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295-0778 PUMP GP-GEAR -HOIST S/N ST31-UP PART OF 291-6892 PUMP & MTG GP-HYDRAULIC 798 AC OFF HIGHWAY TRUCK


HYDRAULIC SYSTEM
PUMP GP
TANK GP
VALVE GP-MAKEUP
PUMP GP
VALVE GP-SHUTTLE

OFF HIGHWAY TRUCK 798 AC OFF HIGHWAY TRUCK ST3
 798AC OFF-HIGHWAY TRUCK ST300001-UP (MACHINE) POWERED BY C175 ENGINE M0101931 798 AC ST3   (2019)

HYDRAULIC SYSTEM

PUMP GP
PUMP & MTG GP-HYDRAULIC
303-4443 PUMP & MTG GP-HYDRAULIC
PUMP & MTG GP-HYDRAULIC
468-4964 PUMP & MTG GP-HYDRAULIC
PUMP GP-GEAR
295-0778 PUMP GP-GEAR
PUMP GP-GEAR
397-9577 PUMP GP-GEAR
PUMP GP-PISTON
303-9326 PUMP GP-PISTON
ROTATING GP-PUMP
313-7046 ROTATING GP-PUMP
 

#M01019310500
 

295-0778: PUMP GP-GEAR

295-0778 PUMP GP-GEAR -HOIST
S/N ST31-UP
PART OF 291-6892 PUMP & MTG GP-HYDRAULIC
i03747993 M0101931
2950778 PUMP GP-GEAR Parts scheme
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Parts for your 798 AC OFF HIGHWAY TRUCK:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 313-7028 [1] GEAR-DRIVE (10-TEETH)  
2. 348-7908 [2] GEAR-IDLER (10-TEETH)  
3. 313-7029 [1] GEAR-DRIVE (10-TEETH)  
4. 313-7030 [4] PLATE-PRESSURE  
5. 164-9477 [10] DOWEL  
6. 165-4422 [1] COUPLING  
7. 313-7031 [8] STUD  
8. 160-8495 [8] NUT (3/4-16-THD)  
9. 5P-8248 [8] WASHER-HARD (20X36.5X3.5-MM THK)  
10. 3J-1907 [1] SEAL-O-RING  
11. 6V-3965 [2] FITTING (QUICK DISCONNECT)  
   
    AVAILABLE REPAIR KIT(S):
  313-7032 [1] KIT-SEAL  
    (INCLUDES BACKUP RINGS, O-RINGS, E-RINGS, SHAFT SEALS, SNAP RING, BREATHER PLUG & DUST CAPS)
 

#M01019310501
 

397-9577: PUMP GP-GEAR

397-9577 PUMP GP-GEAR
S/N ST31-UP
PART OF 468-4964 PUMP & MTG GP-HYDRAULIC
i05500951 M0101931
3979577 PUMP GP-GEAR Parts scheme
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Parts for your 798 AC OFF HIGHWAY TRUCK:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
    (NO SERVICED PARTS)
 

