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338-3666 VALVE GP-CONTROL S/N NYY1-UP CUSHION-HITCH PART OF 310-5530 LINES GP-CUSHION-HITCH 621H WHEEL TRACTOR


HYDRAULIC SYSTEM
VALVE GP
VALVE GP-MANIFOLD
PUMP GP
VALVE GP-PRESSURE REDUCING
VALVE GP-RELIEF
VALVE GP-SHUTTLE
VALVE GP-SOLENOID

WHEEL TRACTOR 621H WHEEL TRACTOR NYY
 621H OEM Wheel Tractor NYY00001-UP (MACHINE) POWERED BY C13 Engine SEBP6381 621H NYY   (2013)

HYDRAULIC SYSTEM

VALVE GP
VALVE GP-CONTROL
325-1809 VALVE GP-CONTROL
VALVE GP-CONTROL
325-1811 VALVE GP-CONTROL
VALVE GP-CONTROL
338-3666 VALVE GP-CONTROL
VALVE GP-CONTROL
345-3829 VALVE GP-CONTROL
 

#SEBP63810420
 

338-3666: VALVE GP-CONTROL

338-3666 VALVE GP-CONTROL
S/N NYY1-UP
CUSHION-HITCH
PART OF 310-5530 LINES GP-CUSHION-HITCH
i04349629 SEBP6381
3383666 VALVE GP-CONTROL Parts scheme
  For full view, you need register

Parts for your 621H WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5S-4455 [1] RING-RETAINING  
2. 3G-8532 [1] COVER  
3. 5J-4698 [1] SPRING  
4. 5K-6698 [1] RING-RETAINING  
5. 6E-2577 [1] SPRING  
7. 6E-5010 J [1] VALVE GP-CHECK  
8. 8J-6815 [1] PLUG-ORIFICE  
11. 109-8040 [1] PLUG-ORIFICE  
12. 289-0401 [2] PLUG AS  
    (EACH INCLUDES)
  4B-9783 [1] BALL  
  4J-1183 [1] SEAT-SPRING  
18. 030-8535 [1] BOLT-LOCKING (3/8-16X0.875-IN)  
19. 113-3137 [1] SPACER (8.4X20.39X2-MM THK)  
23. 1P-4578 [4] FLANGE-HALF  
24. 207-8218 [1] PLUG AS  
  7J-0204 [1] SEAL-O-RING  
  9S-8007 [1] PLUG  
25. 2M-9780 [1] SEAL-O-RING  
27. 4J-0521 [1] SEAL-O-RING  
28. 4J-0525 [2] SEAL-O-RING  
29. 6V-8197 M [2] BOLT (M12X1.75X40-MM)  
30. 375-9141 [1] SEAL-LIP TYPE  
31. 6V-8638 [1] CONNECTOR  
32. 7F-8607 [2] SEAL-O-RING  
33. 2D-6392 [1] SEAL-O-RING  
34. 8C-3206 [4] FLANGE-HALF  
35. 8F-9538 [1] SEAL-O-RING  
36. 8M-7145 [1] WASHER (10.2X28.5X5-MM THK)  
37. 8T-4121 [16] WASHER-HARD (11X21X2.5-MM THK)  
38. 8T-4196 M [16] BOLT (M10X1.5X35-MM)  
39. 8T-4896 [1] WASHER-HARD (10.2X18.5X2.5-MM THK)  
40. 8T-4910 M [4] BOLT (M12X1.75X60-MM)  
41. [1] VALVE GP-CONTROL  
42. 479-2613 Y [1] MANIFOLD GP-CONTROL (CUSHION-HITCH)  
43. 6M-5062 [1] SEAL-O-RING  
   
    AVAILABLE REPAIR KIT(S):
  6E-4750 J [1] KIT-SEAL (CHECK VALVE)  
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP63810421
 

345-3829: VALVE GP-CONTROL

345-3829 VALVE GP-CONTROL
S/N NYY1-UP
PART OF 325-1796 VALVE GP-BANK 4
AN ATTACHMENT
i04325989 SEBP6381
3453829 VALVE GP-CONTROL Parts scheme
  For full view, you need register

