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398-7468 MOTOR GP-PISTON -HYDROSTATIC DRIVE PART OF 447-8051 HYDRAULIC AR 908K WHEEL LOADER


HYDRAULIC SYSTEM
MOTOR GP
VALVE GP-CONTROL
CYLINDER GP
KICKOUT & POSITIONER GP
PUMP GP
TANK GP
LINES GP-PILOT
VALVE GP-CHECK

WHEEL LOADER 908K WHEEL LOADER L88
 908K Compact Wheel Loader L8800001-UP (MACHINE) POWERED BY C3.3B Engine SEBP7495 908K L88   (2015)

HYDRAULIC SYSTEM

MOTOR GP
MOTOR & MTG GP-HYDRAULIC FAN
447-9416 MOTOR & MTG GP-HYDRAULIC FAN
MOTOR & MTG GP-HYDRAULIC FAN
449-1877 MOTOR & MTG GP-HYDRAULIC FAN
447-9417 MOTOR AR-HYDRAULIC FAN
MOTOR GP-GEAR
257-4009 MOTOR GP-GEAR
MOTOR GP-GEAR
442-5651 MOTOR GP-GEAR
MOTOR GP-PISTON
398-7468 MOTOR GP-PISTON
VALVE GP-MOTOR CONTROL
289-6364 VALVE GP-MOTOR CONTROL
 

#SEBP74950310
 

398-7468: MOTOR GP-PISTON

398-7468 MOTOR GP-PISTON -HYDROSTATIC DRIVE
PART OF 447-8051 HYDRAULIC AR
i05508249 SEBP7495
3987468 MOTOR GP-PISTON Parts scheme
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Parts for your 908K WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 487-6183 [1] ROTATING GP-MOTOR  
2. 124-9913 [1] SEAL-SHAFT  
3. 124-9914 [1] SHIM (3-MM THK)  
4. 2W-1145 [1] RING-RETAINING (INTERNAL)  
5. 6E-3283 M [2] LOCKNUT (M12X1.75-THD)  
6. 6F-4718 [1] SEAL-O-RING  
7. 258-0129 [6] SEAL-O-RING  
8. 6V-8200 M [8] BOLT-SOCKET HEAD (M12X1.75X35-MM)  
9. 123-5787 [2] SEAT  
10. 301-7890 Y [2] VALVE GP-CHECK  
11. 289-6364 Y [1] VALVE GP-MOTOR CONTROL (HYDROSTATIC)  
12. 289-6366 Y [1] VALVE GP-FLUSHING (HYDROSTATIC DRIVE MOTOR)  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP74950311
 

449-1876: MOUNTING GP-CONTROL VALVE

449-1876 MOUNTING GP-CONTROL VALVE
PART OF 447-8051 HYDRAULIC AR
i06047017 SEBP7495
4491876 MOUNTING GP-CONTROL VALVE Parts scheme
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Parts for your 908K WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 169-0908 [3] MOUNT AS  
2. 449-1875 [1] PLATE AS  
  8T-3612 M [1] NUT-WELD (M8X1.25-THD)  
  159-9541 M [2] NUT-WELD (M10X1.5-THD)  
  307-0750 [1] STUD-WELD  
3. 8T-4121 [3] WASHER-HARD (11X21X2.5-MM THK)  
4. 8T-4136 M [3] BOLT (M10X1.5X25-MM)  
5. 8T-4182 M [3] BOLT (M10X1.5X45-MM)  
6. 8T-4226 [3] WASHER-PLATED (10.5X45X3-MM THK)  
  M   METRIC PART
 

#SEBP74950312
 

9R-4668: MOUNTING GP-CYLINDER

9R-4668 MOUNTING GP-CYLINDER -MULTIPURPOSE BUCKET
PART OF 337-8930, 337-8940, 337-8950, 337-8960, 463-9908, 463-9909, 492-2508, 492-2509 BUCKET AR-MULTIPURPOSE
AN ATTACHMENT
i00444689 SEBP7495
9R4668 MOUNTING GP-CYLINDER Parts scheme
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Parts for your 908K WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9R-4677 [2] PIN  
2. 3B-5317 [4] PIN-COTTER  
3. 9R-4678 [2] PIN  
4. 3B-8489 [4] FITTING-GREASE (1/8-27 PTF)  
 

