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373-6527 PUMP GP-PISTON -BRAKE, FAN, HOIST S/N LFK1-UP PART OF 378-1302 PUMP & MTG GP-PISTON 745C ARTICULATED TRUCK




HYDRAULIC SYSTEM

PUMP GP
 

#SEBP68060700
 

373-6527: PUMP GP-PISTON

373-6527 PUMP GP-PISTON -BRAKE, FAN, HOIST
S/N LFK1-UP
PART OF 378-1302 PUMP & MTG GP-PISTON
i06010692 SEBP6806
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Parts for your 745C ARTICULATED TRUCK:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 140-1739 [1] RING-RETAINING  
2. 105-1642 [2] BEARING  
3. 333-7835 Y [1] ROTATING GP-PUMP (BRAKE, FAN, HOIST)  
4. 8U-5951 [4] SEAL-O-RING  
5. 6V-8201 M [4] BOLT-SOCKET HEAD (M16X2X45-MM)  
6. 105-3033 [1] CUP-BEARING  
7. 105-3032 [1] CONE-BEARING  
8. 194-6848 [1] COUPLER  
9. 105-1638 [1] SPACER (30X38X3-MM THK)  
10. 162-9997 [1] SEAL-O-RING  
11. 105-1636 [1] CYLINDER-CONTROL  
12. 105-1635 [1] SPRING  
13. 105-1634 [1] PLUNGER  
14. 9S-4183 [1] PLUG (1-1/16-12-THD)  
15. 3D-2824 [1] SEAL-O-RING  
16. 194-6847 [1] SHAFT  
17. 3B-2263 [1] CUP-BEARING  
18. 105-3031 [1] CONE-BEARING  
19. 7X-1553 [2] SEAL-LIP TYPE  
20. 301-9279 [1] SWASHPLATE AS  
21. 188-9640 [1] PISTON-CONTROL  
22. 188-9641 [1] GUIDE-CONTROL  
23. 3J-7354 [1] SEAL-O-RING  
24. 9X-8979 [1] DOWEL  
25. 143-7052 [1] SLEEVE-STOP  
26. 227-5904 [1] SEAL-O-RING  
27. 8T-8442 M [4] BOLT-SOCKET HEAD (M6X1X30-MM)  
28. 9S-8002 [1] PLUG (7/16-20-THD)  
29. 347-0612 Y [1] VALVE GP-PUMP CONTROL (FLOW COMPENSATOR)  
30. 280-7870 [1] GASKET  
31. 120-4394 [1] PLUG-BREAK OFF  
32. 245-7350 [1] PLATE  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP68060701
 

373-6528: PUMP GP-PISTON

373-6528 PUMP GP-PISTON -STEERING
S/N LFK1-UP
PART OF 378-1304 PUMP & MTG GP-PISTON
i06011074 SEBP6806
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Parts for your 745C ARTICULATED TRUCK:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 140-1739 [1] RING-RETAINING  
2. 105-1642 [2] BEARING  
3. 333-7835 Y [1] ROTATING GP-PUMP (STEERING)  
4. 8U-5951 [4] SEAL-O-RING  
5. 6V-8201 M [4] BOLT-SOCKET HEAD (M16X2X45-MM)  
6. 105-3033 [1] CUP-BEARING  
7. 105-3032 [1] CONE-BEARING  
8. 194-6848 [1] COUPLER  
9. 105-1638 [1] SPACER (30X38X3-MM THK)  
10. 162-9997 [1] SEAL-O-RING  
11. 105-1636 [1] CYLINDER-CONTROL  
12. 105-1635 [1] SPRING  
13. 105-1634 [1] PLUNGER  
14. 9S-4183 [1] PLUG (1-1/16-12-THD)  
15. 3D-2824 [1] SEAL-O-RING  
16. 194-6847 [1] SHAFT  
17. 3B-2263 [1] CUP-BEARING  
18. 105-3031 [1] CONE-BEARING  
19. 7X-1553 [2] SEAL-LIP TYPE  
20. 301-9279 [1] SWASHPLATE AS  
21. 188-9640 [1] PISTON-CONTROL  
22. 188-9641 [1] GUIDE-CONTROL  
23. 3J-7354 [1] SEAL-O-RING  
24. 9X-8979 [1] DOWEL  
25. 143-7052 [1] SLEEVE-STOP  
26. 227-5904 [1] SEAL-O-RING  
27. 8T-8442 M [4] BOLT-SOCKET HEAD (M6X1X30-MM)  
28. 9S-8002 [1] PLUG (7/16-20-THD)  
29. 347-0612 Y [1] VALVE GP-PUMP CONTROL (FLOW COMPENSATOR)  
30. 280-7870 [1] GASKET  
31. 120-4394 [1] PLUG-BREAK OFF  
32. 245-7350 [1] PLATE  
33. 033-6043 [1] SEAL-O-RING  
34. 6E-6527 [2] PLUG  
35. 6V-8352 [1] SEAL-O-RING  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP68060702
 

