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420-9325 PUMP & MTG GP-ELEVATOR S/N WTE147-UP PART OF 373-8513 TRACTOR AR 621K OEM WHEEL TRACTOR




HYDRAULIC SYSTEM

PUMP GP
 

#SEBP72680560
 

420-9325: PUMP & MTG GP-ELEVATOR

420-9325 PUMP & MTG GP-ELEVATOR
S/N WTE147-UP
PART OF 373-8513 TRACTOR AR
i07488761 SEBP7268
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Parts for your 621K OEM WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 526-3942 CJ [1] PUMP GP-GEAR (BRAKE COOLING)  
  095-0692 M [4] BOLT-SOCKET HEAD (M14X2X110-MM)  
  271-2360 [4] WASHER-HARD (15X22X2.5-MM THK)  
2. 332-2585 [1] COUPLING  
3. 332-2587 [1] COUPLING  
4. 336-8065 [1] COUPLING  
5. 376-5515 Y [1] PUMP GP-PISTON (IMPLEMENT)  
6. 389-6779 Y [1] PUMP GP-PISTON (BRAKE)  
7. 420-4444 Y [1] PUMP GP-PISTON (STEERING)  
8. 107-5769 [1] SEAL-O-RING  
9. 198-4778 [6] WASHER-HARD (13.5X30X12-MM THK)  
10. 198-4780 [2] WASHER-HARD (17.5X32X8-MM THK)  
11. 2D-6648 [1] RING-RETAINING  
12. 3D-8352 [2] RING-RETAINING  
13. 5F-3999 [2] SEAL-O-RING  
14. 7X-4804 [1] SEAL-O-RING  
15. 091-0081 C [2] SPACER (10.5X20X10-MM THK)  
16. 8T-4184 M [2] BOLT (M12X1.75X45-MM)  
17. 8T-4193 M [2] BOLT (M16X2X50-MM)  
18. 8T-4194 M [4] BOLT (M12X1.75X50-MM)  
19. 8T-4182 CM [2] BOLT (M10X1.5X45-MM)  
   
    AVAILABLE REPAIR KIT(S):
  512-6677 J [1] KIT-SEAL (GEAR PUMP)  
    (INCLUDES SEALS & RINGS)
  C   CHANGE FROM PREVIOUS TYPE
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
  R   REMANUFACTURED PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#SEBP72680561
 

329-8116: PUMP GP-PISTON

329-8116 PUMP GP-PISTON -CUSHION-HITCH
S/N WTE1-UP
PART OF 420-4444 PUMP GP-PISTON
i04431369 SEBP7268
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Parts for your 621K OEM WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 379-5191 [1] ROTATING GP-PUMP  
2. 333-7849 [1] PISTON-CONTROL  
3. 189-4720 [1] SEAL-SHAFT  
4. 379-5197 [1] SWASHPLATE  
5. 379-5162 [1] SHAFT-DRIVE  
6. 198-5351 [1] PLUG  
7. 8T-7525 [1] SEAL-O-RING  
8. 189-4716 [1] SHIM (2.5-MM THK)  
9. 333-7844 [1] RING  
10. 203-8609 [1] CUP-BEARING  
11. 105-3035 [1] CONE-BEARING  
12. 333-7845 [1] BEARING-CRADLE  
13. 333-7846 [1] BEARING-CRADLE  
14. 204-3334 [1] SEAL-O-RING  
15. 6R-7943 M [2] SCREW (M5X0.8X15-MM)  
16. 333-7850 [1] BEARING-TAPERED ROLLER  
17. 8T-9597 [1] RING-RETAINING  
18. 6V-8337 M [4] BOLT-SOCKET HEAD (M8X1.25X35-MM)  
19. 9S-8005 [3] PLUG (3/4-16-THD)  
20. 3K-0360 [3] SEAL-O-RING  
21. 112-4640 [1] PIN  
22. 379-5187 [1] SPRING  
23. 333-7840 [1] STOP  
24. 379-5186 [1] VALVE GP-PUMP CONTROL  
  8T-8442 M [4] BOLT-SOCKET HEAD (M6X1X30-MM)  
  280-7870 [1] GASKET  
25. 280-7870 [1] GASKET  
26. 8T-8442 M [4] BOLT-SOCKET HEAD (M6X1X30-MM)  
27. 333-7843 [1] SPRING  
28. 379-5188 [1] PLATE-VALVE  
  M   METRIC PART
 

#SEBP72680562
 

376-5515: PUMP GP-PISTON

376-5515 PUMP GP-PISTON -BRAKE, CUSHION-HITCH, HYD FAN
S/N WTE1-UP
PART OF 420-9325 PUMP & MTG GP-ELEVATOR
i04405569 SEBP7268
  For full view, you need register

