U-9128  1U-9834  1U-9873  1P-4577  9U-7444  7/16-20-STOR  7/8-14-STOR 
249-7016  1U-9128  1U-9394  1U-9874  1P-5767  9U-7440  7/16-20-STOR  1 1/16-12-STOR 
252-2679  1U-9128  1U-9834  1U-9873  1P-4577  9U-7439  7/16-20-STOR  7/8-14 STOR 
267-6598  1U-9128  1U-9394  1U-9874  1P-4578  9U-7445  7/16-20 STOR  1 1/16-12 STOR 
271-2116  1U-9128  1U-9394  1U-9874  1P-4578  9U-7445  7/16-20 STOR  1 1/16-12 STOR 
277-5566  131-8683  1U-9394  1U-9874  1P-5767  9U-7440  9/16-18 STOR  1 1/16 STOR 
278-1445  9U-9128  1U-9394  1U-9874  1P-4578  9U-7445  7/16-20 STOR  1 1/16-12 STOR 
280-7137  1U-9128  1U-9394  1U-9874  1P-4578  9U-7445  7/16-20 STOR  1 1/16-12 STOR 
286-7884  1U-9128  1U-9394  1U-9874  1P-5767  9U-7440  7/16-20 STOR  1 1/16-12 STOR 
299-5401  1U-9128  1U-9834  1U-9873  1P-4577  9U-7439  7/16-20 STOR  7/8-14 STOR 
300-9481  1U-9128  1U-9394  1U-9874  1P-5767  9U-7440  7/16-20 STOR  1 1/16-12 STOR 
300-9482  1U-9128  1U-9394  1U-9874  1P-5767  9U-7440  7/16-20 STOR  1 1/16-12 STOR 
333-7825  Tandem pump, see 214-1098 and 333-7826 (REHS1448) 
346-9704  1U-9128  1U-9834  1U-9873  1P-4577  9U-7439  7/16-20 STOR  7/8-14 STOR 
349-7072  1U-9128  1U-9834  1U-9873  1P-4577  9U-7439  7/16-20 STOR  7/8-14 STOR 
367-3244  Tandem pump, see 373-5871 and 373-5872 
373-5871  1U-9128  1U-9394  1U-9874  1P-5767  9U-7440  7/16-20 STOR  1 1/16-12 STOR 
373-5872  1U-9128  1U-9394  1U-9874  1P-5767  9U-7440  7/16-20 STOR  1 1/16-12 STOR 
378-2838  1U-9128  1U-9834  1U-9873  8C-3206  9U-7444  7/16-20 STOR  7/18-14 STOR 
378-2838  1U-9129  1U-9834  1U-9874  1P-5767  9U-7440  9/16–18 STOR  1 1/16–20 STOR 
386-0546  Tandem pump, see 378-2838 and 378-2847 (REHS3451) 
395–4363  1U-9127  4C-4088  1U-9870  8C-3206  9U-7444  7/16-20 STOR  7/18–14 STOR 
395-4807  1U-9127  1U-9833  1U-9870  1P-4577  9U-7444  7/16-20 STOR  7/8-14 STOR 
472-1075  1U-9128  133-2329  1U-9873  8C-3206  9U-7444  7/16-20 STOR  7/18–14 STOR 
476-0293  1U-9128  1U-9834  1U-9873  1P-4577  9U-7444  7/16-20 STOR  7/18–14 STOR 
512-4934  1U-9129   1U-9835   1U-9874   1P-4578  9U-7445  9/16-20 STOR   1 5/16-12 STOR  
533-1132  1U-9128  1U-9848  1U-9873  1P-4577  9U-7444  7/16-20 STOR  7/18–14 STOR 

Caterpillar Information System:

C9 Generator Set Model View Illustrations
3516B Generator Sets with Dynamic Gas Blending Component Location
C4.4 Engines for Caterpillar Built Machines Power Sources
C4.4 Engines for Caterpillar Built Machines Electronic Control System
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