Caterpillar Excavator Hydrostatic Pump Repair 

Caterpillar Hydrostatic Pump Repair

Caterpillar Repair Parts



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CAT 215 EXCAVATOR main piston pump

Used in pump numbers: CAT. 8J6853, 4T7025, IU4748, 9T1062.

Description HTS P/N Current OEM Parts numbers Replaces Parts numbers
Piston HE8J2037 8J2037
Barrel & Sleeves assy. HE9J3522 9J3522 9J5758
Valve plate HEIU3444 IU3444
Retainer plate HE4T7022 4T7022 8J6328 and 9J7858
Thrust plate HEIU0406 IU0406 8J6346 and 9J2857
Shaft HE3G2331 3G2331
Seal Kit HE3G1707 3G1707

We offer Caterpillar Hydrostatic Pump and Caterpillar Hydraulic Pump Parts for the following: Caterpillar Pumps, Caterpillar Motors, Caterpillar Transmissions, Caterpillar Drives, and Caterpillar Equipment When you need replacement parts for Caterpillar Hydraulic Pump Repairs, call us first.

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CAT 215 EXCAVATOR Motor

Used in pump numbers: CAT. 8J6848.

Description HTS P/N Current OEM Parts numbers Replaces Parts numbers
Piston HE8J2015 8J2015
Barrel HE9J3522 9J3522 9J5788
Valve plate HE9J7860 9J7860
Retainer plate HE4T7022 4T7022 8J6328 and 9J7858
Thrust plate HEIU0406 IU0406 8J6328 and 9J7858
Shaft HE3G2332 3G2332

We have Caterpillar Hydrostatic Pump and Caterpillar Hydraulic Pump Parts for the following: Caterpillar Pumps, Caterpillar Motors, Caterpillar Transmissions, Caterpillar Drives, and Caterpillar Equipment. When you need replacement parts for caterpillar hydraulic pump repairs give us a call!

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CAT 225 EXCAVATOR main piston pump

Used in pump numbers: CAT 8J8723, 9J9362, 4T7426, 3G3287, 8J2344, 8J4379.

Description HTS P/N Current OEM Parts numbers Replaces Parts numbers
Piston HEIU2738 IU2738 9J4936 and 8J1913
Barrel & Sleeves assy. HE9J2417 9J2417 9J8266 and 8J0538
Valve plate HE3G2859 3G2859 9J2484 and 8J2024
Retainer plate HE4T7024 4T7024 8J0489 and 8J9966
Thrust plate HE3G9671 3G9671 8J0488 and 9J0560
Shaft HE8J8654 8J8654 8J0500
Seal Kit HE3G1688 3G1688
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CAT 225 EXCAVATOR Motor

Used in pump numbers: CAT 3G0784, 8J0448, IU2767.

Description HTS P/N Current OEM Parts numbers Replaces Parts numbers
Piston HE4T3272 4T3272 8J0485 and 8J0487
Barrel & Sleeves assy. HE9J2417 9J2417 9J8266 and 8J0538
Valve plate HE3G4745 3G4745 9J1283 and 8J0481
Retainer plate HE4T7024 4T7024 8J0489 and 8J9966
Thrust plate HE3G9671 3G9671 8J0488 and 9J0560
Shaft HE8J0537 8J0537
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CAT. 225B LC & 229 EXCAVATOR, 9T3712

9T3714 Pump - GP-Rotating (Rexroth A8V0107).

