AVSPARE.COM
parts catalog
  1. Home
  2. Caterpillar catalog

316-8366 PUMP GP-PISTON S/N HKK1-UP PART OF 310-5536 PUMP & MTG GP-IMPL & STEERING 621H WHEEL TRACTOR


HYDRAULIC SYSTEM
PUMP GP
TANK GP

WHEEL TRACTOR 621H WHEEL TRACTOR HKK
 621H OEM Wheel Tractor HKK00001-UP (MACHINE) POWERED BY C13 Engine SEBP6382 621H HKK   (2011)

HYDRAULIC SYSTEM

PUMP GP
PUMP & MOTOR GP-SEC STEERING
331-7452 PUMP & MOTOR GP-SEC STEERING
PUMP & MTG GP-IMPL & STEERING
310-5536 PUMP & MTG GP-IMPL & STEERING
PUMP GP-GEAR
360-7392 PUMP GP-GEAR
PUMP GP-PISTON
316-8366 PUMP GP-PISTON
PUMP GP-PISTON
329-8116 PUMP GP-PISTON
PUMP GP-PISTON
376-5515 PUMP GP-PISTON
ROTATING GP-PUMP
327-8163 ROTATING GP-PUMP
ROTATING GP-PUMP
452-3320 ROTATING GP-PUMP
VALVE GP-PUMP CONTROL
346-9615 VALVE GP-PUMP CONTROL
 

#SEBP63820490
 

316-8366: PUMP GP-PISTON

316-8366 PUMP GP-PISTON
S/N HKK1-UP
PART OF 310-5536 PUMP & MTG GP-IMPL & STEERING
i04404082 SEBP6382
3168366 PUMP GP-PISTON Parts scheme
  For full view, you need register

Parts for your 621H WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 327-8163 Y [1] ROTATING GP-PUMP  
2. 174-9994 [1] PISTON-CONTROL  
3. 274-7452 [1] LINK-CONTROL  
4. 258-0139 J [1] SEAL-SHAFT  
5. 346-9615 Y [1] VALVE GP-PUMP CONTROL  
6. 168-7317 [1] SWASHPLATE  
7. 376-0158 [1] SHAFT-PUMP  
8. 198-5351 [1] PLUG  
9. 168-2197 [1] SPRING  
10. 168-2203 B [1] SHIM-SHAFT (3-MM THK)  
11. 335-8218 [1] RING-STOP  
12. 3P-1210 [1] CONE-BEARING  
13. 9W-2109 [1] CONE-BEARING  
14. 282-0919 [1] BEARING-CRADLE  
15. 282-0918 [1] BEARING-CRADLE  
16. 335-8226 [1] RING-RETAINING  
17. 8T-2503 M [4] BOLT-SOCKET HEAD (M14X2X35-MM)  
18. 8T-7525 [1] SEAL-O-RING  
19. 335-8229 [1] PIN  
20. 335-8230 [1] PLUG  
21. 6R-7943 M [2] SCREW (M5X0.8X15-MM)  
22. 376-0898 [1] PLATE-VALVE  
23. 192-7470 J [1] SEAL-O-RING  
24. 9W-2110 [1] CUP-TAPERED ROLLER  
25. 8J-0412 [1] CUP-BEARING  
26. 280-7870 [1] GASKET  
27. 8T-8442 M [4] BOLT-SOCKET HEAD (M6X1X30-MM)  
   
    AVAILABLE REPAIR KIT(S):
  376-8699 J [1] KIT-SEAL (PUMP GP)  
    (INCLUDES O-RING SEALS & SHAFT SEALS)
  B   USE AS REQUIRED
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP63820491
 

329-8116: PUMP GP-PISTON

329-8116 PUMP GP-PISTON -CUSHION-HITCH
S/N HKK1-UP
PART OF 310-5536 PUMP & MTG GP-IMPL & STEERING
i04431369 SEBP6382
3298116 PUMP GP-PISTON Parts scheme
  For full view, you need register

Parts for your 621H 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
 

#SEBP63820492
 

376-5515: PUMP GP-PISTON

376-5515 PUMP GP-PISTON -BRAKE, CUSHION-HITCH, HYD FAN
S/N HKK1-UP
PART OF 310-5536 PUMP & MTG GP-IMPL & STEERING
i04405569 SEBP6382
3765515 PUMP GP-PISTON Parts scheme
  For full view, you need register

Parts for your 621H 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
 

#SEBP63820493
 

327-8163: ROTATING GP-PUMP

327-8163 ROTATING GP-PUMP
S/N HKK1-UP
PART OF 316-8366 PUMP GP-PISTON
i03454141 SEBP6382
3278163 ROTATING GP-PUMP Parts scheme
  For full view, you need register

