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374-1709 LINES GP-HYDRAULIC FAN S/N WTY1-UP PART OF 374-0212 HYDRAULIC AR ALSO AN ATTACHMENT 637K WHEEL TRACTOR-SCRAPER


HYDRAULIC SYSTEM
LINES GP-HYDRAULIC
LINES GP-CYLINDER
MANIFOLD GP
MOTOR GP
CYLINDER GP
PUMP GP

WHEEL TRACTOR-SCRAPER 637K WHEEL TRACTOR-SCRAPER WTY
 637K Wheel Tractor Scraper WTY00001-UP (MACHINE) M0068234 637K WTY   (2016)

HYDRAULIC SYSTEM

LINES GP-HYDRAULIC
LINES GP-HYDRAULIC
374-1707 LINES GP-HYDRAULIC
LINES GP-HYDRAULIC
374-1732 LINES GP-HYDRAULIC
LINES GP-HYDRAULIC FAN
374-1709 LINES GP-HYDRAULIC FAN
 

#M00682340660
 

374-1709: LINES GP-HYDRAULIC FAN

374-1709 LINES GP-HYDRAULIC FAN
S/N WTY1-UP
PART OF 374-0212 HYDRAULIC AR
ALSO AN ATTACHMENT
i06581984 M0068234
3741709 LINES GP-HYDRAULIC FAN Parts scheme 3741709 LINES GP-HYDRAULIC FAN Parts scheme
  For full view, you need register

Parts for your 637K WHEEL TRACTOR-SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 102-8705 [2] PLATE (TOP)  
2. 260-3789 [1] VALVE-BYPASS (HYDRAULIC OIL COOLER BYPASS)  
3. 345-9796 Y [1] MOTOR GP-PISTON (FAN MOTOR)  
4. 374-1745 [1] TUBE AS  
5. 459-7448 [1] TUBE AS  
6. 381-7699 I [1] HOSE AS  
7. 381-7700 I [1] HOSE AS  
8. 381-7702 I [1] HOSE AS  
9. 381-7704 [1] TUBE AS  
10. 381-7705 [1] TUBE AS  
11. 381-7706 I [1] HOSE AS  
12. 381-7707 I [1] HOSE AS  
13. 393-0755 Y [1] FILTER GP-OIL (HYDRAULIC FAN RETURN)  
14. 397-3892 [1] PLATE  
15. 397-3943 [1] TUBE AS  
16. 455-7346 [1] TUBE AS  
17. 455-7347 [1] TUBE AS  
18. 455-7348 I [1] HOSE AS  
19. 455-7354 I [1] HOSE AS  
20. 456-6348 [1] PLATE  
21. 459-7401 I [1] HOSE AS  
22. 039-8557 [4] WASHER (13X26X6-MM THK)  
23. 148-8335 [3] CONNECTOR AS  
    (EACH INCLUDES)
  5K-9090 [1] SEAL-O-RING  
  6V-8635 [1] CONNECTOR  
  7M-8485 [1] SEAL-O-RING  
24. 148-8339 [2] CONNECTOR AS  
    (EACH INCLUDES)
  6V-8716 [1] CONNECTOR (STRAIGHT)  
  6V-9746 [1] SEAL-O-RING  
  7M-8485 [1] SEAL-O-RING  
25. 148-8357 [2] ELBOW AS  
    (EACH INCLUDES)
  5K-9090 [1] SEAL-O-RING  
  6V-9008 [1] ELBOW  
  7M-8485 [1] SEAL-O-RING  
26. 148-8428 [1] TEE AS  
  3K-0360 [1] SEAL-O-RING  
  6V-8398 [2] SEAL-O-RING  
  6V-8782 [1] TEE  
27. 148-8429 [1] TEE AS  
  5K-9090 [2] SEAL-O-RING  
  6V-9840 [1] TEE-SWIVEL  
28. 153-6237 [1] ELBOW AS  
  3D-2824 [1] SEAL-O-RING  
  6V-9004 [1] ELBOW  
  6V-9746 [1] SEAL-O-RING  
29. 156-3616 [4] CLAMP-HALF  
30. 164-5548 [1] COUPLING AS  
  4I-6141 [1] ADAPTER  
  7M-8485 [1] SEAL-O-RING  
31. 178-3620 [2] STRAP-DUAL CLAMP  
32. 198-4777 [2] WASHER-HARD (11X25X10-MM THK)  
33. 205-3692 [1] ELBOW AS  
  2M-9780 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
  9X-2134 [1] ELBOW  
34. 228-8963 [2] STUD (M8X1.25-MM THD)  
35. 306-5494 [1] CLIP (LOOP)  
36. 329-3356 M [2] NUT (M12X1.75-THD)  
37. 344-5674 M [2] NUT (M8X1.25-THD)  
38. 344-5675 M [5] NUT (M10X1.5-THD)  
39. 4J-0520 [2] SEAL-O-RING  
40. 4S-1962 [2] CLIP (LOOP)  
41. 5K-9090 [3] SEAL-O-RING  
42. 5P-4116 [2] WASHER-HARD (8.8X20.5X2-MM THK)  
43. 5P-7466 [1] CLIP (SLOT)  
44. 5P-7467 [1] CLIP (TAB)  
45. 5P-8112 [1] GROMMET  
46. 5P-9297 [2] CLIP (LOOP)  
47. 6V-1889 [1] CLIP (LOOP)  
48. 6V-3265 [1] CLIP  
49. 6V-8397 [2] SEAL-O-RING  
50. 6V-9746 [4] SEAL-O-RING  
51. 7X-7729 [1] WASHER (11X25X3-MM THK)  
52. 8C-3206 [4] FLANGE-HALF  
53. 8M-2773 [3] CLIP (LOOP)  
54. 8T-0644 M [2] BOLT (M10X1.5X90-MM)  
55. 8T-1889 [6] CLIP (SLOT)  
56. 8T-1890 [6] CLIP (TAB)  
57. 8T-4121 [27] WASHER-HARD (11X21X2.5-MM THK)  
58. 8T-4136 M [10] BOLT (M10X1.5X25-MM)  
59. 8T-4137 M [1] BOLT (M10X1.5X20-MM)  
60. 8T-4194 M [2] BOLT (M12X1.75X50-MM)  
61. 8T-4195 M [2] BOLT (M10X1.5X30-MM)  
62. 8T-4196 M [10] BOLT (M10X1.5X35-MM)  
63. 3P-2404 [1] CLIP  
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#M00682340661
 