Description HTS P/N Current OEM Parts numbers
Barrel HE9T3370 9T3370
Drive Shaft HE9T3384 9T3384
Valve plate HE3G4745 3G4745
Ret. Plate HE9T3366 9T3366
Valve Plate HE9T3421 9T3421
Piston Ring HE9T3745 9T3745
Center Pin HE9T3369 9T3369
Piston (7) HE9T3371 9T3371
Spacer 5.3 mm HE9T3391 9T3391
Spacer 5.4 mm HE9T3392 9T3392
Spacer 5.5 mm HE9T3393 9T3393
Spacer 5.6 mm HE9T3394 9T3394
Spacer 5.7 mm HE9T3395 9T3395
Spacer 5.8 mm HE9T3396 9T3396
Spacer 5.9 mm HE9T3397 9T3397
Spring HE9T3368 9T3368
Gear HE9T3408 9T3408
Screw HE9T2966 9T1517
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CAT 235 EXCAVATOR main piston pump

Used in pump numbers: CAT. 8J1905, IU4722, 4T2507, 4T7026, 7J8240.

Description HTS P/N Current OEM Parts numbers Replaces Parts numbers
Piston HE4T3122 4T3122 8J6897 and 4T3154
Barrel & Sleeves assy. HE9J8667 9J8667 3G2736 and 8J7332
Valve plate HE6E1332 6E1332 9J3526 and 8J6900
Retainer plate HE4T7023 4T7023 6C0415, 3G3150 and 8J0179
Thrust plate HE3G4779 3G4779 8J0171
Shaft HE8J6802 8J6802 9J2484
Seal Kit HE8J8652 8J8652
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CAT 245 EXCAVATOR swing piston pump

Used in pump numbers: CAT 4T7028, 4T7029, 3G5956, 3G1832, 6E3640, 8J4379

Description HTS P/N Current OEM Parts numbers Replaces Parts numbers
Piston IU2738 4T3122 9J4936, 9J4935, 8J1913
Barrel & Sleeves assy. HE9J2417 9J2417 9J8266, 9J3969, 8J0538
Valve plate HE9J7142 9J7142 8J8795 and 3G4670
Retainer plate HE4T7024 4T7024 8J0489 and 8J9966
Thrust plate HE3G9671 3G9671 8J0488 and 9J0560
Shaft HE6E4935 6E4935 9T2543 and 8J5470
Seal Kit HE3G1688 3G1688
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CAT. 320, 320L, & 320N EXCAVATOR

087-4824 SWING MOTOR GP PISTON Used in Rotating Gr-Pump # 087-4824 (M2X120/128)

Description HTS P/N Current OEM Parts numbers
Piston Set Assy. HE5I-8632 5I-8632
Barrel HE5I-8631 5I-8631
Retaining Plate HE5I-8636 5I-8636
Thrust Plate HE5I-8637 5I-8637
Ball Guide HE5I-8634 5I-8634
Spacer HE5I-8633 5I-8633
Valve Plate HE5I-8628 5I-8628
Drive Shaft HE5I-8640 5I-8640
Seal Kit HE5I-8828 5I-8828
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CAT. 320, 320L, & 320N EXCAVATOR

087-4827 MOTOR GP TRAVEL (Used in rotating gr-pump # 087-4629)

Description HTS P/N Current OEM Parts numbers
Piston Set Assy. W/Ret. Plate HE4I-8834 4I-8834
Barrel with Valve Plate HE7Y-4209 7Y-4209
Ball Guide HE122-5114 122-5114
Spring HE096-4389 096-4389
Spacer HE7Y-4215 7Y-4215
Camplate HE209-5909 209-5909
Drive Shaft HE209-5894 209-5894
Seal Kit HE7Y-4222 7Y-4222
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(A8V0107 REXROTH) E300B, Pump Assy. # 085-4633.

Pump # 114-0602 on 320, 320L, 320N, Excavator.

Pump # 114-0603 on 322BL, 322BLN, Excavator.

Pump # 114-0604 on 325B, 325BL, Excavator.