Parts for your 621H WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1T-0936 [1] PLUG-ORIFICE  
2. 1U-4596 Y [1] VALVE GP-RELIEF (IMPLEMENT PILOT OIL)  
3. 2W-1776 [1] SPRING  
5. 9W-7783 [1] PLUG  
6. 148-2557 [1] PLUG  
7. 148-9359 [2] PLUG  
10. 240-1863 [2] SPRING  
11. 240-1865 [2] SPRING  
12. 240-1866 [2] RETAINER-SPRING  
13. 240-1867 [2] PLUG-RETAINER  
14. 240-6016 [1] PLUG-RETAINER  
15. 240-6017 [1] SPRING  
17. 270-0350 Y [1] VALVE GP-CHECK (PILOT OIL)  
18. 272-1046 [1] VALVE GP-CHECK (LOAD)  
  276-5435 [1] KIT-SEAL (CHECK VALVE)  
    (INCLUDES RINGS)
19. 313-7668 Y [2] VALVE GP-SOLENOID (24-VOLT)(PILOT PROPORTIONING)  
23. 183-7263 [1] PLUG AS  
  9S-8002 [1] PLUG (7/16-20-THD)  
  3J-7354 [1] SEAL-O-RING  
24. 222-4737 [2] PLUG AS  
    (EACH INCLUDES)
  9S-4180 [1] PLUG  
  4J-7533 [1] SEAL-O-RING  
25. 1P-3703 [1] SEAL-RECTANGULAR  
26. 4J-9535 [2] SEAL-O-RING  
27. 4K-1388 [1] SEAL-O-RING  
28. 5F-8000 [1] SEAL-O-RING  
29. 6J-3134 [6] SEAL-O-RING  
30. 7M-8485 [2] SEAL-O-RING  
   
    PARTS SHOWN IN GRAPHIC(S) WITHOUT A REFERENCE NUMBER ARE NOT SERVICED SEPARATELY
  Y   SEPARATE ILLUSTRATION
 

#SEBP63810422
 

363-5985: VALVE GP-MANIFOLD & RELIEF

363-5985 VALVE GP-MANIFOLD & RELIEF
S/N NYY1-UP
PART OF 325-1796 VALVE GP-BANK 4
AN ATTACHMENT
i04326030 SEBP6381
3635985 VALVE GP-MANIFOLD & RELIEF Parts scheme
  For full view, you need register

Parts for your 621H WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 345-6969 J [1] VALVE GP-RELIEF  
2. 9S-8004 [1] PLUG (9/16-18-THD)  
3. 3J-1907 [1] SEAL-O-RING  
4. 9S-8001 [4] PLUG  
5. 4J-7533 [4] SEAL-O-RING  
   
    AVAILABLE REPAIR KIT(S):
  308-1838 J [1] KIT-SEAL  
    (INCLUDES RINGS)
  J   KIT MARKED J SERVICES PART(S) MARKED J
 

#SEBP63810423
 

346-9615: VALVE GP-PUMP CONTROL

346-9615 VALVE GP-PUMP CONTROL
S/N NYY1-UP
PART OF 316-8366 PUMP GP-PISTON
i03901647 SEBP6381
3469615 VALVE GP-PUMP CONTROL Parts scheme
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Parts for your 621H WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 280-7870 [1] GASKET  
2. 8T-8442 M [4] BOLT-SOCKET HEAD (M6X1X30-MM)  
3. 6E-6528 [2] SEAL  
4. 033-6043 [1] SEAL-O-RING  
5. 6V-8352 [1] SEAL-O-RING  
6. 200-5362 [2] SEAL-O-RING  
7. 200-5363 [2] RING-THRUST  
  M   METRIC PART
 

#SEBP63810424
 

297-1615: VALVE GP-REDUCING

297-1615 VALVE GP-REDUCING
S/N NYY1-UP
PART OF 298-4784 MANIFOLD & VALVE GP
AN ATTACHMENT
i05182919 SEBP6381
2971615 VALVE GP-REDUCING Parts scheme
  For full view, you need register

Parts for your 621H WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9J-0403 [1] SPRING  
2. 193-1664 [1] VALVE GP-CONTROL (PRESSURE REDUCING)  
3. 301-5241 [1] RING-BACKUP  
4. 301-5242 [1] RING-BACKUP  
5. 301-5243 [1] RING-BACKUP  
6. 3J-1907 [2] SEAL-O-RING  
7. 4J-5268 [1] SEAL-O-RING  
8. 4J-5351 [1] SEAL-O-RING  
9. 5J-2974 [1] SEAL-O-RING  
10. 5P-6719 [1] PLUG  
 

#SEBP63810425
 

1U-4596: VALVE GP-RELIEF

1U-4596 VALVE GP-RELIEF
S/N NYY1-UP
PILOT OPERATED
PART OF 345-3829 VALVE GP-CONTROL
AN ATTACHMENT
i00354578 SEBP6381
1U4596 VALVE GP-RELIEF Parts scheme
  For full view, you need register

Parts for your 621H WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 030-0167 [1] RING-BACKUP  
2. 8L-2779 [1] SEAL-O-RING  
3. 033-6036 [2] SEAL-O-RING  
4. 3P-0647 [1] SEAL-O-RING  
5. 9J-0707 [2] RING-BACKUP  
6. 2P-2975 [1] SEAL-O-RING  
7. 033-5879 [1] SEAL-O-RING  
8. 9J-0705 [1] RING-BACKUP  
 