Parts for your 621H WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 168-3384 [9] PISTON AS-PUMP  
2. 168-3380 [1] BARREL-CYLINDER  
3. 279-2491 [1] PLATE-PORT  
4. 168-3385 [1] PLATE-RETRACTION  
5. 168-3378 [1] BEARING-SPHERICAL  
6. 168-3381 [1] SPRING  
7. 168-3379 [3] PIN  
8. 6V-7723 [1] RING-RETAINING  
9. 168-3382 [1] WASHER (30X42X2.7-MM THK)  
 

#SEBP63820494
 

452-3320: ROTATING GP-PUMP

452-3320 ROTATING GP-PUMP
S/N HKK1-UP
PART OF 338-1857 MOTOR GP-PISTON
i05647652 SEBP6382
4523320 ROTATING GP-PUMP Parts scheme
  For full view, you need register

Parts for your 621H 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  
 

#SEBP63820495
 

376-2990: TANK & FILTER GP-HYDRAULIC

376-2990 TANK & FILTER GP-HYDRAULIC
S/N HKK1-UP
PART OF 310-5538 TANK & MTG GP-HYDRAULIC
AN ATTACHMENT
i04440234 SEBP6382
3762990 TANK & FILTER GP-HYDRAULIC Parts scheme 3762990 TANK & FILTER GP-HYDRAULIC Parts scheme 3762990 TANK & FILTER GP-HYDRAULIC Parts scheme
  For full view, you need register

Parts for your 621H WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 0L-0646 [1] SPRING-VALVE  
2. 1U-2827 [1] GUIDE-VALVE  
3. 2D-4202 [1] PLATE  
4. 4T-8698 [1] WASHER (12.2X62X3.5-MM THK)  
5. 5D-1911 [1] COVER-HYDRAULIC CAP  
6. 5D-7927 [1] STRAINER AS-OIL (HYDRAULIC TANK FILL)  
  5F-3488 [1] END-STRAINER  
7. 6E-5101 [1] PLATE  
8. 6J-1080 [1] GROMMET  
9. 7B-3039 [1] SPRING  
10. 7H-1447 [1] CAP-FILLER (HYDRAULIC TANK)  
11. 7J-2656 [1] SCREEN AS (HYDRAULIC TANK)  
12. 8J-8782 [1] BODY-DRAIN VALVE  
13. 8J-8783 [1] VALVE-DRAIN  
14. 8T-3298 [2] SEAL-RECTANGULAR  
15. 9J-7031 [1] PLUG-DRAIN (HYDRAULIC TANK OIL)  
16. 9M-7394 [1] LEVER  
17. 9T-7571 [1] SCREEN AS (HYDRAULIC TANK)  
18. 9T-7572 [1] FLANGE  
19. 9T-9227 [1] SCREEN AS (HYDRAULIC TANK)  
20. 103-9603 [1] GAUGE-SIGHT  
21. 118-8693 [1] SCREEN (HYDRAULIC TANK)  
22. 207-5098 [1] VALVE  
23. 231-9493 [1] RETAINER AS  
24. 231-9494 [1] CAP AS  
25. 243-1949 [1] GASKET  
26. 243-3758 [2] FILTER ELEMENT AS-OIL (ULTRA HIGH EFFICIENCY)  
27. 245-9740 [1] GASKET  
28. 253-1702 [1] COVER  
29. 295-6124 [1] STUD-TAPERLOCK  
30. 298-6576 [1] BASE-FILTER  
31. 300-1960 [1] PLATE-IDENTIFICATION (HYDRAULIC OIL LEVEL CHECK)  
32. 304-6658 [1] TUBE AS  
33. 319-1637 [1] RETAINER  
34. 346-4884 [1] TUBE AS  
35. 346-4885 [1] TUBE AS  
36. 346-4886 [1] TUBE AS  
37. 346-8304 [1] TUBE AS  
38. 347-0193 [1] BRACKET  
39. 358-7075 [1] ADAPTER  
40. 376-2991 [1] TANK AS  
41. 376-3056 [1] BRACKET  
42. 376-3057 [1] GASKET  
43. 164-4180 [1] PLUG AS  
  7M-8485 [1] SEAL-O-RING  
  9S-4181 [1] PLUG (1-5/16-12-THD)  
44. 170-4822 [1] SEAL-O-RING  
45. 192-4744 M [8] BOLT (M10X1.5X20-MM)  
46. 1L-5072 [1] DOWEL  
47. 1P-4578 [4] FLANGE-HALF  
48. 1P-4579 [2] FLANGE-HALF  
49. 1P-4582 [6] FLANGE-HALF  
50. 2J-7761 [1] RING-RETAINING  
51. 3H-2652 [1] SEAL-O-RING  
52. 3J-7421 [1] GASKET  
53. 4J-0522 [1] SEAL-O-RING  
54. 4J-0527 [1] SEAL-O-RING  
55. 5F-6222 [1] SEAL-O-RING  
56. 5H-4020 [1] COVER  
57. 5H-6005 [4] SEAL-O-RING  
58. 5M-2057 [1] SEAL-O-RING  
59. 6H-9361 [1] RING-RETAINING  
60. 6V-5839 [12] WASHER (11X21X2.5-MM THK)  
61. 6V-7731 M [2] BOLT (M10X1.5X70-MM)  
62. 6V-7732 M [10] BOLT (M10X1.5X25-MM)  
63. 6V-7744 M [6] LOCKNUT (M10X1.5-THD)  
64. 7F-2122 [1] SEAL-O-RING  
65. 8C-3206 [4] FLANGE-HALF  
66. 8T-0389 M [1] LOCKNUT (M10X1.5-THD)  
67. 8T-2275 [1] BALL  
68. 8T-4121 [61] WASHER-HARD (11X21X2.5-MM THK)  
69. 8T-4133 M [4] NUT (M10X1.5-THD)  
70. 8T-4137 M [39] BOLT (M10X1.5X20-MM)  
71. 8T-4183 M [16] BOLT (M12X1.75X40-MM)  
72. 8T-4196 M [16] BOLT (M10X1.5X35-MM)  
73. 8T-4223 [16] WASHER-HARD (13.5X25.5X3-MM THK)  
74. 9H-6454 [1] GASKET  
75. 9X-2125 M [6] BOLT-LOCKING (M10X1.5X25-MM)  
76. 8T-0722 M [2] BOLT-LOCKING (M10X1.5X30-MM)  
77. 5H-4019 [2] COVER  
78. 4J-0520 [2] SEAL-O-RING  
  M   METRIC PART
 

