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378-9277 ROTATING GP-MOTOR S/N 5121-UP; C741-UP PART OF 353-5924 MOTOR GP-PISTON CP74B VIBRATORY COMPACTOR


HYDRAULIC SYSTEM
MOTOR GP
PUMP GP
TANK GP
VALVE GP-BANK
VALVE GP-CONTROL
VALVE GP-FLUSHING

VIBRATORY COMPACTOR CP74B VIBRATORY COMPACTOR 512
 CS74B, CP74B Vibratory Soil Compactor 51200001-UP (MACHINE) POWERED BY C7.1 Engine M0066238 CP74B 512   (2016)

HYDRAULIC SYSTEM

MOTOR GP
MOTOR GP-GEAR
395-0521 MOTOR GP-GEAR
MOTOR GP-PISTON
353-5924 MOTOR GP-PISTON
MOTOR GP-PISTON
353-5925 MOTOR GP-PISTON
MOTOR GP-PISTON
353-5934 MOTOR GP-PISTON
ROTATING GP-MOTOR
137-4581 ROTATING GP-MOTOR
ROTATING GP-MOTOR
313-7040 ROTATING GP-MOTOR
ROTATING GP-MOTOR
369-4726 ROTATING GP-MOTOR
ROTATING GP-MOTOR
378-9277 ROTATING GP-MOTOR
 

#M00662380310
 

378-9277: ROTATING GP-MOTOR

378-9277 ROTATING GP-MOTOR
S/N 5121-UP; C741-UP
PART OF 353-5924 MOTOR GP-PISTON
i04628769 M0066238
3789277 ROTATING GP-MOTOR Parts scheme
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Parts for your CP74B VIBRATORY COMPACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8T-4241 [1] RING-RETAINING  
2. 141-0244 [1] BEARING AS  
3. 133-8929 [1] BEARING AS  
4. 137-4581 Y [1] ROTATING GP-MOTOR (PROPEL)  
5. 234-2872 [1] SHIM (3.90-MM THK)  
6. 141-0235 B [1] SHIM (2.65-MM THK)  
7. 141-0236 B [1] SHIM (2.7-MM THK)  
8. 141-0237 B [1] SHIM (2.75-MM THK)  
9. 141-0238 B [1] SHIM (2.8-MM THK)  
10. 141-0239 B [1] SHIM (2.85-MM THK)  
11. 141-0240 B [1] SHIM (2.9-MM THK)  
12. 141-0241 B [1] SHIM (2.95-MM THK)  
13. 141-0242 B [1] SHIM (3-MM THK)  
   
    PARTS SHOWN IN GRAPHIC(S) WITHOUT A REFERENCE NUMBER ARE NOT SERVICED SEPARATELY
  B   USE AS REQUIRED
  Y   SEPARATE ILLUSTRATION
 

#M00662380311
 

356-6896: ROTATING GP-PUMP

356-6896 ROTATING GP-PUMP
S/N 5121-UP; C741-UP
PART OF 389-8423, 389-8424 PUMP GP-PISTON
AN ATTACHMENT
i04896938 M0066238
3566896 ROTATING GP-PUMP Parts scheme
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Parts for your CP74B VIBRATORY COMPACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 212-4483 [1] RING-RETAINING  
2. 194-1983 [1] SEAL-SHAFT  
3. 126-9587 [1] RING-RETAINING  
4. 117-7251 [1] BEARING  
5. 108-3565 [1] CLIP  
6. 251-1752 [1] ROTATING GP-PUMP  
    (INCLUDES SNAP RING, SHIMS, SPRING, SPRING SET, RETAINER, RETAINER PLATE, PISTON & CYLINDER)
7. 251-1803 [1] PLATE-CONTROL  
 

#M00662380312
 

382-9224: ROTATING GP-PUMP

382-9224 ROTATING GP-PUMP
S/N 5121-UP; C741-UP
PART OF 458-7912 PUMP GP-PISTON
i04896382 M0066238
3829224 ROTATING GP-PUMP Parts scheme
  For full view, you need register