374-1721: LINES GP-LIFT CYLINDER

374-1721 LINES GP-LIFT CYLINDER
S/N WTY1-UP
PART OF 374-0282 HYDRAULIC AR
ALSO AN ATTACHMENT
i06581517 M0068234
3741721 LINES GP-LIFT CYLINDER Parts scheme
  For full view, you need register

Parts for your 637K WHEEL TRACTOR-SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 335-6408 [2] PLATE  
2. 381-7709 I [2] HOSE AS  
3. 381-7710 [1] TUBE AS  
4. 381-7714 I [1] HOSE AS  
5. 381-7715 I [1] HOSE AS  
6. 381-7716 [1] TUBE AS  
7. 381-7717 [1] TUBE AS  
8. 381-7718 I [1] HOSE AS  
9. 381-7721 [1] TEE-FLANGE  
10. 416-6179 [4] BLOCK  
11. 450-1014 [1] TUBE AS  
12. 459-7450 I [1] HOSE AS  
13. 474-1964 Y [1] VALVE & MTG GP-HYDRAULIC (DRIFT REDUCTION)  
14. 148-8335 [1] CONNECTOR AS  
  6V-8635 [1] CONNECTOR  
  5K-9090 [1] SEAL-O-RING  
  7M-8485 [1] SEAL-O-RING  
15. 148-8429 [1] TEE AS  
  6V-9840 [1] TEE-SWIVEL  
  5K-9090 [2] SEAL-O-RING  
16. 173-1437 [2] FLANGE-HALF  
17. 1P-3703 [6] SEAL-RECTANGULAR  
18. 1P-3704 [2] SEAL-RECTANGULAR  
19. 1P-5767 [2] FLANGE-HALF  
20. 241-6168 [1] PLUG AS  
  9S-4191 [1] PLUG (9/16-18-THD)  
  6V-3250 [1] SEAL-O-RING  
21. 2V-2209 [4] SPACER (13.9X21.3X55.6-MM THK)  
22. 4J-0520 [6] SEAL-O-RING  
23. 4J-0522 [1] SEAL-O-RING  
24. 6V-0400 [8] FLANGE-HALF  
25. 8C-3206 [10] FLANGE-HALF  
26. 8K-4691 [4] CLAMP-HALF  
27. 8T-4121 [32] WASHER-HARD (11X21X2.5-MM THK)  
28. 8T-4183 M [8] BOLT (M12X1.75X40-MM)  
29. 8T-4186 M [16] BOLT (M10X1.5X40-MM)  
30. 8T-4194 M [20] BOLT (M12X1.75X50-MM)  
31. 8T-4196 M [4] BOLT (M10X1.5X35-MM)  
32. 8T-4198 M [4] BOLT (M10X1.5X100-MM)  
33. 8T-4223 [32] WASHER-HARD (13.5X25.5X3-MM THK)  
34. 8T-6466 M [8] BOLT (M10X1.5X60-MM)  
35. 8T-6868 M [4] BOLT (M12X1.75X80-MM)  
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#M00682340662
 

