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459-7442 LINES GP-BRAKE S/N WTX1-UP PART OF 374-0262 HYDRAULIC AR ALSO AN ATTACHMENT 637K WHEEL TRACTOR




BRAKING SYSTEM

LINES GP
 

#SEBP72780610
 

459-7442: LINES GP-BRAKE

459-7442 LINES GP-BRAKE
S/N WTX1-UP
PART OF 374-0262 HYDRAULIC AR
ALSO AN ATTACHMENT
i06584355 SEBP7278
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Parts for your 637K WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6V-0852 [1] CAP-DUST  
2. 381-7801 I [1] HOSE AS  
3. 381-7802 I [1] HOSE AS  
4. 381-7803 I [1] HOSE AS  
5. 392-7249 I [2] HOSE AS  
6. 395-1940 [2] PLATE  
7. 148-8375 [2] ELBOW AS  
    (EACH INCLUDES)
  6V-8398 [2] SEAL-O-RING  
  6V-8981 [1] ELBOW  
8. 148-8427 [1] TEE AS  
  6V-8398 [3] SEAL-O-RING  
  8T-6895 [1] TEE-UNION  
9. 150-4034 [2] TEE AS  
    (EACH INCLUDES)
  6V-8397 [3] SEAL-O-RING  
  8T-0379 [1] TEE-BULKHEAD  
10. 164-5567 [1] COUPLER AS-QUICK DISCONNECT (MALE)  
  6V-3965 [1] FITTING (QUICK DISCONNECT)  
  214-7568 [1] SEAL-O-RING  
11. 164-5586 [1] TEE AS  
  6V-8398 [1] SEAL-O-RING  
  7X-0871 [1] TEE  
12. 1S-0994 [9] CLIP (LOOP)  
13. 330-9757 [4] ELBOW AS  
    (EACH INCLUDES)
  8T-1905 [1] ELBOW  
  214-7568 [1] SEAL-O-RING  
  228-7089 [1] SEAL-O-RING  
14. 5K-1094 [6] LOCKWASHER  
15. 6V-8367 [4] LOCKWASHER  
16. 6V-9168 [2] NUT (11/16-16-THD)  
17. 6V-9169 [3] NUT (13/16-16-THD)  
18. 8T-4121 [8] WASHER-HARD (11X21X2.5-MM THK)  
19. 8T-4195 M [8] BOLT (M10X1.5X30-MM)  
20. 392-9248 I [4] HOSE AS  
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  M   METRIC PART
 

#SEBP72780611
 

382-3097: MANIFOLD GP-CONTROL

382-3097 MANIFOLD GP-CONTROL -PILOT
S/N WTX1-UP
PART OF 374-1707 LINES GP-HYDRAULIC
ALSO AN ATTACHMENT
i05445165 SEBP7278
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Parts for your 637K WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 177-3868 H [1] VALVE GP-CHECK (PILOT PRESSURE SUPPLY)  
  3K-0360 [1] SEAL-O-RING  
2. 335-1074 J [1] VALVE GP-PRESSURE REDUCING (IMPLEMENT PILOT OIL)  
3. 313-7668 Y [1] VALVE GP-SOLENOID (24-VOLT)(HYDRAULIC LOCKOUT)  
4. 6V-3965 [1] FITTING (QUICK DISCONNECT)  
5. 6V-0852 [1] CAP-DUST  
6. 6V-0895 [1] SEAL-O-RING  
   
    AVAILABLE REPAIR KIT(S):
  120-9051 H [1] KIT-SEAL (CHECK VALVE)  
    (INCLUDES O-RINGS & RETAINER RING)
  224-7135 J [1] KIT-SEAL (PRESSURE REDUCING VALVE)  
    (INCLUDES O-RINGS & BACKUP RINGS)
  H   KIT MARKED H SERVICES PART(S) MARKED H
  J   KIT MARKED J SERVICES PART(S) MARKED J
  Y   SEPARATE ILLUSTRATION
 