Parts for your CP74B VIBRATORY COMPACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 142-9439 [1] BEARING AS  
2. 382-9239 [1] LINER-BEARING  
3. 382-9236 [1] PLATE-CONTROL  
4. 382-9233 [1] BARREL GP-PUMP (PISTON PUMP)  
4A. 382-9241 [1] BEARING-SPHERICAL  
4B. 8C-3312 [1] RING-RETAINING  
5. 382-9240 [1] BEARING-CRADLE  
6. 6V-5201 [1] RING-RETAINING  
7. 382-9234 [1] KIT-SEAL (PISTON PUMP)  
    (INCLUDES RETAINER RING & SHAFT SEAL)
 

#M00662380313
 

382-9225: ROTATING GP-PUMP

382-9225 ROTATING GP-PUMP
S/N 5121-UP; C741-UP
PART OF 458-7912 PUMP GP-PISTON
i04896388 M0066238
3829225 ROTATING GP-PUMP Parts scheme
  For full view, you need register

Parts for your CP74B VIBRATORY COMPACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 159-9854 [1] RING-RETAINING  
2. 142-9439 [1] BEARING AS  
3. 382-9239 [1] LINER-BEARING  
4. 6V-5201 [1] RING-RETAINING  
5. 382-9242 [1] PLATE-CONTROL  
6. 382-9233 [1] BARREL GP-PUMP  
6A. 382-9241 [1] BEARING-SPHERICAL  
6B. 8C-3312 [1] RING-RETAINING  
7. 382-9240 [1] BEARING-CRADLE  
 

#M00662380314
 

374-9821: TANK & MTG GP-HYDRAULIC

374-9821 TANK & MTG GP-HYDRAULIC
S/N 5121-UP; C741-UP
PART OF 453-1527, 453-1528 CHASSIS AR
i04913501 M0066238
3749821 TANK & MTG GP-HYDRAULIC Parts scheme
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Parts for your CP74B VIBRATORY COMPACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5P-4961 [2] CLAMP-HOSE  
2. 246-2641 [1] PADLOCK GP  
  5P-8500 [1] KEY  
3. 145-3846 [1] INSERT-NYLON  
4. 178-3620 [1] STRAP-DUAL CLAMP  
5. 183-3873 [1] BREATHER (HYDRAULIC TANK)  
6. 200-6345 [1] SADDLE-MOUNTING (DUAL SWIVEL)  
7. 327-0325 [2] STRAP-CABLE  
8. 374-9823 Y [1] TANK GP-HYDRAULIC  
9. 127-5588 [1] COUPLING-REDUCER  
10. 8T-4121 [6] WASHER-HARD (11X21X2.5-MM THK)  
11. 8T-4196 M [6] BOLT (M10X1.5X35-MM)  
12. 5P-1442 E HOSE (177-CM)  
13. 7K-1181 [3] STRAP-CABLE  
  E   ORDER BY THE CENTIMETER
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#M00662380315
 

374-9823: TANK GP-HYDRAULIC

374-9823 TANK GP-HYDRAULIC
S/N 5121-UP; C741-UP
PART OF 374-9821 TANK & MTG GP-HYDRAULIC
i04913502 M0066238
3749823 TANK GP-HYDRAULIC Parts scheme
  For full view, you need register

Parts for your CP74B VIBRATORY COMPACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5P-4924 [1] ELBOW  
2. 9U-6994 [1] ADAPTER AS  
  5P-4362 [1] CONNECTOR  
  7M-8485 [1] SEAL-O-RING  
3. 9U-6996 [1] CONNECTOR AS  
  5P-1947 [1] CONNECTOR  
  6K-6307 [1] SEAL-O-RING  
4. 142-8937 [1] CAP AS-FILLER (LOCKABLE)  
5. 265-5644 [1] GAUGE GP-SIGHT (HYDRAULIC TANK OIL)  
6. 363-3445 [1] STRAINER AS (HYDRAULIC TANK)  
  030-4606 [1] SEAL-O-RING  
7. 374-9825 [1] TANK AS-HYDRAULIC  
8. 374-9830 [2] TREAD-NONSKID  
9. 148-8335 [1] CONNECTOR AS  
  5K-9090 [1] SEAL-O-RING  
  6V-8635 [1] CONNECTOR  
  7M-8485 [1] SEAL-O-RING  
10. 250-1476 [1] TEE AS  
  3J-1907 [1] SEAL-O-RING  
  4J-5477 [2] SEAL-O-RING  
  086-9035 [1] TEE  
11. 241-6185 [1] PLUG AS  
  3D-2824 [1] SEAL-O-RING  
  5P-9436 [1] PLUG  
12. 3J-1907 [1] SEAL-O-RING  
 

