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8J7344 SELECTOR VALVE GROUP Serial No. 68K846-Up Part of Cushion Hitch Lines and Valves shown on Page 169 657B


HYDRAULIC SYSTEM
VALVE GP-SELECTOR
CYLINDER GP
OPERATOR STATION
CONTROL GP-HYDRAULIC
FRAME AND BODY
HITCH GP
OPERATOR STATION
CONTROL GP-HYDRAULIC
FRAME AND BODY
HITCH GP

WHEEL TRACTOR 657B WHEEL TRACTOR 68K
 657B TRACTOR 68K00001-00892 (MACHINE) UEG0139S 657B 68K   (1969)

HYDRAULIC SYSTEM

VALVE GP-SELECTOR
VALVE GP-SELECTOR
7J-4012 VALVE GP-SELECTOR
SELECTOR VALVE GROUP
8J-7344 SELECTOR VALVE GROUP
SELECTOR VALVE GROUP
6J-9931 SELECTOR VALVE GROUP
 

#UEG0139S0530
 

8J-7344: SELECTOR VALVE GROUP

8J7344 SELECTOR VALVE GROUP
Serial No. 68K846-Up
Part of Cushion Hitch Lines and Valves shown on Page 169
c143503 UEG0139S
8J7344 SELECTOR VALVE GROUP Parts scheme
  For full view, you need register

Parts for your 657B WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2B-2695 [4] BOLT  
  7H-3937 [4] LOCKWASHER  
2. 1B-8702 [1] KEY  
3. 7F-8267 [1] SEAL  
4. 2H-3738 [1] BOLT  
5. 5J-7401 [1] COVER  
6. 7J-3270 [1] BODY GROUP  
7. 4J-3044 [1] BEARING  
8. 4J-5309 [1] SEAL  
9. 7J-3331 [1] SPRING  
10. 7J-3274 [1] RETAINER  
11. 7J-3273 [1] CAP  
12. 4J-0522 [1] SEAL  
13. 6J-6472 [1] COVER  
14. 0S-1591 [2] BOLT  
15. 3B-4506 [6] LOCKWASHER  
16. 7J-3272 [1] HOUSING GROUP  
17. 4J-3047 [1] BEARING  
18. 6F-7418 [1] BOLT (Socket Head)  
19. 0S-1588 [4] BOLT  
20. 3B-4505 [1] LOCKWASHER  
  4L-1468 [1] WASHER  
21. 4J-5573 [1] SEAL  
22. 4J-1184 [2] PLUG ASSEM.  
  3J-7810 [1] SPRING  
  4B-9783 [1] BALL  
23. 7F-8607 [2] SEAL  
24. 9S-8008 [1] PLUG  
25. 3D-2824 [1] SEAL  
26. 6J-0001 [1] LEVER  
27. 4J-3043 [1] SEAL  
28. 8J-7346 [1] SHAFT  
 

#UEG0139S0531
 

7J-4623: LOAD CYLINDER

7J4623 LOAD CYLINDER--8.25" Bore x 10" Stroke
Serial No. 68K1 to 68K626 inclusive
c107879 UEG0139S
7J4623 LOAD CYLINDER Parts scheme
  For full view, you need register

Parts for your 657B WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4J-8734 [1] NUT  
2. 4J-7376 [1] RING  
3. 5J-5559 [2] SEAL ASSEM.  
4. 5J-8622 [1] PISTON  
5. 7J-4622 [1] CYLINDER ASSEM.  
6. 5J-8612 [1] BEARING  
    (Part of 7J4622 Cylinder Assem.)
7. 1J-2176 [1] SEAL  
8. 2J-0744 [1] RING  
9. 2H-3856 [2] BOLT  
10. 3B-4514 [8] LOCKWASHER  
11. 5J-8350 [1] SEAL  
12. 4J-8981 [1] WIPER  
13. 5J-8614 [1] ROD ASSEM.  
14. 5J-8612 [1] BEARING  
    (Part of 5J8614 Rod Assem.)
15. 1D-4627 [6] BOLT  
16. 7J-3610 [1] HEAD  
17. 6J-6736 [1] SEAL  
 

#UEG0139S0532
 

7J-4623: LOAD CYLINDER

7J4623 LOAD CYLINDER--8.25" Bore x 10" Stroke
Effective with Serial No. 68K627
c206619 UEG0139S
7J4623 LOAD CYLINDER Parts scheme
  For full view, you need register

Parts for your 657B WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4J-8734 [1] NUT  
2. 4J-7376 [1] RING  
3. 5J-5559 [2] SEAL ASSEM.  
4. 7J-6146 [1] PISTON  
5. 7J-4622 [1] CYLINDER ASSEM.  
    (Includes)
6. 5J-8612 [1] BEARING  
7. 1J-2176 [1] SEAL  
8. 2J-0744 [1] RING  
9. 2H-3856 [2] BOLT  
10. 3B-4514 [8] LOCKWASHER  
11. 5J-8350 [1] SEAL  
12. 4J-8981 [1] WIPER  
13. 7J-6144 [1] ROD ASSEM.  
    (Includes)
14. 5J-8612 [1] BEARING  
15. 1D-4627 [6] BOLT  
16. 9J-5522 C [1] HEAD  
17. 6J-6736 [1] SEAL  
18. 7J-6145 [1] WASHER  
  C   INDICATES CHANGE
 