333-7835: ROTATING GP-PUMP

333-7835 ROTATING GP-PUMP
S/N LFK1-UP
PART OF 373-6527, 373-6528 PUMP GP-PISTON
i05974983 SEBP6806
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Parts for your 745C ARTICULATED TRUCK:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 105-1646 [9] PISTON AS-PUMP  
2. 188-9637 [1] PLATE-RETRACTION  
3. 105-1648 [1] BEARING  
4. 105-1653 [3] PIN-RETRACTION  
5. 333-7837 [1] BARREL  
6. 105-1650 [1] SPACER  
7. 105-1651 [1] SPRING  
8. 180-6213 [1] RING-RETAINING  
9. 245-7350 [1] PLATE  
 

#SEBP68060703
 

377-9309: TANK & MTG GP-HYDRAULIC

377-9309 TANK & MTG GP-HYDRAULIC -HOIST
S/N LFK1-UP
PART OF 376-9303 HYDRAULIC AR
i05974903 SEBP6806
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Parts for your 745C ARTICULATED TRUCK:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9W-6582 [3] SLEEVE  
2. 9W-9920 [3] MOUNTING AS-VIBRATION ISOLATOR  
3. 092-2267 B [2] SHIM (2-MM THK)  
4. 205-3984 [3] WASHER-SPECIAL  
5. 391-0726 Y [1] TANK GP-HYDRAULIC (HOIST)  
6. 6C-9149 [6] WASHER (22X50X10-MM THK)  
7. 7X-2488 M [1] BOLT (M20X2.5X160-MM)  
8. 8T-4131 M [3] NUT (M20X2.5-THD)  
9. 8T-4170 M [2] BOLT (M20X2.5X150-MM)  
10. 9W-6584 [3] WASHER (20.5X114X10-MM THK)  
  B   USE AS REQUIRED
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP68060704
 