#M01019310502
 

303-9326: PUMP GP-PISTON

303-9326 PUMP GP-PISTON
S/N ST31-UP
PART OF 303-4443 PUMP & MTG GP-HYDRAULIC
i03748113 M0101931
3039326 PUMP GP-PISTON Parts scheme
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Parts for your 798 AC OFF HIGHWAY TRUCK:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 313-7046 Y [1] ROTATING GP-PUMP  
2. 313-7047 Y [1] HEAD GP-PUMP  
3. 216-0934 Y [1] VALVE GP-PUMP CONTROL (PRESSURE, FLOW COMPENSATOR)  
4. 191-3539 [2] NUT-SEAL  
5. 117-5716 [4] PIN  
6. 312-8465 [1] IMPELLER  
7. 174-9972 [2] PIN  
8. 9T-3928 [4] PLUG AS  
    (EACH INCLUDES)
  187-8001 [1] SEAL  
9. 117-5718 M [4] BOLT-SOCKET HEAD (M18X2.5-THD)  
10. 9M-5024 [1] SEAL-O-RING  
11. 9S-8008 [2] PLUG (1-1/16-12-THD)  
12. 238-5082 [2] SEAL-O-RING  
13. 167-6805 [2] PIN  
14. 6V-5200 [2] RING-RETAINING  
15. 138-6779 Y [1] VALVE GP-SHUTTLE  
16. 170-9907 [1] PLUG  
17. 178-2845 [1] FLANGE  
18. 330-9905 [1] COUPLING  
19. 6V-7350 [1] SEAL-O-RING  
20. 501-1419 [1] SEAL-O-RING  
21. 101-7397 M [4] BOLT-SOCKET HEAD (M12X1.75X50-MM)  
22. 188-3125 [1] PISTON  
23. 117-5926 [1] SPRING  
24. 117-5923 [1] ROD (119.3-MM LG)  
25. 187-8001 [4] SEAL  
26. 9S-8004 [4] PLUG (9/16-18-THD)  
27. 214-7568 [4] SEAL-O-RING  
28. 146-6553 Y [1] ACTUATOR GP-PUMP (MAXIMUM ANGLE)  
29. 8T-0338 M [5] BOLT-SOCKET HEAD (M8X1.25X45-MM)  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#M01019310503
 

313-7046: ROTATING GP-PUMP

313-7046 ROTATING GP-PUMP
S/N ST31-UP
PART OF 303-9326 PUMP GP-PISTON
i03748120 M0101931
3137046 ROTATING GP-PUMP Parts scheme
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Parts for your 798 AC OFF HIGHWAY TRUCK:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 199-2439 [1] CYLINDER AS  
2. 199-2441 [9] PISTON AS  
3. 6E-0715 [1] SPRING-CUP  
4. 117-5761 [1] CRADLE  
5. 178-2827 [1] SHAFT  
6. 178-2828 [1] COVER  
7. 6E-0719 [4] ROD  
8. 6E-0723 B [1] SHIM (0.7-MM THK)  
9. 6E-0722 B [1] SHIM (1.3-MM THK)  
10. 6E-0721 B [2] SHIM (0.9-MM THK)  
11. 6E-0720 B [1] SHIM (1.1-MM THK)  
12. 8U-7051 M [4] SCREW (M6X1X12-MM)  
13. 6E-0725 [4] ROLLER  
14. 6E-0726 [1] PLATE-RETAINER  
15. 6E-1569 [1] RETAINER  
16. 117-5764 [1] LINER  
17. 6E-1570 [2] RETAINER  
18. 6E-1571 [1] BEARING AS  
19. 117-5765 [1] BEARING-ROLLER  
20. 8T-4241 [1] RING-RETAINING  
21. 6E-1572 [2] SEAL-LIP TYPE  
22. 2H-3934 [1] SEAL-O-RING  
23. 6V-8260 [1] SEAL-O-RING  
24. 3T-0849 M [4] BOLT-SOCKET HEAD (M6X1X25-MM)  
25. 4I-5957 [4] RING  
   