491-3780: MANIFOLD & VALVE GP

491-3780 MANIFOLD & VALVE GP
S/N WTY1-UP
PART OF 374-1701 VALVE & MTG GP-HYDRAULIC
ALSO AN ATTACHMENT
i06840194 M0068234
4913780 MANIFOLD & VALVE GP Parts scheme
  For full view, you need register

Parts for your 637K WHEEL TRACTOR-SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 340-1771 P [1] VALVE GP-PRIORITY (BRAKE)  
2. 340-1772 S [1] VALVE GP-COMPENSATING (HYDRAULIC FAN)  
3. 340-1766 L [1] VALVE GP-RELIEF (BRAKE ACCUMULATOR CHARGE)  
4. 510-4007 V [1] VALVE GP-DIVERTER (DIFFERENTIAL LOCK)  
5. 505-1828 U [1] VALVE GP-PRESSURE REDUCING (BRAKE ACCUMULATOR CHARGE)  
6. 340-1776 T [1] VALVE GP-PRESSURE REDUCING (BRAKE)  
7. 340-1767 N [1] VALVE GP-SHUTTLE (BRAKE PUMP)  
8. 473-9694 [1] PLUG-ORIFICE  
9. 338-0511 Y [1] VALVE GP-SOLENOID (24-VDC)(HYDRAULIC FAN)  
10. 241-5889 [1] VALVE GP-SHUTTLE (BRAKE ACCUMULATOR)  
  272-6538 [1] KIT-SEAL  
    (INCLUDES SEALS & BACK-UP RINGS)
11. 251-3268 Y [1] VALVE GP-SOLENOID (24-VOLT)(BRAKE CHARGING)  
12. 302-8161 J [1] VALVE GP-CHECK (BRAKE ACCUMULATOR PRESSURE)  
  8M-8997 [1] SEAL-O-RING  
13. 333-8242 [1] VALVE GP-SOLENOID (24-VOLT)(DIFFERENTIAL LOCK)  
  384-8750 [1] COIL AS (24-VOLT)  
14. 9S-8001 [30] PLUG  
15. 4J-7533 [30] SEAL-O-RING  
16. 9S-8005 [2] PLUG (3/4-16-THD)  
17. 3K-0360 [2] SEAL-O-RING  
18. 9S-8004 [7] PLUG (9/16-18-THD)  
19. 3J-1907 [7] SEAL-O-RING  
20. 9S-8002 [1] PLUG (7/16-20-THD)  
21. 3J-7354 [1] SEAL-O-RING  
22. 283-3462 [1] SCREEN (BRAKE OIL, HYD FAN OIL)  
23. 348-3583 [1] PLUG-ORIFICE  
24. 359-4688 [1] PLUG-ORIFICE  
   
    AVAILABLE REPAIR KIT(S):
  272-6538 [1] KIT-SEAL  
    (INCLUDES SEALS & BACK-UP RINGS)
  159-9038 J [1] KIT-VALVE SEAL (CHECK VALVE)  
    (INCLUDES SEALS & BACK-UP RING)
  333-9152 L [1] KIT-SEAL  
    (INCLUDES SEALS & BACK-UP RINGS)
  189-2102 N [1] KIT-SEAL (VALVE)  
    (INCLUDES SEALS & BACK-UP RINGS)
  237-8260 P [1] KIT-SEAL  
    (INCLUDES SEALS & BACK-UP RINGS)
  227-5511 S [1] KIT-SEAL  
    (INCLUDES SEALS & BACK-UP RINGS)
  264-5726 T [1] KIT-SEAL  
    (INCLUDES SEALS & BACK-UP RINGS)
  224-7135 U [1] KIT-SEAL  
    (INCLUDES SEALS & BACK-UP RINGS)
  166-0321 V [1] KIT-SEAL (CONTROL VALVE)  
    (INCLUDES SEALS & BACK-UP RINGS)
  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
  S   KIT MARKED S SERVICES PART(S) MARKED S
  T   KIT MARKED T SERVICES PART(S) MARKED T
  U   KIT MARKED U SERVICES PART(S) MARKED U
  V   KIT MARKED V SERVICES PART(S) MARKED V
  Y   SEPARATE ILLUSTRATION
 