391-0728: TANK & MTG GP-HYDRAULIC

391-0728 TANK & MTG GP-HYDRAULIC
S/N LFK1-UP
PART OF 391-0726 TANK GP-HYDRAULIC
i05974926 SEBP6806
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Parts for your 745C ARTICULATED TRUCK:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1U-2827 [2] GUIDE-VALVE  
2. 7Y-4716 [2] SPRING  
3. 8E-3082 I [1] HOSE AS  
4. 8J-8782 [2] BODY-DRAIN VALVE  
5. 8J-8783 [2] VALVE-DRAIN (HYDRAULIC TANK)  
6. 9J-7031 [2] PLUG-DRAIN (HYDRAULIC TANK)  
7. 190-6278 I [1] HOSE AS  
8. 391-0735 [1] GASKET  
9. 391-0736 [1] GASKET  
10. 391-0743 Y [1] COVER GP-HYDRAULIC TANK  
11. 391-0744 Y [1] COVER GP-HYDRAULIC TANK  
12. 418-6497 [1] TANK AS-HYDRAULIC  
13. 418-7282 [1] GAUGE-OIL LEVEL (HYDRAULIC TANK)  
  418-7278 [1] PLATE  
14. 418-7375 [1] PLATE AS  
  159-9541 M [2] NUT-WELD (M10X1.5-THD)  
15. 428-6899 [1] GAUGE-OIL LEVEL (HYDRAULIC TANK)  
  428-6923 [1] PLATE  
16. 438-7761 [1] BRACKET AS  
  159-9541 M [1] NUT-WELD (M10X1.5-THD)  
  9R-9359 M [3] BOSS (M10X1.5X28-MM)  
17. 148-8326 [1] CONNECTOR AS  
  3J-7354 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
  6V-9872 [1] CONNECTOR  
18. 148-8361 [1] ELBOW AS (90-DEG)  
  3J-7354 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
  6V-9200 [1] ELBOW  
19. 148-8378 [2] ELBOW AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
  6V-8724 [1] ELBOW  
20. 4L-6454 [4] BOLT (3/8-16X1-IN)  
21. 5M-2057 [2] SEAL-O-RING  
22. 7X-7729 [4] WASHER (11X25X3-MM THK)  
23. 8T-3298 [2] SEAL-RECTANGULAR  
24. 8T-4121 [43] WASHER-HARD (11X21X2.5-MM THK)  
25. 8T-4136 M [42] BOLT (M10X1.5X25-MM)  
26. 8T-4195 M [5] BOLT (M10X1.5X30-MM)  
27. 8T-4896 [4] WASHER-HARD (10.2X18.5X2.5-MM THK)  
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP68060705
 

391-0726: TANK GP-HYDRAULIC

391-0726 TANK GP-HYDRAULIC -HOIST
S/N LFK1-UP
PART OF 377-9309 TANK & MTG GP-HYDRAULIC
i05974910 SEBP6806
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Parts for your 745C ARTICULATED TRUCK:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 391-0727 Y [1] GUARD GP-HYDRAULIC TANK  
2. 391-0728 Y [1] TANK & MTG GP-HYDRAULIC  
  Y   SEPARATE ILLUSTRATION
 

#SEBP68060706
 

377-9316: VALVE & MTG GP-HOIST CONTROL

377-9316 VALVE & MTG GP-HOIST CONTROL
S/N LFK1-UP
PART OF 376-9303 HYDRAULIC AR
i05974944 SEBP6806
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Parts for your 745C ARTICULATED TRUCK:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 374-7186 Y [1] VALVE GP-CONTROL (HOIST)  
2. 455-7773 [1] BRACKET AS  
  159-9541 M [1] NUT-WELD (M10X1.5-THD)  
  7T-1099 [1] LINK  
  8T-3597 M [2] NUT-WELD (M12X1.75-THD)  
3. 8T-4139 M [8] BOLT (M12X1.75X30-MM)  
4. 8T-4223 [10] WASHER-HARD (13.5X25.5X3-MM THK)  
5. 8T-5041 M [2] BOLT (M12X1.75X120-MM)  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP68060707
 

377-9311: VALVE & MTG GP-MAIN CONTROL

377-9311 VALVE & MTG GP-MAIN CONTROL
S/N LFK1-UP
PART OF 376-9303 HYDRAULIC AR
Type 1
i05974939 SEBP6806
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Parts for your 745C ARTICULATED TRUCK:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 321-8657 [1] ELBOW AS  
  6V-8076 [1] ELBOW  
  214-7568 [1] SEAL-O-RING  
2. 456-0653 [1] PLATE AS  
3. 463-6333 Y [1] VALVE GP-MAIN CONTROL  
4. 5P-1076 [7] WASHER-HARD (13.5X30X4-MM THK)  
5. 8T-4139 M [3] BOLT (M12X1.75X30-MM)  
6. 8T-4956 M [4] BOLT (M12X1.75X35-MM)  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP68060708
 