#SEBP72780612
 

416-8979: MANIFOLD GP-CONTROL

416-8979 MANIFOLD GP-CONTROL
S/N WTX1-UP
PART OF 374-1701 VALVE & MTG GP-HYDRAULIC
ALSO AN ATTACHMENT
i06581795 SEBP7278
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Parts for your 637K WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 340-1771 H [1] VALVE GP-PRIORITY (BRAKE)  
2. 340-1772 J [1] VALVE GP-COMPENSATING (HYDRAULIC FAN)  
3. 340-1766 L [1] VALVE GP-RELIEF (BRAKE ACCUMULATOR CHARGE)  
4. 340-1774 N [1] VALVE GP-DIVERTER (DIFFERENTIAL LOCK)  
5. 340-1775 P [1] VALVE GP-PRESSURE REDUCING (DIFFERENTIAL LOCK)  
6. 340-1776 T [1] VALVE GP-PRESSURE REDUCING (BRAKE)  
7. 340-1767 W [1] VALVE GP-SHUTTLE (BRAKE ACCUMULATOR)  
8. 368-2114 [1] VALVE GP-RELIEF (PILOT OPERATED)  
  2M-9780 [1] SEAL-O-RING  
  4K-2039 [1] SEAL-O-RING  
9. 338-0511 Y [1] VALVE GP-SOLENOID (24-VDC)(HYDRAULIC FAN)  
10. 241-5889 [1] VALVE GP-SHUTTLE (BRAKE PUMP)  
  272-6538 [1] KIT-SEAL  
    (INCLUDES SEALS & RINGS)
11. 459-3777 Y [1] VALVE GP-SOLENOID (PARKING BRAKE RELEASE)  
12. 302-8161 U [1] VALVE GP-CHECK (BRAKE ACCUMULATOR PRESSURE)  
  8M-8997 [1] SEAL-O-RING  
13. 333-8242 [1] VALVE GP-SOLENOID (24-VOLT)(HYDRAULIC LOCKOUT)  
  384-8750 [1] COIL AS (24-VOLT)  
14. 9S-8001 [27] PLUG  
15. 4J-7533 [27] SEAL-O-RING  
16. 9S-8005 [2] PLUG (3/4-16-THD)  
17. 3K-0360 [2] SEAL-O-RING  
18. 9S-8004 [9] PLUG (9/16-18-THD)  
19. 3J-1907 [9] SEAL-O-RING  
20. 9S-8002 [1] PLUG (7/16-20-THD)  
21. 3J-7354 [1] SEAL-O-RING  
22. 283-3462 [2] SCREEN (BRAKE OIL, HYD FAN OIL)  
23. 348-3583 [1] PLUG-ORIFICE  
24. 473-9694 [1] PLUG-ORIFICE  
   
    AVAILABLE REPAIR KIT(S):
  237-8260 H [1] KIT-SEAL  
    (INCLUDES RINGS)
  227-5511 J [1] KIT-SEAL  
    (INCLUDES SEALS & RINGS)
  333-9152 L [1] KIT-SEAL  
    (INCLUDES RINGS)
  166-0321 N [1] KIT-SEAL (CONTROL VALVE)  
    (INCLUDES SEALS & RINGS)
  141-0889 P [1] KIT-SEAL  
    (INCLUDES SEALS & RINGS)
  264-5726 T [1] KIT-SEAL  
    (INCLUDES SEALS & RINGS)
  159-9038 U [1] KIT-VALVE SEAL (CHECK VALVE)  
    (INCLUDES SEALS & RINGS)
  189-2102 W [1] KIT-SEAL (VALVE)  
    (INCLUDES SEALS & RINGS)
  H   KIT MARKED H SERVICES PART(S) MARKED H
  J   KIT MARKED J SERVICES PART(S) MARKED J
  L   KIT MARKED L SERVICES PART(S) MARKED L
  N   KIT MARKED N SERVICES PART(S) MARKED N
  P   KIT MARKED P SERVICES PART(S) MARKED P
  T   KIT MARKED T SERVICES PART(S) MARKED T
  U   KIT MARKED U SERVICES PART(S) MARKED U
  W   KIT MARKED W SERVICES PART(S) MARKED W
  Y   SEPARATE ILLUSTRATION
 

#SEBP72780613
 

479-2713: MANIFOLD GP-CONTROL

479-2713 MANIFOLD GP-CONTROL
S/N WTX1-UP
PART OF 380-4910 VALVE GP-CONTROL
ALSO AN ATTACHMENT
i06508503 SEBP7278
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Parts for your 637K WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 479-2101 [1] MANIFOLD  
2. 8J-6815 [1] PLUG-ORIFICE  
3. 102-7607 [1] SPRING  
4. 352-2734 [1] VALVE GP-SOLENOID (24-VOLT)(CUSHION-HITCH)  
  367-8532 [1] COIL AS (24-VOLT)  
  426-4823 [1] KIT-SEAL (SOLENOID VALVE)  
    (INCLUDES O-RINGS & BACKUP RINGS)
  465-5627 M [1] NUT-SPECIAL (M18X1.5-THD)  
5. 398-5596 [1] PLUG AS  
  238-5080 [1] SEAL-O-RING  
  360-3680 [1] PLUG  
6. 398-5601 [1] PLUG AS  
  238-5081 [1] SEAL-O-RING  
  360-3681 [1] PLUG (7/8-14-THD)  
7. 398-5604 [2] PLUG AS  
    (EACH INCLUDES)
  238-5078 [1] SEAL-O-RING  
  360-3675 [1] PLUG (5/16-24-THD)  
   