#SEBP63820496
 

310-5538: TANK & MTG GP-HYDRAULIC

310-5538 TANK & MTG GP-HYDRAULIC
S/N HKK1-UP
PART OF 380-9795 CONVERSION AR-TRACTOR
AN ATTACHMENT
i04364515 SEBP6382
3105538 TANK & MTG GP-HYDRAULIC Parts scheme
  For full view, you need register

Parts for your 621H WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8G-0841 [2] MOUNT AS  
2. 9X-8257 [2] WASHER (17.5X30X3.5-MM THK)  
3. 354-4889 [1] BLOCK  
4. 507-0643 [1] BREATHER AS (HYDRAULIC)  
  3D-2824 [1] SEAL-O-RING  
5. 376-2990 Y [1] TANK & FILTER GP-HYDRAULIC  
6. 267-8821 [4] WASHER (17X36X12-MM THK)  
7. 3E-9411 [4] WASHER-HARD (17.5X38X6-MM THK)  
8. 5T-1906 [2] PLATE  
9. 7X-2555 M [2] BOLT (M16X2X80-MM)  
10. 8T-4140 M [2] BOLT (M16X2X60-MM)  
11. 8T-6383 M [4] BOLT (M16X2X200-MM)  
12. 8T-7338 M [2] BOLT (M16X2X45-MM)  
   
    PARTS SHOWN IN GRAPHIC(S) WITHOUT A REFERENCE NUMBER ARE NOT SERVICED SEPARATELY
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP63820497
 

328-5271: TANK & MTG GP-HYDRAULIC

328-5271 TANK & MTG GP-HYDRAULIC -REAR
S/N HKK1-UP
BRAKE COOLING, EXPANSION TANK
Type 1
FOR USE WITH @@@@@310-4706@@@@@
AN ATTACHMENT
i04349869 SEBP6382
3285271 TANK & MTG GP-HYDRAULIC Parts scheme
  For full view, you need register

Parts for your 621H WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 335-8393 Y [1] TANK GP-HYDRAULIC (BRAKE OIL EXPANSION TANK)  
2. 344-1404 [2] PLATE AS  
3. 198-4778 [12] WASHER-HARD (13.5X30X12-MM THK)  
4. 8T-4183 M [12] BOLT (M12X1.75X40-MM)  
   
    PARTS SHOWN IN GRAPHIC(S) WITHOUT A REFERENCE NUMBER ARE NOT SERVICED SEPARATELY
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP63820498
 

328-5271: TANK & MTG GP-HYDRAULIC

328-5271 TANK & MTG GP-HYDRAULIC -REAR
S/N HKK1-UP
BRAKE COOLING, EXPANSION TANK
Type 2
FOR USE WITH @@@@@310-4706@@@@@
AN ATTACHMENT
i06865290 SEBP6382
3285271 TANK & MTG GP-HYDRAULIC Parts scheme
  For full view, you need register