    PARTS SHOWN IN GRAPHIC(S) WITHOUT A REFERENCE NUMBER ARE NOT SERVICED SEPARATELY
  B   USE AS REQUIRED
  M   METRIC PART
 

#M01019310504
 

463-9839: TANK GP-HYDRAULIC

463-9839 TANK GP-HYDRAULIC
S/N ST31-UP
PART OF 536-8500 FRAME GP
i07459800 M0101931
4639839 TANK GP-HYDRAULIC Parts scheme
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Parts for your 798 AC OFF HIGHWAY TRUCK:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3F-7673 C [4] LOCKNUT (3/4-16-THD)  
2. 431-6071 [1] MANIFOLD-RETURN  
3. 431-6072 [1] SPACER  
4. 431-6073 [2] FITTING  
5. 431-6075 [1] SPACER  
6. 431-6076 [1] CAP-PIPE  
7. 431-6081 [2] GASKET  
8. 431-6082 [1] COVER  
9. 432-8133 [1] VALVE-CHECK  
10. 432-8134 [1] DIFFUSER  
11. 432-8135 J [1] VALVE AS-HYDRAULIC  
12. 432-8136 [1] STRAINER (HYDRAULIC TANK OIL)  
13. 432-8137 [1] VALVE-DRAIN  
14. 432-8138 [1] SWITCH-TEMPERATURE (HYDRAULIC OIL TEMPERATURE)  
15. 434-5532 [1] ADAPTER-BREATHER  
16. 521-2277 C [1] SENSOR-LEVEL (OIL LEVEL)  
17. 434-5563 [2] PLUG  
18. 442-3479 [1] MANIFOLD  
19. 442-3480 [2] STRAP AS  
20. 442-3483 [2] COVER  
21. 442-3485 [1] ADAPTER  
22. 442-3486 [1] ADAPTER  
23. 442-3487 [1] VALVE-BALL (HYDRAULIC)  
24. 442-3488 [1] ADAPTER  
  492-9489 [1] SEAL-O-RING  
25. 461-6731 [1] TANK GP-HYDRAULIC  
27. 1P-4584 [2] FLANGE-HALF  
29. 7X-0582 C [4] WASHER-HARD (20X44.5X6-MM THK)  
30. 4H-3283 [12] BOLT (3/8-16X9.5-IN)  
31. 4T-6788 [1] FILTER-OIL (ADVANCED EFFICIENCY)  
33. 8B-9580 [1] BUSHING-REDUCER  
34. 8T-0568 [1] SEAL-O-RING  
35. 8T-4138 M [12] BOLT (M6X1X20-MM)  
36. 8T-4179 M [4] BOLT (M12X1.75X20-MM)  
37. 8T-4183 M [4] BOLT (M12X1.75X40-MM)  
38. 8T-4223 C [8] WASHER-HARD (13.5X25.5X3-MM THK)  
39. 8T-4896 [12] WASHER-HARD (10.2X18.5X2.5-MM THK)  
40. 9X-8256 [12] WASHER (6.6X12X2-MM THK)  
   
    AVAILABLE REPAIR KIT(S):
  454-7874 J [1] KIT-SEAL (VALVE)  
    (INCLUDES O-RINGS, SEAT & THRUST WASHERS)
  C   CHANGE FROM PREVIOUS TYPE
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
 

#M01019310505
 

183-7170: VALVE GP-MAKEUP

183-7170 VALVE GP-MAKEUP
S/N ST31-UP
PART OF 542-2645 LINES GP-HYDRAULIC, 461-6720 LINES GP-HYDRAULIC FAN
i01325857 M0101931
1837170 VALVE GP-MAKEUP Parts scheme
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Parts for your 798 AC OFF HIGHWAY TRUCK:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1U-0323 [1] PLUG AS  
  3G-2683 [1] PLUG  
1A. 1U-0322 [1] BUSHING  
2. 7J-7423 [1] VALVE-CONTROL  
3. 2P-8421 [1] ADAPTER-O-RING  
4. 2S-4078 [1] SEAL-O-RING  
5. 3D-2824 [1] SEAL-O-RING  
6. 7S-8491 [1] SPRING  
7. 369-6857 [1] PLUG AS  
  360-3695 [1] PLUG  
  3D-2824 [1] SEAL-O-RING  
 

#M01019310506
 

216-0934: VALVE GP-PUMP CONTROL

216-0934 VALVE GP-PUMP CONTROL -PRESSURE, FLOW COMPENSATOR
S/N ST31-UP
PART OF 303-9326 PUMP GP-PISTON
i07743154 M0101931
2160934 VALVE GP-PUMP CONTROL Parts scheme
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Parts for your 798 AC OFF HIGHWAY TRUCK:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 312-8460 CY [1] VALVE GP-PUMP CONTROL (PRESSURE COMPENSATOR)  
2. 216-0935 Y [1] VALVE GP-PUMP CONTROL (FLOW COMPENSATOR)  
3. 178-2837 [1] HOUSING  
4. 146-3492 [1] LEVER  
5. 8T-0338 M [5] BOLT-SOCKET HEAD (M8X1.25X45-MM)  
6. 146-3493 [2] PIN  
7. 120-4394 C [5] PLUG-BREAK OFF  
8. 162-2165 M [4] BOLT-SOCKET HEAD (M4X0.7X16-MM)  
  C   CHANGE FROM PREVIOUS TYPE
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#M01019310507
 