Parts for your 621K OEM WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 378-1111 [1] BEARING (TAPERED)  
2. 379-1823 [1] SHAFT-DRIVE  
3. 379-1815 [1] KIT-BEARING (SWASHPLATE)  
    (INCLUDES BEARINGS & PINS)
4. 379-1816 [1] SWASHPLATE  
5. 379-1827 [1] KIT-CYLINDER  
    (INCLUDES RING, SPRINGS, CYLINDER BLOCK, PINS, GUIDE, RETAINER & PISTON AS.)
6. 379-1825 [2] PIN-SLOTTED  
7. 379-1818 [1] PLATE-CONTROL  
8. 232-3587 [1] KIT-BEARING  
9. 379-1821 [1] KIT-PISTON  
    (INCLUDES SLEEVE, SPRING & PISTON)
10. 379-1817 [1] SPRING-BIAS  
11. 379-1819 [1] KIT-PISTON (SERVO)  
    (INCLUDES PISTON & SLEEVE)
12. 248-1348 Y [1] VALVE GP-CONTROL (PISTON PUMP)  
13. 1G-9187 J [1] SEAL-LIP TYPE  
14. 6L-8797 [1] RING-RETAINING  
15. 379-1826 [1] COUPLING  
16. 8T-3957 M [4] BOLT-SOCKET HEAD (M12X1.75X30-MM)  
17. 8T-0348 M [4] BOLT-SOCKET HEAD (M16X2X50-MM)  
18. 9S-8005 [2] PLUG (3/4-16-THD)  
19. 3K-0360 [2] SEAL-O-RING  
20. 533-0059 [1] ADAPTER  
   
    PARTS SHOWN IN GRAPHIC(S) WITHOUT A REFERENCE NUMBER ARE NOT SERVICED SEPARATELY
   
    AVAILABLE REPAIR KIT(S):
  379-1829 J [1] KIT-SEAL (PUMP GP)  
    (ALSO INCLUDES 0-RINGS, SEALS, SEALING NUTS & PLUG)
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP72680563
 

389-6779: PUMP GP-PISTON

389-6779 PUMP GP-PISTON -IMPLEMENTS
S/N WTE1-UP
PART OF 420-9325 PUMP & MTG GP-ELEVATOR
i05445530 SEBP7268
  For full view, you need register

Parts for your 621K OEM WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 233-0065 [1] SHAFT-DRIVE  
2. 8C-3110 [1] RING-RETAINING  
3. 166-0344 [1] SEAL-SHAFT  
4. 188-6303 [1] SPRING  
5. 274-7452 [1] LINK-CONTROL  
6. 174-9994 [1] PISTON-CONTROL  
7. 198-5351 [1] PLUG  
8. 8T-7525 [1] SEAL-O-RING  
9. 9X-8979 [1] DOWEL  
10. 168-3504 [1] SEAL  
11. 120-4394 [1] PLUG-BREAK OFF  
12. 095-0670 M [4] BOLT (M12X1.75X45-MM)  
13. 346-9615 Y [1] VALVE GP-PUMP CONTROL (PRESSURE, FLOW COMPENSATOR)  
14. 127-9485 [1] SEAL-O-RING  
15. 356-1576 Y [1] ROTATING GP-PUMP (BRAKE, HYDRAULIC FAN)  
16. 312-8769 [1] SWASHPLATE  
17. 168-7869 [2] BEARING-CRADLE  
18. 185-0263 [1] BEARING  
19. 203-8609 [1] CUP-BEARING  
20. 105-3035 [1] CONE-BEARING  
21. 2M-9780 [1] SEAL-O-RING  
22. 9S-8006 [1] PLUG (7/8-14-THD)  
23. 148-1238 B [1] SHIM (3-MM THK)  
24. 153-2691 [1] RING-RETAINING  
25. 138-8173 [1] PLATE-VALVE  
26. 280-7870 [1] GASKET  
27. 3J-7354 [1] SEAL-O-RING  
28. 9S-8002 [1] PLUG (7/16-20-THD)  
29. 8T-8442 M [4] BOLT-SOCKET HEAD (M6X1X30-MM)  
  B   USE AS REQUIRED
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP72680564
 

420-4444: PUMP GP-PISTON

420-4444 PUMP GP-PISTON
S/N WTE1-UP
DOUBLE
PART OF 420-9325 PUMP & MTG GP-ELEVATOR
i05445562 SEBP7268
  For full view, you need register