#M00682340663
 

345-9796: MOTOR GP-PISTON

345-9796 MOTOR GP-PISTON
S/N WTY1-UP
PART OF 374-1709 LINES GP-HYDRAULIC FAN
ALSO AN ATTACHMENT
i04625049 M0068234
3459796 MOTOR GP-PISTON Parts scheme
  For full view, you need register

Parts for your 637K WHEEL TRACTOR-SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 258-0139 [1] SEAL-SHAFT  
2. 9S-8006 [1] PLUG (7/8-14-THD)  
3. 2M-9780 [1] SEAL-O-RING  
4. 368-9259 [1] SWASHPLATE  
5. 368-9258 Y [1] ROTATING GP-PUMP  
6. 192-7470 [1] SEAL-O-RING  
7. 095-0690 M [4] BOLT-SOCKET HEAD (M14X2X60-MM)  
8. 139-0570 [1] RING  
9. 128-1929 [1] PIN-DOWEL  
10. 9T-9529 [2] PIN  
11. 3P-1210 [1] CONE-BEARING  
12. 160-4089 [1] RING-RETAINING  
13. 368-9260 [1] SHAFT-DRIVE  
14. 9W-2109 [1] CONE-BEARING  
15. 168-2203 B [1] SHIM-SHAFT (3-MM THK)  
16. 9S-8005 [1] PLUG (3/4-16-THD)  
17. 3K-0360 [1] SEAL-O-RING  
18. 197-2471 [1] PLUG AS  
  197-2472 [1] SEAL  
19. 242-3374 [1] SLEEVE  
20. 197-2474 [1] VALVE AS  
21. 8J-0412 [1] CUP-BEARING  
22. 9W-2110 [1] CUP-TAPERED ROLLER  
   
    AVAILABLE REPAIR KIT(S):
  336-4682 [1] KIT-SEAL (PISTON)  
    (INCLUDES SEALS)
  B   USE AS REQUIRED
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#M00682340664
 

374-0228: PIN GP-CYLINDER

374-0228 PIN GP-CYLINDER
S/N WTY1-UP
PART OF 374-0248 SCRAPER AR
ALSO AN ATTACHMENT
i06580980 M0068234
3740228 PIN GP-CYLINDER Parts scheme
  For full view, you need register

Parts for your 637K WHEEL TRACTOR-SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3G-4434 [2] PIN AS  
2. 397-7903 [2] PIN AS  
3. 7X-0393 [8] BOLT (7/8-9X6.5-IN)  
4. 8C-6913 [8] WASHER-HARD (24X41.5X4-MM THK)  
 

#M00682340665
 

374-1712: PUMP & MTG GP-IMPL & STEERING

374-1712 PUMP & MTG GP-IMPL & STEERING
S/N WTY1-UP
PART OF 374-0212 HYDRAULIC AR
ALSO AN ATTACHMENT
i06581755 M0068234
3741712 PUMP & MTG GP-IMPL & STEERING Parts scheme
  For full view, you need register

Parts for your 637K WHEEL TRACTOR-SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8N-7294 [1] RETAINER-PIN  
2. 388-2190 [1] COUPLING  
3. 388-2191 [1] COUPLING  
4. 388-2192 [1] COUPLING  
5. 392-0230 Y [1] PUMP GP-PISTON (BRAKE, FAN)  
6. 397-9456 Y [1] PUMP GP-PISTON (CUSHION-HITCH, STEERING)  
7. 398-1956 Y [1] PUMP GP-PISTON (IMPLEMENT)  
8. 226-4192 [4] WASHER-HARD (21.5X35X8-MM THK)  
9. 2D-1523 [1] RING-RETAINING  
10. 317-1009 [2] WASHER (18X35X8-MM THK)  
11. 329-3356 M [4] NUT (M12X1.75-THD)  
12. 365-6813 [4] WASHER-HARD (13.5X27X8-MM THK)  
13. 5D-4311 [1] SEAL-O-RING  
14. 5F-3999 [2] SEAL-O-RING  
15. 8T-4131 M [4] NUT (M20X2.5-THD)  
16. 8T-4193 M [2] BOLT (M16X2X50-MM)  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#M00682340666
 