  2D-6392 F [1] SEAL-O-RING  
  4J-0521 F [1] SEAL-O-RING  
  4J-0525 F [1] SEAL-O-RING  
  6M-5062 F [1] SEAL-O-RING  
  8F-9538 F [1] SEAL-O-RING  
  F   NOT SHOWN
  M   METRIC PART
 

#SEBP72780614
 

396-2095: VALVE GP-BRAKE CONTROL

396-2095 VALVE GP-BRAKE CONTROL
S/N WTX1-UP
PART OF 420-1691 CONTROL GP-SERVICE BRAKE
ALSO AN ATTACHMENT
i06579688 SEBP7278
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Parts for your 637K WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 106-5505 [1] HARNESS AS-BRAKE (PEDAL BASE)  
  102-8804 [1] KIT-RECEPTACLE (4-PIN)  
    (INCLUDES RECEPTACLE AS & WEDGE)
  8C-8514 [1] SCREW-MACHINE (8-32X0.375-IN)  
  8T-8729 [4] PIN-CONNECTOR (16-GA TO 18-GA)  
  5P-2957 [4] TERMINAL-BLADE (14-GA TO 16-GA)  
    -OR-
  5P-5602 [4] TERMINAL-BLADE (18-GA TO 22-GA)  
2. 416-5427 J [1] VALVE GP-BRAKE CONTROL  
3. 353-5262 [1] PEDAL GP-BRAKE  
  105-6117 [1] SWITCH AS-LIMIT  
  105-6118 [1] SWITCH AS-LIMIT  
   
    AVAILABLE REPAIR KIT(S):
  204-0273 J [1] KIT-REPAIR  
    (INCLUDES SEALS & BOOT)
  142-1743 [1] KIT-SEAL  
    (INCLUDES SEALS)
  J   KIT MARKED J SERVICES PART(S) MARKED J
 

#SEBP72780615
 

338-0511: VALVE GP-SOLENOID

338-0511 VALVE GP-SOLENOID
S/N WTX1-UP
24-VOLT
PART OF 491-3780 MANIFOLD & VALVE GP, 416-8979 MANIFOLD GP-CONTROL
ALSO AN ATTACHMENT
i04335821 SEBP7278
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Parts for your 637K WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. [1] ADAPTER AS  
1A. 212-6027 [2] RING  
1B. 221-9963 [1] RING  
1C. 033-5879 [1] SEAL-O-RING  
1D. 033-6033 [1] SEAL-O-RING  
1E. 8L-2786 [1] SEAL-O-RING  
2. 191-9247 [1] WASHER (19.15X31.65X2.36-MM THK)  
3. 198-2914 [1] NUT (3/4-32-THD)  
4. 312-8629 [1] COIL AS (24-VOLT)  
5. 316-1438 [1] CARTRIDGE AS  
  214-7568 [2] SEAL-O-RING  
 

#SEBP72780616
 

349-4389: VALVE GP-SOLENOID

349-4389 VALVE GP-SOLENOID
S/N WTX1-UP
24-VOLT
PART OF 374-1702 LINES GP-BRAKE
ALSO AN ATTACHMENT
i04048230 SEBP7278
  For full view, you need register

Parts for your 637K WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  277-8863 F [1] VALVE GP-SOLENOID (24-VOLT)  
1. 384-8750 [1] COIL AS (24-VOLT)  
    *ITEMS WITHOUT CALLOUTS ARE NOT SERVICED SEPARATELY
  F   NOT SHOWN
 

#SEBP72780617
 

459-3777: VALVE GP-SOLENOID

459-3777 VALVE GP-SOLENOID
S/N WTX1-UP
PART OF 416-8979 MANIFOLD GP-CONTROL
ALSO AN ATTACHMENT
i06054561 SEBP7278
  For full view, you need register

Parts for your 637K WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 384-8750 [1] COIL AS (24-VOLT)  
   
    AVAILABLE REPAIR KIT(S):
  332-5669 [1] KIT-SEAL (SOLENOID VALVE)  
    (INCLUDES O-RINGS & BACKUP RINGS)
 