Parts for your 621H WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 344-5675 CM [4] NUT (M10X1.5-THD)  
2. 452-3280 CY [1] TANK GP-HYDRAULIC  
3. 198-4778 C [4] WASHER-HARD (13.5X30X12-MM THK)  
4. 8T-4183 CM [4] BOLT (M12X1.75X40-MM)  
5. 474-3019 C [1] PLATE  
6. 7X-7729 C [8] WASHER (11X25X3-MM THK)  
7. 8T-4185 CM [4] BOLT (M10X1.5X50-MM)  
  C   CHANGE FROM PREVIOUS TYPE
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP63820499
 

335-8393: TANK GP-HYDRAULIC

335-8393 TANK GP-HYDRAULIC -BRAKE OIL EXPANSION TANK
S/N HKK1-UP
PART OF 328-5271 TANK & MTG GP-HYDRAULIC
AN ATTACHMENT
i04349009 SEBP6382
3358393 TANK GP-HYDRAULIC Parts scheme
  For full view, you need register

Parts for your 621H WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4J-8251 [1] GROMMET  
2. 4J-8252 [1] GAUGE-SIGHT (HYDRAULIC TANK)  
3. 6E-2060 [1] COVER AS  
4. 9R-2630 [1] RETAINER  
5. 282-2270 [1] STRAINER-FUEL  
6. 306-3025 [1] PLATE  
7. 340-1566 [1] TANK AS  
  8T-7501 M [4] STUD-WELD (M10X1.5X38-MM)  
8. 419-4904 [1] CAP-VENTED  
9. 155-3624 [1] PLUG AS  
  9S-4182 [1] PLUG (7/16-20-THD)  
  3J-7354 [1] SEAL-O-RING  
10. 6V-5167 [1] SEAL-O-RING  
11. 6V-5839 [4] WASHER (11X21X2.5-MM THK)  
12. 8L-2777 [2] SEAL-O-RING  
13. 8T-4133 M [4] NUT (M10X1.5-THD)  
14. 9X-2125 M [2] BOLT-LOCKING (M10X1.5X25-MM)  
  M   METRIC PART
 

Information:

Caterpillar Parts SIS Catalog 621H :

PUMP GP-GEAR
360-7392 PUMP GP-GEAR
PUMP & MTG GP-IMPL & STEERING
310-5536 PUMP & MTG GP-IMPL & STEERING
PLUG GP-HYDRAULIC LINES
343-0709 PLUG GP-HYDRAULIC LINES
MOTOR GP-PISTON
338-1857 MOTOR GP-PISTON
MOTOR & MTG GP-PISTON
341-0724 MOTOR & MTG GP-PISTON
MANIFOLD GP-VALVE
345-3838 MANIFOLD GP-VALVE
MANIFOLD GP-VALVE
325-1807 MANIFOLD GP-VALVE
MANIFOLD GP-VALVE
269-9398 MANIFOLD GP-VALVE
PUMP GP-PISTON
329-8116 PUMP GP-PISTON
PUMP GP-PISTON
376-5515 PUMP GP-PISTON
ROTATING GP-PUMP
327-8163 ROTATING GP-PUMP
ROTATING GP-PUMP
452-3320 ROTATING GP-PUMP
TANK & FILTER GP-HYDRAULIC
376-2990 TANK & FILTER GP-HYDRAULIC
TANK & MTG GP-HYDRAULIC
310-5538 TANK & MTG GP-HYDRAULIC
TANK & MTG GP-HYDRAULIC
328-5271 TANK & MTG GP-HYDRAULIC
TANK & MTG GP-HYDRAULIC
328-5271 TANK & MTG GP-HYDRAULIC

Truck sale:

Caterpillar 621H
 
Caterpillar 621H
- Scrapers
ALTORFER INC.
Caterpillar 621H, Schaber, Bau-Und Bergbauausrüstung
414.750 
Caterpillar 621H, Schaber, Bau-Und Bergbauausrüstung
- Scrapers
HOLT CAT
Caterpillar 621H WW, Construction
369,791 
Caterpillar 621H WW, Construction
- Water Tankers
WAGNER EQUIPMENT CO
Caterpillar 621H, Construction
371,114 
Caterpillar 621H, Construction
- Scrapers
FINNING CANADA
Canada
Caterpillar 621H, Construction
 
Caterpillar 621H, Construction
- Scrapers
EMPIRE MACHINERY
Back to top
Contacts Request list Affiliate disclosure
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.