#SEBP74950313
 

260-5386: POSITIONER GP-WORK TOOL

260-5386 POSITIONER GP-WORK TOOL -RETURN TO DIG
PART OF 447-0743, 447-0747, 463-8328, 463-8332 CONTROL AR-HYDRAULIC
AN ATTACHMENT
i02698931 SEBP7495
2605386 POSITIONER GP-WORK TOOL Parts scheme
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Parts for your 908K WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3S-2093 [1] STRAP-CABLE  
2. 5P-0599 [2] CLAMP-BAND  
3. 9R-2053 [2] BLOCK  
4. 110-8760 [2] STRAP  
5. 270-5143 [3] TIE-PUSH MOUNT  
6. 284-0074 [1] SENSOR AS-POSITION (RETURN TO DIG)  
  284-0075 [1] TUBE AS  
  284-0077 [1] ROD AS  
  284-0078 [1] SWITCH AS (RETURN TO DIG)  
  295-8141 [1] CLIP  
  295-8142 [2] SEAL-O-RING  
  295-8143 [2] SEAL-O-RING  
7. 284-0079 [1] SPACER (50.2X65X3-MM THK)  
8. 284-0080 [1] SPACER (50.2X65X10-MM THK)  
9. 8L-9811 [2] RING-RETAINING  
10. 9G-4191 [2] GROMMET  
 

#SEBP74950314
 

446-6339: PUMP & MTG GP-HYDRAULIC

446-6339 PUMP & MTG GP-HYDRAULIC -IMPLEMENT, STEERING
PART OF 447-8051 HYDRAULIC AR
i06047014 SEBP7495
4466339 PUMP & MTG GP-HYDRAULIC Parts scheme
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Parts for your 908K WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 455-7972 Y [1] PUMP GP-GEAR  
2. 8T-4223 [2] WASHER-HARD (13.5X25.5X3-MM THK)  
3. 8T-4956 M [2] BOLT (M12X1.75X35-MM)  
4. 8T-5049 [1] SEAL-O-RING  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP74950315
 

455-7972: PUMP GP-GEAR

455-7972 PUMP GP-GEAR -STEERING
PART OF 446-6339 PUMP & MTG GP-HYDRAULIC
i06047021 SEBP7495
4557972 PUMP GP-GEAR Parts scheme
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Parts for your 908K WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 183-8004 M [4] BOLT-SOCKET HEAD (M10X1.5X180-MM)  
2. 5W-1401 [8] WASHER (10.5X18X1.6-MM THK)  
3. 150-5866 M [4] BOLT-SOCKET HEAD (M14X2X65-MM)  
4. 271-2360 [4] WASHER-HARD (15X22X2.5-MM THK)  
   
    PARTS SHOWN IN GRAPHIC(S) WITHOUT A REFERENCE NUMBER ARE NOT SERVICED SEPARATELY
   
    AVAILABLE REPAIR KIT(S):
  287-3617 [1] KIT-SEAL  
    (INCLUDES SEALS, RETAINING RING & PARTS MARKED H IN THE GRAPHIC)
  M   METRIC PART
 