216-0935: VALVE GP-PUMP CONTROL

216-0935 VALVE GP-PUMP CONTROL -FLOW COMPENSATOR
S/N ST31-UP
PART OF 216-0934 VALVE GP-PUMP CONTROL
i01760415 M0101931
2160935 VALVE GP-PUMP CONTROL Parts scheme
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Parts for your 798 AC OFF HIGHWAY TRUCK:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 216-0929 [1] BUSHING  
2. 447-5931 [1] PISTON  
3. 216-1594 [1] ADAPTER  
4. 146-3500 [1] RETAINER  
5. 178-2840 [1] SPRING  
6. 219-1958 [1] SEAL  
7. 177-7747 [2] RING  
8. 6V-6339 [1] SEAL-O-RING  
9. 6V-8352 [1] SEAL-O-RING  
10. 162-2165 M [4] BOLT-SOCKET HEAD (M4X0.7X16-MM)  
11. 178-2841 [1] SETSCREW  
12. 9T-3853 M [1] LOCKNUT (M6X1-THD)  
13. 476-9463 [1] SOLENOID (FLOW COMPENSATOR)  
  M   METRIC PART
 

#M01019310508
 

312-8460: VALVE GP-PUMP CONTROL

312-8460 VALVE GP-PUMP CONTROL
S/N ST31-UP
PRESSURE COMPENSATOR
PART OF 216-0934 VALVE GP-PUMP CONTROL
i07743160 M0101931
3128460 VALVE GP-PUMP CONTROL Parts scheme
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Parts for your 798 AC OFF HIGHWAY TRUCK:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 109-3203 [1] SEAL-O-RING  
2. 150-8320 [1] SPRING  
3. 117-5899 [1] PLUG  
4. 117-7524 [1] SETSCREW  
5. 146-3497 [2] RETAINER  
6. 9T-4817 M [1] NUT (M8X1-THD)  
7. 6E-3855 [1] SPRING  
  M   METRIC PART
 

#M01019310509
 

138-6779: VALVE GP-SHUTTLE

138-6779 VALVE GP-SHUTTLE
S/N ST31-UP
PART OF 303-9326 PUMP GP-PISTON
i00645773 M0101931
1386779 VALVE GP-SHUTTLE Parts scheme
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Parts for your 798 AC OFF HIGHWAY TRUCK:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 138-6781 [1] ADAPTER  
2. 153-4906 [1] SEAL-O-RING  
3. 102-0814 [1] BUSHING  
4. 138-6780 [1] VALVE-SHUTTLE  
 

Information:

Caterpillar Parts SIS Catalog 798 AC :

PUMP & MTG GP-HYDRAULIC
468-4964 PUMP & MTG GP-HYDRAULIC
PUMP & MTG GP-HYDRAULIC
303-4443 PUMP & MTG GP-HYDRAULIC
PUMP & MTG GP-HYDRAULIC
291-6892 PUMP & MTG GP-HYDRAULIC
MOUNTING GP-HYDRAULIC PUMP
442-3283 MOUNTING GP-HYDRAULIC PUMP
MOTOR GP-PISTON
303-5861 MOTOR GP-PISTON
MOTOR GP-PISTON
240-7790 MOTOR GP-PISTON
MOTOR & MTG GP-HYDRAULIC FAN
442-2592 MOTOR & MTG GP-HYDRAULIC FAN
LINES GP-REAR ATTACHMENT
545-3761 LINES GP-REAR ATTACHMENT
PUMP GP-GEAR
397-9577 PUMP GP-GEAR
PUMP GP-PISTON
303-9326 PUMP GP-PISTON
ROTATING GP-PUMP
313-7046 ROTATING GP-PUMP
TANK GP-HYDRAULIC
463-9839 TANK GP-HYDRAULIC
VALVE GP-MAKEUP
183-7170 VALVE GP-MAKEUP
VALVE GP-PUMP CONTROL
216-0934 VALVE GP-PUMP CONTROL
VALVE GP-PUMP CONTROL
216-0935 VALVE GP-PUMP CONTROL
VALVE GP-PUMP CONTROL
312-8460 VALVE GP-PUMP CONTROL
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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.
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