248-5605: PUMP GP-GEAR

248-5605 PUMP GP-GEAR
S/N WTY1-UP
PART OF 374-1713 PUMP GP-GEAR
ALSO AN ATTACHMENT
i02385502 M0068234
2485605 PUMP GP-GEAR Parts scheme
  For full view, you need register

Parts for your 637K WHEEL TRACTOR-SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 131-0715 J [1] SEAL-SHAFT  
2. 204-4148 J [1] SEAL-SHAFT  
3. 6E-2943 [1] PLUG  
4. 099-3095 [4] DOWEL  
5. 196-5731 [1] PLATE  
6. 8J-6273 J [1] RING-RETAINING  
7. 204-4147 [1] FLANGE  
8. 4H-5128 [1] PIN-SPRING  
9. 086-2369 M [2] BOLT-SOCKET HEAD (M10X1.5X130-MM)  
10. 095-0659 M [2] BOLT-SOCKET HEAD (M10X1.5X85-MM)  
11. 004-1964 J [2] SEAL-O-RING  
12. 255-3712 [1] COUPLING  
   
    PARTS SHOWN IN GRAPHIC(S) WITHOUT A REFERENCE NUMBER ARE NOT SERVICED SEPARATELY
   
    AVAILABLE REPAIR KIT(S):
  201-5242 J [1] KIT-SEAL (GEAR PUMP)  
    (INCLUDES SEALS & RINGS)
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
 

#M00682340667
 

374-1713: PUMP GP-GEAR

374-1713 PUMP GP-GEAR
S/N WTY1-UP
SCAVENGE
PART OF 374-0212 HYDRAULIC AR
ALSO AN ATTACHMENT
i06582314 M0068234
3741713 PUMP GP-GEAR Parts scheme
  For full view, you need register

Parts for your 637K WHEEL TRACTOR-SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 248-5605 Y [1] PUMP GP-GEAR (SCAVENGE)  
2. 107-5769 [1] SEAL-O-RING  
3. 5P-1075 [2] WASHER-HARD (10.2X22.5X3-MM THK)  
4. 9B-7237 [2] BOLT (3/8-16X1.25-IN)  
  Y   SEPARATE ILLUSTRATION
 

#M00682340668
 

392-0187: PUMP GP-PISTON

392-0187 PUMP GP-PISTON
S/N WTY1-UP
STEERING
PART OF 397-9456 PUMP GP-PISTON
ALSO AN ATTACHMENT
i06581792 M0068234
3920187 PUMP GP-PISTON Parts scheme
  For full view, you need register

Parts for your 637K WHEEL TRACTOR-SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 095-0942 [1] RING-RETAINING  
2. 176-7507 [2] BEARING-CRADLE  
3. 280-7870 [1] GASKET  
4. 421-4306 Y [1] ROTATING GP-PUMP (STEERING)  
5. 5P-9186 [4] SEAL-O-RING  
6. 7Y-0467 M [4] BOLT-SOCKET HEAD (M18X2.5X55-MM)  
7. 6Y-2736 [1] CONE-BEARING  
8. 6Y-2737 [1] CUP-BEARING  
9. 430-7539 [1] COUPLER  
10. 247-3761 [1] SPACER (45X3-MM THK)  
11. 107-3114 [1] SEAL-O-RING  
12. 176-7513 [1] PLUNGER  
13. 176-7512 [1] SPRING  
14. 176-7511 [1] GUIDE-PLUNGER  
15. 421-4307 [1] SHAFT-DRIVE  
16. 1B-3908 [1] CONE-BEARING  
17. 1B-3909 [1] CUP-BEARING  
18. 203-1095 [1] SEAL  
19. 176-7516 [1] SWASHPLATE AS  
20. 176-7517 [1] PISTON-CONTROL  
21. 176-7518 [1] GUIDE-PISTON  
22. 3J-7354 [1] SEAL-O-RING  
23. 123-2017 [3] PLUG-BREAK OFF  
24. 7X-2438 [1] DOWEL  
25. 421-4308 [1] PLATE  
26. 227-5904 [1] SEAL-O-RING  
27. 8T-8442 M [4] BOLT-SOCKET HEAD (M6X1X30-MM)  
28. 9S-8002 [1] PLUG (7/16-20-THD)  
29. 347-0612 Y [1] VALVE GP-PUMP CONTROL (FLOW COMPENSATOR)(STEERING)  
30. 176-7692 [1] SLEEVE-STOP  
31. 176-7693 [1] RING-BEARING  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#M00682340669
 