#M00662380316
 

378-7699: VALVE & MTG GP-AUXILIARY

378-7699 VALVE & MTG GP-AUXILIARY
S/N 5121-UP; C741-UP
PART OF 374-9753 HYDRAULIC AR-AUXILIARY
i04921453 M0066238
3787699 VALVE & MTG GP-AUXILIARY Parts scheme
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Parts for your CP74B VIBRATORY COMPACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 145-7028 Y [1] SENSOR GP-TEMPERATURE (HYDRAULIC OIL)  
2. 358-9497 [1] VALVE GP-BYPASS (HYDRAULIC OIL)  
  128-2034 [1] VALVE AS-BYPASS (OIL TEMPERATURE)  
  207-2055 [1] GASKET  
  358-8236 [1] BODY-VALVE  
3. 148-8335 [2] CONNECTOR AS  
    (EACH INCLUDES)
  5K-9090 [1] SEAL-O-RING  
  6V-8635 [1] CONNECTOR  
  7M-8485 [1] SEAL-O-RING  
4. 148-8390 [1] ELBOW AS  
  2M-9780 [1] SEAL-O-RING  
  6V-8626 [1] ELBOW  
  7J-9108 [1] SEAL-O-RING  
5. 150-3050 [1] CONNECTOR AS  
  6V-7486 [1] CONNECTOR  
  7M-8485 [1] SEAL-O-RING  
6. 153-6232 [1] ELBOW AS  
  3D-2824 [1] SEAL-O-RING  
  7J-9108 [1] SEAL-O-RING  
  8T-0120 [1] ELBOW  
7. 155-3503 [1] TEE AS  
  2M-9780 [1] SEAL-O-RING  
  6V-8776 [1] TEE-FACE SEAL  
  7J-9108 [2] SEAL-O-RING  
8. 7J-0204 [1] SEAL-O-RING  
9. 8T-4121 [2] WASHER-HARD (11X21X2.5-MM THK)  
10. 8T-5005 M [2] BOLT (M10X1.5X70-MM)  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#M00662380317
 

377-4608: VALVE & MTG GP-CONTROL

377-4608 VALVE & MTG GP-CONTROL -SHIFT
S/N 5121-UP; C741-UP
PART OF 374-9744, 374-9757 HYDRAULIC AR
i04906820 M0066238
3774608 VALVE & MTG GP-CONTROL Parts scheme
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Parts for your CP74B VIBRATORY COMPACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 276-2609 Y [1] VALVE GP-SOLENOID  
2. 148-8325 [1] CONNECTOR AS  
  3J-1907 [1] SEAL-O-RING  
  4J-5477 [1] SEAL-O-RING  
  6V-8641 [1] CONNECTOR  
3. 148-8368 [2] ELBOW AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  4J-5477 [1] SEAL-O-RING  
  6V-8627 [1] ELBOW  
4. 148-8448 [1] TEE AS  
  4J-5477 [2] SEAL-O-RING  
  6V-9842 [1] TEE-SWIVEL  
5. 8C-8451 M [2] BOLT (M6X1X40-MM)  
6. 9X-8256 [2] WASHER (6.6X12X2-MM THK)  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#M00662380318
 

369-4728: VALVE GP-FLUSHING

369-4728 VALVE GP-FLUSHING -PROPEL MOTOR
S/N 5121-UP; C741-UP
PART OF 353-5924, 353-5925 MOTOR GP-PISTON
i04618114 M0066238
3694728 VALVE GP-FLUSHING Parts scheme
  For full view, you need register

Parts for your CP74B VIBRATORY COMPACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 124-9899 [2] SPACER  
2. 139-7761 [1] SPOOL  
3. 124-9900 [2] SPRING  
4. 124-9891 [2] PLUG  
5. 5J-2974 [2] SEAL-O-RING  
6. 124-9898 [1] PLUG  
7. 124-9906 [1] SHIM (0.5-MM THK)  
8. 124-9904 [1] SHIM (1-MM THK)  
9. 124-9905 [1] SHIM (0.3-MM THK)  
10. 124-9901 [1] SPRING  
11. 6V-8351 [1] SEAL-O-RING  
12. 124-9896 [1] VALVE-PISTON (PROPEL MOTOR)  
13. 373-2010 [1] ORIFICE  
14. 125-4572 [1] RING-RETAINING  
15. 8T-8442 M [4] BOLT-SOCKET HEAD (M6X1X30-MM)  
  M   METRIC PART
 