#SEBP72780618
 

384-2577: CYLINDER GP-STEERING

384-2577 CYLINDER GP-STEERING
S/N WTX1-UP
140-MM (5.5-IN) BORE X 1,112.5-MM (47.2-IN) STROKE
PART OF 374-0262 HYDRAULIC AR
ALSO AN ATTACHMENT
i06582411 SEBP7278
  For full view, you need register

Parts for your 637K WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 262-7591 [1] PISTON  
2. 264-0614 [1] HEAD  
3. 375-1602 [1] SEAL-WIPER  
4. 391-8199 [1] CYLINDER AS  
  391-8201 [1] CAP AS  
4A. 7J-9365 [2] BUSHING  
5. 391-8203 [1] ROD AS  
5A. 8J-9926 [1] BUSHING  
6. 167-2235 [1] SEAL AS-BUFFER  
7. 167-2299 [1] SEAL-U-CUP  
8. 2K-2961 [1] RING-BACKUP  
9. 3J-9545 [1] LOCKNUT (2-12-THD)  
10. 190-3010 [1] SEAL-O-RING  
11. 316-2516 [1] SEAL-O-RING  
12. 4J-4606 [1] RING-WEAR  
13. 8C-9200 [1] RING-WEAR  
14. 9X-3598 [1] SEAL AS  
 

#SEBP72780619
 

374-1736: LINES GP-SECONDARY STEERING

374-1736 LINES GP-SECONDARY STEERING
S/N WTX1-UP
PART OF 374-0192 STEERING AR-SECONDARY
Type 1
AN ATTACHMENT
i06584541 SEBP7278
  For full view, you need register

Parts for your 637K WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5P-1293 E HOSE (18.5-CM EACH)  
2. 289-9520 [1] BRACKET AS  
3. 382-4297 [2] BRACKET AS  
4. 391-0112 I [1] HOSE AS  
5. 391-0113 I [1] HOSE AS  
6. 391-0114 I [1] HOSE AS  
7. 395-0275 Y [1] VALVE GP-UNLOADING (DIVERTER)  
8. 396-7616 [1] TUBE AS  
9. 396-7620 [1] TUBE  
10. 459-7438 [1] TUBE AS  
11. 459-7439 I [1] HOSE AS  
12. 132-7551 [4] SPACER (11X19X6-MM THK)  
13. 148-8325 [1] CONNECTOR AS  
  6V-8641 [1] CONNECTOR  
  [1] SEAL  
  4J-5477 [1] SEAL-O-RING  
14. 148-8356 [1] ELBOW AS  
  6V-9009 [1] ELBOW  
  2S-4078 [1] SEAL-O-RING  
  6V-8400 [1] SEAL-O-RING  
15. 148-8357 [1] ELBOW AS  
  6V-9008 [1] ELBOW  
  5K-9090 [1] SEAL-O-RING  
  7M-8485 [1] SEAL-O-RING  
16. 148-8368 [2] ELBOW AS  
    (EACH INCLUDES)
  6V-8627 [1] ELBOW  
  3J-1907 [1] SEAL-O-RING  
  4J-5477 [1] SEAL-O-RING  
17. 178-3620 [1] STRAP-DUAL CLAMP  
18. 1P-3708 [2] SEAL-RECTANGULAR  
19. 344-5675 M [1] NUT (M10X1.5-THD)  
20. 5P-9299 [2] CLIP (LOOP)  
21. 7X-2543 M [4] BOLT (M10X1.5X120-MM)  
22. 7X-7729 [3] WASHER (11X25X3-MM THK)  
23. 8T-0646 M [4] BOLT (M12X1.75X110-MM)  
24. 8T-4121 [3] WASHER-HARD (11X21X2.5-MM THK)  
25. 8T-4136 M [1] BOLT (M10X1.5X25-MM)  
26. 8T-4137 M [1] BOLT (M10X1.5X20-MM)  
27. 8T-4192 M [1] BOLT (M12X1.75X25-MM)  
28. 8T-4194 M [4] BOLT (M12X1.75X50-MM)  
29. 8T-4196 M [3] BOLT (M10X1.5X35-MM)  
30. 8T-4223 [9] WASHER-HARD (13.5X25.5X3-MM THK)  
31. 8T-4984 [8] CLAMP-HOSE  
32. 9D-6196 [3] CLIP (SLOT)  
33. 9D-6197 [3] CLIP (TAB)  
34. 6V-0852 [1] CAP-DUST  
35. 164-5567 [1] COUPLER AS-QUICK DISCONNECT (MALE)  
  6V-3965 [1] FITTING (QUICK DISCONNECT)  
  214-7568 [1] SEAL-O-RING  
  E   ORDER BY THE CENTIMETER
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

Information:

Caterpillar Parts SIS Catalog 637K :

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