377-9311: VALVE & MTG GP-MAIN CONTROL

377-9311 VALVE & MTG GP-MAIN CONTROL
S/N LFK1-UP
PART OF 376-9303 HYDRAULIC AR
Type 2
i07006438 SEBP6806
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Parts for your 745C ARTICULATED TRUCK:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 165-4931 C [1] ELBOW AS  
  3J-1907 [1] SEAL-O-RING  
  6V-8077 [1] ELBOW  
2. 456-0653 [1] PLATE AS  
  7T-1099 [2] LINK  
  8T-3490 M [1] NUT-WELD (M10X1.5-THD)  
3. 463-6333 Y [1] VALVE GP-MAIN CONTROL  
4. 5P-1076 [7] WASHER-HARD (13.5X30X4-MM THK)  
5. 8T-4139 M [3] BOLT (M12X1.75X30-MM)  
6. 8T-4956 M [4] BOLT (M12X1.75X35-MM)  
  C   CHANGE FROM PREVIOUS TYPE
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP68060709
 

374-7186: VALVE GP-CONTROL

374-7186 VALVE GP-CONTROL
S/N LFK1-UP
PART OF 377-9316 VALVE & MTG GP-HOIST CONTROL
i05974947 SEBP6806
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Parts for your 745C ARTICULATED TRUCK:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1R-5318 [2] SEAL-O-RING  
3. 4K-1388 [1] SEAL-O-RING  
4. 4T-5073 [1] RING-BACKUP  
5. 5P-3108 [1] SEAL-O-RING  
6. 6V-8218 [1] SEAL-O-RING  
7. 7J-9933 [1] SEAL-O-RING  
8. 7M-8485 [1] SEAL-O-RING  
9. 100-8010 [1] VALVE-CHECK (HOIST CONTROL)  
10. 148-8407 [2] PLUG AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  9S-4191 [1] PLUG (9/16-18-THD)  
11. 173-3993 [1] PLUG AS  
  4J-7533 [1] SEAL-O-RING  
  9S-8001 [1] PLUG  
12. 207-7434 [2] RETAINER  
13. 207-7435 [1] RETAINER  
14. 207-7436 [1] RETAINER  
15. 207-7437 [1] SPRING  
16. 207-7438 [1] SPRING  
17. 265-3342 [1] PLUG  
18. 265-4125 [1] RING-BACKUP  
19. 300-1378 J [1] VALVE GP-RELIEF (HOIST CONTROL)  
20. 313-7668 Y [2] VALVE GP-SOLENOID (24-VOLT)(PILOT SUPPLY)  
22. 388-5296 [1] HOUSING  
23. 418-7813 [2] HOUSING-SPRING  
27. 7X-2539 M [2] BOLT (M8X1.25X110-MM)  
28. 2S-2596 [1] SPRING  
29. 8T-3647 M [2] BOLT (M8X1.25X80-MM)  
   
    AVAILABLE REPLACEMENT PART(S):
  239-6336 [1] KIT-SEAL (RELIEF VALVE)  
    (INCLUDES O-RING SEALS & BACK UP SEALS)
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