Description HTS P/N Current OEM Parts numbers Used in Rotating GR-Pump number
Valve Plate Upper Pump R.H. HEO99-5865 O99-5865 O87-4780 and O87-4828
Cylinder HEO87-4783 O87-4783 O87-4782
Retainer Plate HE105-1516 105-1516 O87-4782
Screw HE105-1517 105-1517 O87-4782
Center Pin HE9T-3369 9T-3369 O87-4782
Piston HEO99-5713 O99-5713 O87-4782
Ring HE9T3745 9T3745 O87-4782
Spacer 5.3 mm HE9T-3391 9T-3391 O87-4780
Spacer 5.4 mm HE9T-3392 9T-3392 O87-4780
Spacer 5.5 mm HE9T-3393 9T-3393 O87-4781
Spacer 5.6 mm HE9T-3394 9T-3394 O87-4782
Spacer 5.7 mm HE9T-3395 9T-3395 O87-4780
Spacer 5.8 mm HE9T-3396 9T-3396 O87-4780
Spacer 5.9 mm HE9T-3397 9T-3397 O87-4780
Upper-shaft HEO99-5864 O99-5864 O87-4780
Lower-shaft HEO99-5852 O99-5852 O87-4781
Shaft HEO99-5818 O99-5818 O87-4718
Gear HE9T-3408 9T-3408 O87-4718
Key HE9T-5915 9T-5915 O87-4718
Spring HE9T-3368 9T-3368 O87-4782
Valve Plate Lower Pump L.H. HEO99-5858 O99-5858 O87-4781 and O87-4828
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CAT. 320C EXCAVATOR PARTS IDENTIFICATION

173-3381 PUMP GP-PISTON.

Description HTS P/N Current OEM Parts numbers
Piston set Assy. W/Ret. Plate HE191-5709 191-5709
Barrel Assy. W/Valve Plate HE173-3498 173-3498
Barrel Assy. W/Valve Plate HE173-3496 173-3496
Idle-Shaft HE173-3392 173-3392
Shaft Drive HE173-3391 173-3391
Creep Plate HE173-3473 173-3473
Spacer HE7Y4215 7Y4215
Ball Guide HE173-3427 173-3427
Spring HE118-4057 118-4057
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CAT 322B, 322BL, 325B, 330B & 330BL EXCAVATOR 107-7029

Motor travel GP

Description HTS P/N Current OEM Parts numbers
Piston set Assy. W/Ret. Plate HE147-5860 147-5860
Barrel W/Valve Plate HE133-6777 133-6777
Guide / Ball HE122-5114 122-5114
Spacer HE7Y-4215 7Y-4215
Shaft HEO87-4629 O87-4629
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CAT. 322C EXCAVATOR PARTS IDENTIFICTION

200-3369 PUMP GP-PISTON.

Description HTS P/N Current OEM Parts numbers
Piston set Assy. W/Ret. Plate HE188-4210 188-4210
Barrel W/Valve Plate HE194-8374 194-8374
Barrel W/Valve Plate HE194-8371 194-8371
Idle-Shaft HE200-3325 200-3325
Shaft Drive HE200-3263 200-3263
Creep Plate HE129-7853 129-7853
Spacer HE7Y-4215 7Y-4215
Ball Guide HE173-3427 173-3427
Spring HE096-4839 096-4839
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CAT. 325C EXCAVATOR PARTS IDENTIFICATION

200-3414 PUMP GP-PISTON.

Description HTS P/N Current OEM Parts numbers
Piston set Assy. W/Ret. Plate HE188-4210 188-4210
Barrel W/Valve Plate HE194-8374 194-8374
Barrel W/Valve Plate HE194-8371 194-8371
Idle-Shaft HE200-3325 200-3325
Shaft Drive HE200-3417 200-3417
Creep Plate HE129-7853 129-7853
Spacer HE7Y-4215 7Y-4215
Ball Guide HE173-3427 173-3427
Spring HE096-4389 096-4389
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CATERPILLAR 325C Excavator

209-5968 Pump GP Piston parts for 204-2674 Motor & Mounting GP 5070

Description HTS P/N Current OEM Parts numbers
Piston Set w/Ret. Plate HE147-5860 147-5860
Barrel W/Valve Plate HE134-7134 134-7134
Ball Guide HE122-5114 122-5114
Spacer HE7Y-4215 7Y-4215
Spring HE118-4057 118-4057
Shaft HE209-5894 209-5894
Cam Plate HE209-5909 209-5909
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CATERPILLAR 325N, 325LN Excavators

Parts for 7Y-4260 Motor Gr. & 105-8299 Motor Gr.