392-0230: PUMP GP-PISTON

392-0230 PUMP GP-PISTON
S/N WTY1-UP
BRAKE, HYDRAULIC FAN
PART OF 374-1712 PUMP & MTG GP-IMPL & STEERING
Type 1
ALSO AN ATTACHMENT
i06276972 M0068234
3920230 PUMP GP-PISTON Parts scheme 3920230 PUMP GP-PISTON Parts scheme
  For full view, you need register

Parts for your 637K WHEEL TRACTOR-SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 180-6213 [1] RING-RETAINING  
2. 6E-4003 [2] BEARING  
3. 6E-4006 Y [1] ROTATING GP-PUMP  
4. 3E-6769 [4] SEAL-O-RING  
5. 095-9805 M [4] BOLT-SOCKET HEAD (M14X2X40-MM)  
6. 1P-6872 [1] CUP-BEARING  
7. 109-1779 [1] CONE-BEARING  
8. 6E-4000 [1] SPACER (25.5X35X3-MM THK)  
9. 3E-6770 [1] SEAL-O-RING  
10. 9S-8006 [1] PLUG (7/8-14-THD)  
11. 2M-9780 [1] SEAL-O-RING  
12. 162-1604 [1] SHAFT-DRIVE  
13. 3B-5790 [1] CUP-BEARING  
14. 292-5254 [1] CONE-TAPERED  
15. 6E-4004 [2] SEAL-SHAFT  
16. 121-3042 [1] SWASHPLATE AS  
17. 120-4394 [1] PLUG-BREAK OFF  
18. 9X-8979 [1] DOWEL  
19. 347-0612 Y [1] VALVE GP-PUMP CONTROL (FLOW COMPENSATOR)(BRAKE, HYDRAULIC FAN)  
20. 8T-8442 M [4] BOLT-SOCKET HEAD (M6X1X30-MM)  
21. 9S-8002 [1] PLUG (7/16-20-THD)  
22. 3J-7354 [1] SEAL-O-RING  
23. 173-0641 [1] PLUG-FILTER  
24. 280-7870 [1] GASKET  
25. 262-0347 [1] KIT-PUMP (PISTON)  
    (INCLUDES PISTONS, GUIDE, CYLINDER, & SPRING)
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

Information:

Caterpillar Parts SIS Catalog 637K :

LINES GP-HYDRAULIC
374-1732 LINES GP-HYDRAULIC
LINES GP-HYDRAULIC
374-1707 LINES GP-HYDRAULIC
LINES GP-EJECTOR
459-7441 LINES GP-EJECTOR
LINES GP-EJECTOR
374-1722 LINES GP-EJECTOR
LINES GP-CUSHION-HITCH
374-1708 LINES GP-CUSHION-HITCH
LINES GP-CUSHION-HITCH
374-1708 LINES GP-CUSHION-HITCH
LINES GP-CUSHION-HITCH
374-1708 LINES GP-CUSHION-HITCH
LINES GP-BOWL SIDE
374-1719 LINES GP-BOWL SIDE
LINES GP-LIFT CYLINDER
374-1721 LINES GP-LIFT CYLINDER
MANIFOLD & VALVE GP
491-3780 MANIFOLD & VALVE GP
MOTOR GP-PISTON
345-9796 MOTOR GP-PISTON
PIN GP-CYLINDER
374-0228 PIN GP-CYLINDER
PUMP & MTG GP-IMPL & STEERING
374-1712 PUMP & MTG GP-IMPL & STEERING
PUMP GP-GEAR
248-5605 PUMP GP-GEAR
PUMP GP-GEAR
374-1713 PUMP GP-GEAR
PUMP GP-PISTON
392-0187 PUMP GP-PISTON
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