#M00662380319
 

373-2009: VALVE GP-FLUSHING

373-2009 VALVE GP-FLUSHING -STEERING
S/N 5121-UP; C741-UP
PART OF 353-5934 MOTOR GP-PISTON
i04519949 M0066238
3732009 VALVE GP-FLUSHING Parts scheme
  For full view, you need register

Parts for your CP74B VIBRATORY COMPACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 124-9891 [2] PLUG  
2. 107-3117 [2] SEAL-O-RING  
3. 124-9900 [2] SPRING  
4. 124-9899 [2] SPACER  
5. 125-4572 [1] RING-RETAINING  
6. 373-2010 [1] ORIFICE  
7. 124-9896 [1] VALVE-PISTON  
8. 124-9901 [1] SPRING  
9. 124-9904 B [1] SHIM (1-MM THK)  
10. 124-9905 B [1] SHIM (0.3-MM THK)  
11. 124-9906 B [1] SHIM (0.5-MM THK)  
12. 6V-8351 [1] SEAL-O-RING  
13. 109-4441 [1] PLUG  
14. 8T-8442 M [4] BOLT-SOCKET HEAD (M6X1X30-MM)  
15. 9T-3928 [2] PLUG AS  
    (EACH INCLUDES)
  187-8001 [1] SEAL  
16. 107-3118 [2] SEAL-O-RING  
17. 109-3204 [1] SEAL-O-RING  
  B   USE AS REQUIRED
  M   METRIC PART
 

Information:

Specifications
Piston Motor (Drum Propel)
CS74B, CP74B and CS78B VIBRATORY SOIL COMPACTOR Propel System
Piston Motor (Axle Propel)
CS74B, CP74B and CS78B VIBRATORY SOIL COMPACTOR Propel System
Systems Operation
Piston Motor (Wheel Propel)
CP74B, CS74B, CS76B, CS78B and CS79B Vibratory Soil Compactors Propel System
Hydraulic Schematic (Propel System)
CP74B, CS74B, CS76B, CS78B and CS79B Vibratory Soil Compactors Propel System
Propel System Components
CP74B, CS74B, CS76B, CS78B and CS79B Vibratory Soil Compactors Propel System
Piston Motor (Vibratory)
CP74B, CS74B, CS78B and CS79B Vibratory Soil Compactors Machine Systems
General Information (Fan Drive Hydraulic System)
CP74B, CS74B, CS78B and CS79B Vibratory Soil Compactors Machine Systems
Location of Components (Fan Drive Hydraulic System)
CP74B, CS74B, CS78B and CS79B Vibratory Soil Compactors Machine Systems
Gear Motor (Hydraulic Fan)
CP74B, CS74B, CS78B and CS79B Vibratory Soil Compactors Machine Systems
Reuse And Salvage Guidelines
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 9, 10, and 11) {5061, 506G, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 9, 10, and 11) {5061, 506G, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 1, 2, and 3) {5061, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 1, 2, and 3) {5061, 5073}
General Reuse and Salvage Guideline for Hydraulic Piston Pumps and Motors {5058, 5070}
General Reuse and Salvage Guideline for Hydraulic Piston Pumps and Motors {5058, 5070}
Testing and Adjusting
Case Drain Flow for Piston Motor (Vibratory) - Test
CP74B, CS74B, CS78B and CS79B Vibratory Soil Compactors Machine Systems
Case Drain Flow for Piston Motor (Axle Propel) - Test
CP74B, CS74B, CS76B, CS78B and CS79B Vibratory Soil Compactors Propel System
Case Drain Flow for Piston Motor (Drum Propel) - Test
CP74B, CS74B, CS76B, CS78B and CS79B Vibratory Soil Compactors Propel System
Flushing Valve (Vibratory Motor) - Test
CP74B, CS74B, CS78B and CS79B Vibratory Soil Compactors Machine Systems
Flushing Valve (Axle Propel Motor, Drum Propel Motor) - Test and Replace
CP74B, CS74B, CS76B, CS78B and CS79B Vibratory Soil Compactors Propel System
Fan Motor Speed (Radiator Cooling) - Calibrate
CP74B, CS74B, CS78B and CS79B Vibratory Soil Compactors Machine Systems
Troubleshooting
Cooling Fan - Calibrate - If Applicable
C4.4 and C7.1 Engines
Cooling Fan Control - Test
C4.4 and C7.1 Engines
Cooling Fan Reversing - Test
C4.4 and C7.1 Engines
Disassembly and Assembly
Piston Motor (Axle Propel) - Remove and Install
CP74B, CS74B, CP76B, CS76B, CS78B and CS79B Vibratory Soil Compactors Machine Systems
Piston Motor (Drum Propel) - Remove and Install
CP74B, CS74B, CP76B, CS76B, CS78B and CS79B Vibratory Soil Compactors Machine Systems
Piston Motor (Vibratory) - Remove and Install
CP74B, CS74B, CP76B, CS76B, CS78B and CS79B Vibratory Soil Compactors Machine Systems
Piston Motor (Drum Propel) - Disassemble
CP74B, CS74B, CP76B, CS76B, CS78B and CS79B Vibratory Soil Compactors Machine Systems
Piston Motor (Drum Propel) - Assemble
CP74B, CS74B, CP76B, CS76B, CS78B and CS79B Vibratory Soil Compactors Machine Systems
Piston Motor (Vibratory) - Disassemble
CP74B, CS74B, CP76B, CS76B, CS78B and CS79B Vibratory Soil Compactors Machine Systems
Piston Motor (Vibratory) - Assemble
CP74B, CS74B, CP76B, CS76B, CS78B and CS79B Vibratory Soil Compactors Machine Systems
Piston Motor (Axle Propel) - Disassemble
CP74B, CS74B, CP76B, CS76B, CS78B and CS79B Vibratory Soil Compactors Machine Systems
Piston Motor (Axle Propel) - Assemble
CP74B, CS74B, CP76B, CS76B, CS78B and CS79B Vibratory Soil Compactors Machine Systems
Fan and Gear Motor (Hydraulic Fan) - Remove and Install
CP56B, CS56B, CP68B, CS68B, CP74B, CS74B, CP76B, CS78B and CS79B Vibratory Soil Compactor Engine Supplement

Caterpillar Parts SIS Catalog CP74B :

ROTATING GP-MOTOR
369-4726 ROTATING GP-MOTOR
ROTATING GP-MOTOR
313-7040 ROTATING GP-MOTOR
ROTATING GP-MOTOR
137-4581 ROTATING GP-MOTOR
PUMP GP-PISTON
458-7912 PUMP GP-PISTON
PUMP GP-PISTON
389-8424 PUMP GP-PISTON
PUMP GP-PISTON
389-8423 PUMP GP-PISTON
MOTOR GP-PISTON
353-5934 MOTOR GP-PISTON
MOTOR GP-PISTON
353-5925 MOTOR GP-PISTON
ROTATING GP-PUMP
356-6896 ROTATING GP-PUMP
ROTATING GP-PUMP
382-9224 ROTATING GP-PUMP
ROTATING GP-PUMP
382-9225 ROTATING GP-PUMP
TANK & MTG GP-HYDRAULIC
374-9821 TANK & MTG GP-HYDRAULIC
TANK GP-HYDRAULIC
374-9823 TANK GP-HYDRAULIC
VALVE & MTG GP-AUXILIARY
378-7699 VALVE & MTG GP-AUXILIARY
VALVE & MTG GP-CONTROL
377-4608 VALVE & MTG GP-CONTROL
VALVE GP-FLUSHING
369-4728 VALVE GP-FLUSHING
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The names Cat, Caterpillar, John Deere, Komatsu, Volvo, Hitachi, Doosan, JCB, Hyundai or any other original equipment manufacturers are registered trademarks of the respective original equipment manufacturers. All names, descriptions, numbers and symbols are used for reference purposes only.
AVSpare.com is in no way associated with any of the manufacturers we have listed. All manufacturer's names and descriptions are for reference only. Cat® and Caterpillar® are registered trademarks of Caterpillar, Inc.