#SEBP74950316
 

358-5020: PUMP GP-PISTON

358-5020 PUMP GP-PISTON -HYDROSTATIC
PART OF 447-8051 HYDRAULIC AR
i06047034 SEBP7495
3585020 PUMP GP-PISTON Parts scheme 3585020 PUMP GP-PISTON Parts scheme
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Parts for your 908K WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2H-5549 [1] RING-RETAINING (INTERNAL)  
2. 1J-6474 [1] RING-RETAINING (EXTERNAL)  
3. 9S-8008 [2] PLUG (1-1/16-12-THD)  
4. 3D-2824 L [2] SEAL-O-RING  
5. 9S-8002 [2] PLUG (7/16-20-THD)  
6. 3J-7354 L [2] SEAL-O-RING  
7. 378-2831 [1] KIT-SWASHPLATE  
8. 311-0325 [1] KIT-RELIEF VALVE (RELIEF)  
    (INCLUDES NUT, VALVE-RELIEF, & O-RING SEAL)
9. 442-5653 [2] VALVE GP-RELIEF (PISTON PUMP)  
    (EACH INCLUDES)
  160-5656 [1] SEAL-O-RING  
  243-2709 [1] SEAL-O-RING  
10. 8T-0273 M [2] BOLT-SOCKET HEAD (M12X1.75X40-MM)  
11. 8C-8729 M [4] BOLT-SOCKET HEAD (M12X1.75X80-MM)  
12. 9S-8004 [4] PLUG (9/16-18-THD)  
13. 3J-1907 L [4] SEAL-O-RING  
14. 8T-8441 M [4] BOLT-SOCKET HEAD (M12X1.75X25-MM)  
15. 099-2374 M [6] BOLT-SOCKET HEAD (M5X0.8X12-MM)  
16. 108-4578 [1] BEARING-ROLLER  
17. 311-8132 [1] PLATE-THRUST  
18. 436-3729 [1] SHAFT  
19. 311-8130 [1] BEARING  
20. 278-8739 [1] ROTATING GP-PUMP (CONVEYOR)  
21. 278-8747 [1] SHAFT-DRIVE  
22. 7M-8485 [1] SEAL-O-RING  
23. 455-7976 [1] VALVE & MTG GP-PUMP CONTROL  
24. 455-7973 [1] KIT-PISTON  
    (INCLUDES PARTS MARKED 'S'IN THE GRAPHICS)
25. [1] PLATE-VALVE  
26. 9S-9334 [1] PLUG (1-5/16-12-THD)  
   
    PARTS SHOWN IN GRAPHIC(S) WITHOUT A REFERENCE NUMBER ARE NOT SERVICED SEPARATELY
   
    AVAILABLE REPAIR KIT(S):
  310-8019 L [1] KIT-SEAL  
    (INCLUDES PARTS MARKED 'N'IN THE GRAPHICS)
  341-7637 [1] KIT-BEARING  
    (INCLUDES PARTS MARKED 'J'IN THE GRAPHICS)
  L   KIT MARKED L SERVICES PART(S) MARKED L
  M   METRIC PART
 

#SEBP74950317
 

377-7530: TANK GP-HYDRAULIC

377-7530 TANK GP-HYDRAULIC
PART OF 437-9016 CHASSIS AR
i04692669 SEBP7495
3777530 TANK GP-HYDRAULIC Parts scheme
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Parts for your 908K WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7K-1181 [1] STRAP-CABLE  
2. 142-8937 [1] CAP AS-FILLER (LOCKABLE)  
3. 185-2245 [1] ADAPTER AS  
  6V-9746 [1] SEAL-O-RING  
  157-8510 [1] ADAPTER  
4. 206-8818 [1] STRAINER (HYDRAULIC TANK)  
5. 254-1098 [1] STRAINER (HYDRAULIC TANK)  
6. 258-2829 [1] BREATHER (HYDRAULIC TANK)  
7. 357-4621 [1] CONNECTOR AS  
  033-6783 [1] FITTING  
  238-5082 [1] SEAL-O-RING  
8. 377-7531 [1] TANK GP-HYDRAULIC  
  249-8059 [2] GAUGE AS-OIL LEVEL (HYDRAULIC TANK)  
9. 377-7654 [1] PLATE  
10. 398-9283 I [1] HOSE AS  
11. 132-5789 [1] CLIP (LADDER)  
12. 289-9139 [1] CLAMP-BAND  
13. 8T-4189 M [1] BOLT (M8X1.25X20-MM)  
14. 8T-4191 M [4] BOLT (M10X1.5X16-MM)  
15. 8T-4196 M [3] BOLT (M10X1.5X35-MM)  
16. 8T-4222 [7] WASHER-PLATED (11X32X2.5-MM THK)  
17. 8T-4224 [1] WASHER-HARD (8.8X16X2-MM THK)  
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  M   METRIC PART
 

#SEBP74950318
 

260-5411: VALVE & MTG GP-SOLENOID

260-5411 VALVE & MTG GP-SOLENOID
PART OF 447-3637 LINES GP-PILOT
AN ATTACHMENT
i02762072 SEBP7495
2605411 VALVE & MTG GP-SOLENOID Parts scheme
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Parts for your 908K WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 249-7160 [1] VALVE GP-SOLENOID (12-VOLT)(AXLE SPEED SELECT)  
  238-4626 [2] COIL AS (12-VOLT)  
 