Description Engrenax P/N Current OEM Parts numbers Replaces Parts numbers
Piston set Assy. W/Ret. Plate E4I-8834 4I-8834
Barrel Assy. with Valve Plate E7Y-4209 7Y-4209 102-8295
Ball-Guide E122-5114 122-5114 096-4287
Spring E096-4389 96-4389
Spacer E7Y-4215 O99-5818 7Y-4215
Cam Plate E7I-7481 7I-7481
Drive Shaft E7Y-4204 7Y-4204
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CAT 330 B & L

Excavator pump, 114-0605, 5070-017 (A8V0160)

Description HTS P/N Current OEM Parts numbers Used in pump group number
Spacer (T=9,75 MM) HE5I-8405 5I-8405 142-5519 and 142-5520
Spacer (T=9,85 MM) HE5I-8406 5I-8406 142-5519 and 142-5520
Spacer (T=9,95 MM) HE5I-8407 5I-8407 142-5519 and 142-5520
Spacer (T=10,05 MM) HE5I-8408 5I-8408 142-5519 and 142-5520
Spacer (T=10,15 MM) HE5I-8409 5I-8409 142-5519 and 142-5520
Spacer (T=10,25 MM) HE5I-8410 5I-8410 142-5519 and 142-5520
Spacer (T=10,35 MM) HE5I-8411 5I-8411 142-5519 and 142-5520
Spacer (T=10,45 MM) HE5I-8412 5I-8412 142-5519 and 142-5520
Spacer (T=10,55 MM) HE5I-8413 5I-8413 142-5519 and 142-5520
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CAT 330 B & L

Excavator pump, 114-0605, 5070-017 (A8V0160)

Description HTS P/N Current OEM Parts numbers Used in pump group number
Shaft with bearing assy. HE5I-4470 5I-4470 126-2146 Pump gr.
Key HE7Y-5270 7Y-5270 126-2146 Pump gr.
Gear HE5I-4469 5I-4469 126-2146 Pump gr.
Shaft HE5I-8449 5I-8449 51-4081 Drive gr.
Gear HE129-8001 129-8001 129-7999 Drive gr.
Drive shaft-lower pump HE5I-4475 5I-4475 142-5519 Rotating gr.
Valve plate-lower pump HE5I-4476 5I-4476 142-5519 Rotating gr.
Piston Ring HE5I-8402 5I-8402 142-5519 Rotating gr.
Spring HE5I-8403 5I-8403 142-5519 Rotating gr.
Cylinder (barrel) HE5I-4311 5I-4311 142-5519 Rotating gr.
Retaining-plate HE5I-8404 5I-8404 142-5519 Rotating gr.
Screw HE113-4420 113-4420 142-5519 Rotating gr.
Center Pin HE5I-4403 5I-4403 142-5519 Rotating gr.
Valve plate-upper pump HE5I-4486 5I-4486 142-5519 Rotating gr.
Piston HE5I-8401 5I-8401 142-5519 Rotating gr.
Shaft-upper pump HE5I-4485 5I-4485 142-5519 Rotating gr.
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CATERPILLAR M318 Wheel Excavator 111-2012 Motor GP-Travel

Description HTS P/N Current OEM Parts numbers
Piston HE121-9916 121-9916
Housing Barrel HE121-9926 121-9926
Ret. Plate Washer HE121-9917 121-9917
Valve Plate HE121-9932 121-9932
Shaft HE121-9912 121-9912

For a list of our Eaton pumps and prices, go to our Eaton hydrostatic parts page

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