Parts for your 621K OEM WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 421-1146 Y [1] PUMP GP-PISTON (IMPLEMENT)  
2. 329-8116 Y [1] PUMP GP-PISTON (CUSHION-HITCH)  
3. 8T-4136 M [2] BOLT (M10X1.5X25-MM)  
4. 8T-4121 [2] WASHER-HARD (11X21X2.5-MM THK)  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP72680565
 

421-1146: PUMP GP-PISTON

421-1146 PUMP GP-PISTON
S/N WTE1-UP
PART OF 420-4444 PUMP GP-PISTON
i05445609 SEBP7268
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Parts for your 621K OEM WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 389-1201 Y [1] ROTATING GP-PUMP (IMPLEMENT, STEERING)(IMPLEMENT)  
2. 133-8739 [1] SEAL-LIP TYPE  
3. 351-6131 [2] BEARING-CRADLE  
4. 399-5839 [1] SWASHPLATE  
5. 399-5840 [1] SHAFT-DRIVE  
6. 105-1638 [1] SPACER (30X38X3-MM THK)  
7. 105-3031 [1] CONE-BEARING  
8. 3B-2263 [1] CUP-BEARING  
9. 105-3032 [1] CONE-BEARING  
10. 105-3033 [1] CUP-BEARING  
11. 140-1739 [1] RING-RETAINING  
12. 6V-8201 M [4] BOLT-SOCKET HEAD (M16X2X45-MM)  
13. 304-0479 Y [1] VALVE GP-PUMP CONTROL (FLOW COMPENSATOR)  
14. 247-0478 [1] SPRING  
15. 399-5838 [1] PLATE-CONTROL  
16. 120-4394 [3] PLUG-BREAK OFF  
17. 168-3504 [1] SEAL  
18. 214-9203 [1] PLUG-ORIFICE  
19. 9X-8979 [1] DOWEL  
20. 379-5187 [1] SPRING  
21. 333-7840 [1] STOP  
22. 280-7870 [1] GASKET  
23. 3J-7354 [1] SEAL-O-RING  
24. 9S-8002 [1] PLUG (7/16-20-THD)  
25. 8T-8442 M [4] BOLT-SOCKET HEAD (M6X1X30-MM)  
26. 351-6085 [1] PISTON-CONTROL  
27. 374-6722 [1] PLUG-CONTROL  
28. 8T-7525 [1] SEAL-O-RING  
29. 264-2483 [1] COUPLER  
30. 247-2852 [1] STOP  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP72680566
 

356-1576: ROTATING GP-PUMP

356-1576 ROTATING GP-PUMP
S/N WTE1-UP
PART OF 389-6779 PUMP GP-PISTON
i04054049 SEBP7268
  For full view, you need register

Parts for your 621K OEM WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 436-4708 Y [1] ROTATING GP-PUMP  
2. 168-7943 [9] PISTON AS-PUMP  
3. 258-5194 [1] PLATE  
4. 138-8175 [1] BEARING-SPHERICAL  
  Y   SEPARATE ILLUSTRATION
 

#SEBP72680567
 

389-1201: ROTATING GP-PUMP

389-1201 ROTATING GP-PUMP
S/N WTE1-UP
PART OF 421-1146 PUMP GP-PISTON
i05108771 SEBP7268
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Parts for your 621K OEM WHEEL TRACTOR:

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. 105-1651 [1] SPRING  
5. 180-6213 [1] RING-RETAINING  
6. 105-1650 [2] SPACER  
 

#SEBP72680568
 

436-4708: ROTATING GP-PUMP

436-4708 ROTATING GP-PUMP
S/N WTE1-UP
PART OF 356-1576 ROTATING GP-PUMP
i05619509 SEBP7268
  For full view, you need register

Parts for your 621K OEM WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 233-0455 [1] BARREL  
2. 168-7941 [1] SPRING  
3. 168-7940 [3] PIN  
4. 096-0015 [1] RING-RETAINING  
5. 168-7942 [1] WASHER (28.2X36.5X2-MM THK)  
 

#SEBP72680569
 

452-3320: ROTATING GP-PUMP

452-3320 ROTATING GP-PUMP
S/N WTE1-UP
PART OF 338-1857, 457-6570 MOTOR GP-PISTON
i05647652 SEBP7268
  For full view, you need register

Parts for your 621K OEM WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 258-5194 [1] PLATE  
2. 168-7943 [9] PISTON AS-PUMP  
3. 313-4424 [1] PLATE-CONTROL  
4. 096-0015 [1] RING-RETAINING  
5. 168-7941 [1] SPRING  
6. 168-7942 [1] WASHER (28.2X36.5X2-MM THK)  
7. 168-7940 [3] PIN  
8. 138-8175 [1] BEARING-SPHERICAL  
 

Information:

Caterpillar Parts SIS Catalog 621K OEM :

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