#SEBP74950319
 

301-7890: VALVE GP-CHECK

301-7890 VALVE GP-CHECK -HYDROSTATIC DRIVE MOTOR
PART OF 398-7468 MOTOR GP-PISTON
i04891244 SEBP7495
3017890 VALVE GP-CHECK Parts scheme
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Parts for your 908K WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 033-6039 [1] SEAL-O-RING  
2. 242-0262 [1] RING-BACKUP  
3. 269-4676 [1] SEAL-O-RING  
 

Information:

Special Instruction
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Technical Information Bulletin
Incorrect Speed Calibration for Hydraulic Fan Motor and Mounting Group on Certain Compact Wheel Loaders {1386}
Incorrect Speed Calibration for Hydraulic Fan Motor and Mounting Group on Certain Compact Wheel Loaders {1386}
Drive Motor Hydraulic Plugs Can Leak and Replacement Parts Are Not Listed For Certain Compact Wheel Loaders {5058}
Drive Motor Hydraulic Plugs Can Leak and Replacement Parts Are Not Listed For Certain Compact Wheel Loaders {5058}
Specifications
Gear Motor (Hydraulic Fan)
906K, 906M, 907K, 907M, 908K and 908M Compact Wheel Loaders Hydraulic and Steering System
Solenoid Valve (Demand Fan)
906K, 906M, 907K, 907M, 908K and 908M Compact Wheel Loaders Hydraulic and Steering System
Piston Motor (Hydrostatic)
906K, 906M, 907K, 907M, 908K and 908M Compact Wheel Loaders Hydraulic and Steering System
Gear Motor (Hydraulic Fan)
906K, 906M, 907K, 907M, 908K and 908M Compact Wheel Loaders Hydraulic and Steering System
Systems Operation
Hydraulic Fan System
906K, 906M, 907K, 907M, 908K and 908M Compact Wheel Loaders Hydraulic and Steering System
Gear Motor (Hydraulic Fan)
906K, 906M, 907K, 907M, 908K and 908M Compact Wheel Loaders Hydraulic and Steering System
Reuse And Salvage Guidelines
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
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
Hydraulic Fan Speed - Test and Adjust
906K, 906M, 907K, 907M, 908K and 908M Compact Wheel Loaders Hydraulic and Steering System
Bench Test Procedures
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Disassembly and Assembly
Gear Motor (Hydraulic Fan) - Remove
906K, 907K and 908K Compact Wheel Loader Engine Supplement
Gear Motor (Hydraulic Fan) - Install
906K, 907K and 908K Compact Wheel Loader Engine Supplement

Caterpillar Parts SIS Catalog 908K :

MOTOR GP-GEAR
442-5651 MOTOR GP-GEAR
MOTOR GP-GEAR
257-4009 MOTOR GP-GEAR
447-9417 MOTOR AR-HYDRAULIC FAN
MOTOR & MTG GP-HYDRAULIC FAN
449-1877 MOTOR & MTG GP-HYDRAULIC FAN
MOTOR & MTG GP-HYDRAULIC FAN
447-9416 MOTOR & MTG GP-HYDRAULIC FAN
MANIFOLD GP-RIDE CONTROL
245-8780 MANIFOLD GP-RIDE CONTROL
MANIFOLD GP-CONTROL
262-8718 MANIFOLD GP-CONTROL
MANIFOLD & SOLENOID GP-CONTROL
449-1568 MANIFOLD & SOLENOID GP-CONTROL
MOUNTING GP-CONTROL VALVE
449-1876 MOUNTING GP-CONTROL VALVE
MOUNTING GP-CYLINDER
9R-4668 MOUNTING GP-CYLINDER
POSITIONER GP-WORK TOOL
260-5386 POSITIONER GP-WORK TOOL
PUMP & MTG GP-HYDRAULIC
446-6339 PUMP & MTG GP-HYDRAULIC
PUMP GP-GEAR
455-7972 PUMP GP-GEAR
PUMP GP-PISTON
358-5020 PUMP GP-PISTON
TANK GP-HYDRAULIC
377-7530 TANK GP-HYDRAULIC
VALVE & MTG GP-SOLENOID
260-5411 VALVE & MTG GP-SOLENOID
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