#SEBP63810426
 

270-0352: VALVE GP-RELIEF

270-0352 VALVE GP-RELIEF
S/N NYY1-UP
PILOT OPERATED
PART OF 325-1811 VALVE GP-CONTROL
AN ATTACHMENT
i04325849 SEBP6381
2700352 VALVE GP-RELIEF Parts scheme
  For full view, you need register

Parts for your 621H WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 030-0167 [1] RING-BACKUP  
2. 8L-2779 [1] SEAL-O-RING  
3. 033-6036 [2] SEAL-O-RING  
4. 3P-0647 [1] SEAL-O-RING  
5. 9J-0707 [2] RING-BACKUP  
6. 2P-2975 [1] SEAL-O-RING  
 

#SEBP63810427
 

305-0025: VALVE GP-RELIEF

305-0025 VALVE GP-RELIEF
S/N NYY1-UP
PILOT OPERATED
PART OF 325-1811 VALVE GP-CONTROL
AN ATTACHMENT
i03129198 SEBP6381
3050025 VALVE GP-RELIEF Parts scheme
  For full view, you need register

Parts for your 621H WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 030-0167 [1] RING-BACKUP  
2. 8L-2779 [1] SEAL-O-RING  
3. 033-6036 [2] SEAL-O-RING  
4. 3P-0647 [1] SEAL-O-RING  
5. 9J-0707 [2] RING-BACKUP  
6. 2P-2975 [1] SEAL-O-RING  
 

#SEBP63810428
 

260-8590: VALVE GP-SHUTTLE

260-8590 VALVE GP-SHUTTLE
S/N NYY1-UP
BALL RESOLVER
PART OF 379-1098 VALVE GP-BANK 3, 325-1796 VALVE GP-BANK 4, 278-7599, 325-1808 VALVE GP-CONTROL
AN ATTACHMENT
i02189110 SEBP6381
2608590 VALVE GP-SHUTTLE Parts scheme
  For full view, you need register

Parts for your 621H WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3J-7354 J [1] SEAL-O-RING  
2. 9N-1756 J [1] SEAL-O-RING  
3. 3H-0442 J [1] SEAL-O-RING  
   
    AVAILABLE REPAIR KIT(S):
  240-7356 J [1] KIT-SEAL (SHUTTLE VALVE)  
    (INCLUDES BACKUP RINGS & PARTS MARKED J)
  J   KIT MARKED J SERVICES PART(S) MARKED J
 

#SEBP63810429
 

148-3551: VALVE GP-SOLENOID

148-3551 VALVE GP-SOLENOID
S/N NYY1-UP
24 VOLT
PART OF 380-8400 VALVE GP-SOLENOID
AN ATTACHMENT
i01268821 SEBP6381
1483551 VALVE GP-SOLENOID Parts scheme
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Parts for your 621H WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 127-4404 [1] NUT (1/2-20-THD)  
2. 138-1974 J [1] VALVE AS  
3. 218-9894 [1] COIL AS (24-VOLT)  
  1S-9593 [2] STRAP-CABLE  
  8T-8729 [2] PIN-CONNECTOR (16-GA TO 18-GA)  
  102-8802 [1] KIT-RECEPTACLE (2-PIN)  
    (INCLUDES RECEPTACLE AS & WEDGE)
   
    AVAILABLE REPAIR KIT(S):
  3G-8175 J [1] KIT-SEAL  
    (INCLUDES RING & SEALS)
  J   KIT MARKED J SERVICES PART(S) MARKED J
 

Information:

Caterpillar Parts SIS Catalog 621H :

VALVE GP-CONTROL
325-1811 VALVE GP-CONTROL
VALVE GP-CONTROL
325-1809 VALVE GP-CONTROL
VALVE GP-CONTROL
325-1808 VALVE GP-CONTROL
VALVE GP-CONTROL
298-4766 VALVE GP-CONTROL
VALVE GP-CONTROL
278-7599 VALVE GP-CONTROL
VALVE GP-CONTROL
278-7599 VALVE GP-CONTROL
VALVE GP-CONTROL
248-1348 VALVE GP-CONTROL
VALVE GP-COMBINATION
326-4648 VALVE GP-COMBINATION
VALVE GP-CONTROL
345-3829 VALVE GP-CONTROL
VALVE GP-MANIFOLD & RELIEF
363-5985 VALVE GP-MANIFOLD & RELIEF
VALVE GP-PUMP CONTROL
346-9615 VALVE GP-PUMP CONTROL
VALVE GP-REDUCING
297-1615 VALVE GP-REDUCING
VALVE GP-RELIEF
1U-4596 VALVE GP-RELIEF
VALVE GP-RELIEF
270-0352 VALVE GP-RELIEF
VALVE GP-RELIEF
305-0025 VALVE GP-RELIEF
VALVE GP-SHUTTLE
260-8590 VALVE GP-SHUTTLE

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