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}
Repair Process for Hydraulic Gear Pumps {5073}
Repair Process for Hydraulic Gear Pumps {5073}
Vane Type Hydraulic Pump Identification Guidelines {5055}
Vane Type Hydraulic Pump Identification Guidelines {5055}
System and Component Identification and Troubleshooting Information for The Main Control Valve and Hydraulic Pumps on Certain 735C and 745C Articulated Trucks {3066, 3115, 4324, 5051, 5073}
System and Component Identification and Troubleshooting Information for The Main Control Valve and Hydraulic Pumps on Certain 735C and 745C Articulated Trucks {3066, 3115, 4324, 5051, 5073}
Technical Information Bulletin
Oil Leaks from the Weep Hole of the Transmission Pump on Certain Cat <SUP>&reg;</SUP> Machines{3066, 5073}
Oil Leaks from the Weep Hole of the Transmission Pump on Certain Cat ® Machines{3066, 5073}
Specifications
Gear Pump (Aftercooler)
735C, 745C and 740C EJECTOR Articulated Truck Systems
Solenoid Valve (Hydraulic Fan)
735C, 745C and 740C EJECTOR Articulated Truck Systems
Pump Control Valve (Implement)
735C, 745C and 740C EJECTOR Articulated Truck Systems
Piston Pumps (Brake, Hoist, Steering, Fan)
735C, 745C and 740C EJECTOR Articulated Truck Systems
Steering Control
735C, 745C and 740C EJECTOR Articulated Truck Systems
Systems Operation
Gear Pump (Transmission)
735C and 745C Articulated Trucks Machine Systems
Gear Pump - Air to Air After Cooler (ATAAC) Fan System
735C and 745C Articulated Trucks Machine Systems
Gear Pump (Secondary Steering)
735C and 745C Articulated Trucks Machine Systems
Piston Pump (Steering, Hoist)
735C and 745C Articulated Trucks Machine Systems
Piston Pump (Brake, Hoist, Fan)
735C and 745C Articulated Trucks Machine Systems
Piston Pump (Hydraulic Fan)
735C and 745C Articulated Trucks Machine Systems
Piston Pump (Steering)
735C and 745C Articulated Trucks Machine Systems
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}
Vane Type Hydraulic Pumps {5055}
Vane Type Hydraulic Pumps {5055}
Repair Process for Hydraulic Gear Pumps {5073}
Repair Process for Hydraulic Gear Pumps {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 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}
Removing and Installing Bushings and Pressure Plates in Hydraulic Gear Pumps {5073}
Removing and Installing Bushings and Pressure Plates in Hydraulic Gear Pumps {5073}
Vane Type Hydraulic Pump Identification Guidelines {5055}
Vane Type Hydraulic Pump Identification Guidelines {5055}
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
Pump Flow - Test
735C and 745C Articulated Trucks Machine Systems
Gear Pump (Brake Cooling) - Test
735C and 745C Articulated Trucks Machine Systems
Piston Pump (Steering, Hoist) - Test and Adjust
735C and 745C Articulated Trucks Machine Systems
Piston Pump (Brake, Hoist, Fan) - Test and Adjust
735C and 745C Articulated Trucks Machine Systems
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}
Bench Test Procedure for Gear Pumps {5073}
Bench Test Procedure for Gear Pumps {5073}
Bench Test Procedure for Vane Pumps {5055}
Bench Test Procedure for Vane Pumps {5055}
Bench Test Procedure for Hydraulic Piston Pumps {0784, 5050, 5070}
Bench Test Procedure for Hydraulic Piston Pumps {0784, 5050, 5070}
Disassembly and Assembly
Gear Pump (Aftercooler) - Remove and Install
735, 740 GC, 740 EJECTOR, 745 Articulated Trucks Engine Supplement
Piston Pump (Brake, Fan, Hoist) - Remove and Install
735C, 740C EJECTOR and 745C Articulated Trucks Machine Systems
Piston Pump (Hoist, Steering) - Remove and Install
735C, 740C EJECTOR and 745C Articulated Trucks Machine Systems
Gear Pump (Hydraulic Fan) - Remove and Install
735C, 740C EJECTOR and 745C Articulated Trucks Machine Systems
Gear Pump (Hydraulic Fan) - Disassemble
735C, 740C EJECTOR and 745C Articulated Trucks Machine Systems
Gear Pump (Hydraulic Fan) - Assemble
735C, 740C EJECTOR and 745C Articulated Trucks Machine Systems
Piston Pump (Hoist, Steering) - Disassemble
735C, 740C EJECTOR and 745C Articulated Trucks Machine Systems
Piston Pump (Hoist, Steering) - Assemble
735C, 740C EJECTOR and 745C Articulated Trucks Machine Systems
Piston Pump (Brake, Fan, Hoist) - Disassemble
735C, 740C EJECTOR and 745C Articulated Trucks Machine Systems
Piston Pump (Brake, Fan, Hoist) - Assemble
735C, 740C EJECTOR and 745C Articulated Trucks Machine Systems
Gear Pump (Brake Cooling) - Disassemble
735C, 740C EJECTOR and 745C Articulated Trucks Machine Systems
Gear Pump (Brake Cooling) - Assemble
735C, 740C EJECTOR and 745C Articulated Trucks Machine Systems

Caterpillar Parts SIS Catalog 745C :

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