#UEG0139S0533
 

7J-2231: FLOW CONTROL AND RELIEF VALVE GROUP

7J2231 FLOW CONTROL AND RELIEF VALVE GROUP
Serial No. 68K1 to 68K569 inclusive
Part of Cushion Hitch Valve shown on Page 174
c107875 UEG0139S
7J2231 FLOW CONTROL AND RELIEF VALVE GROUP Parts scheme
  For full view, you need register

Parts for your 657B WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  [1] BODY GROUP  
1. [1] BODY  
2. [1] PLUG  
3. [1] STEM  
4. [1] VALVE  
5. [1] SPRING  
6. [1] PLUG  
  [1] SEAL  
7. [3] SPACER (.036" Thick)  
  [1] SPACER (.016" Thick)  
8. [1] SPRING  
9. [1] PLUG  
  [1] SEAL  
10. [1] PLUG  
  [1] SEAL  
11. [1] ROD  
12. [1] VALVE  
13. [1] COVER  
14. [2] BOLT  
15. [6] LOCKWASHER  
16. [1] SPACER  
17. [1] SEAL  
18. [1] SPRING  
19. [2] BOLT  
20. [4] BOLT  
21. [2] FLANGE  
22. [1] ADAPTER  
23. [1] SEAL  
 

#UEG0139S0534
 

7J-2231: FLOW CONTROL AND RELIEF VALVE GROUP

7J2231 FLOW CONTROL AND RELIEF VALVE GROUP--Type 1
Serial No. 68K570-Up
Part of Cushion Hitch Valve shown on Pages 174 and 174B
c137133 UEG0139S
7J2231 FLOW CONTROL AND RELIEF VALVE GROUP Parts scheme
  For full view, you need register

Parts for your 657B WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  7J-1423 [1] BODY GROUP  
1. [1] BODY  
2. 4J-6751 [1] PLUG  
3. [1] STEM  
4. 1H-0337 [1] VALVE  
5. 9F-6705 [1] SPRING  
6. 9S-8005 [1] PLUG  
  3K-0360 [1] SEAL  
7. 5J-2721 C [4] SHIM  
  4M-1751 [1] SPACER (.016" Thick)  
8. 2J-6089 C [1] SPRING  
9. [1] PLUG  
  2M-9780 [1] SEAL  
10. 9S-8001 [1] PLUG  
  4J-7533 [1] SEAL  
11. 6J-1311 [1] ROD  
12. 1J-8497 [1] VALVE  
13. 5J-7668 [1] COVER  
14. 0S-1594 [2] BOLT  
15. 3B-4506 [6] LOCKWASHER  
16. 4J-6750 [1] SPACER  
17. 4J-0519 [1] SEAL  
18. 8J-4508 C [1] SPRING  
19. 8H-3127 [2] BOLT  
20. 0S-1590 [4] BOLT  
21. 2K-0190 [2] FLANGE  
22. 7J-1424 [1] ADAPTER  
23. 4J-8997 [1] SEAL  
  C   INDICATES CHANGE
 

#UEG0139S0535
 

7J-4420: CUSHION HITCH LINES GROUP

7J4420 CUSHION HITCH LINES GROUP
Refer also to Page 211 for special parts
c206620 UEG0139S
7J4420 CUSHION HITCH LINES GROUP Parts scheme
  For full view, you need register

Parts for your 657B WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1D-4707 [2] BOLT  
2. 3B-4507 [12] LOCKWASHER  
3. 4F-5192 [6] BOLT  
4. 7J-3474 [1] CONNECTOR  
5. 9J-7347 C [1] BRACKET  
6. 7J-3476 [1] TUBE ASSEM.  
7. 6J-3650 [3] SEAL  
8. 0S-1595 [4] BOLT  
9. 4B-4280 [7] WASHER  
  3B-4508 [7] LOCKWASHER  
10. 0T-0768 [4] BOLT  
11. 0L-2070 [2] BOLT 2.25 in. (5.72 cm) long  
2. 3B-4506 [4] LOCKWASHER  
13. 0S-1619 [2] BOLT 3 in. (7.62 cm) long  
14. 1D-4574 [3] BOLT  
  1D-4719 [3] NUT  
15. 9B-0523 [3] SPACER  
16. 6J-3625 [1] SEAL  
  C   INDICATES CHANGE
 

#UEG0139S0536
 

7J-2231: FLOW CONTROL AND RELIEF VALVE GROUP

7J2231 FLOW CONTROL AND RELIEF VALVE GROUP--Type 2
Serial No. 68K570-Up
Part of Cushion Hitch Valve shown on Pages 174 and 174B
c138712 UEG0139S
7J2231 FLOW CONTROL AND RELIEF VALVE GROUP Parts scheme
  For full view, you need register

Parts for your 657B WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7J-1423 [1] BODY GROUP  
  [1] BODY  
2. 4J-6751 [1] PLUG  
3. [1] STEM  
4. 1H-0337 [1] VALVE  
5. 9F-6705 [1] SPRING  
6. 9S-4187 C [1] PLUG  
  3K-0360 [1] SEAL  
7. 5B-9905 C [1] PLUG  
  3J-7473 C [8] SHIM (.005" Thick)  
  3J-7470 C [1] SHIM (.048" Thick)  
8. 2J-6089 [1] SPRING  
9. 9S-4189 C [1] PLUG  
  2M-9780 [1] SEAL  
10. 9S-8001 [1] PLUG  
  4J-7533 [1] SEAL  
11. 6J-1311 [1] ROD  
12. 1J-8497 [1] VALVE  
13. 5J-7668 [1] COVER  
14. 0S-1594 [2] BOLT  
15. 3B-4506 C [2] LOCKWASHER  
16. 4J-6750 [1] SPACER  
17. 4J-0519 [1] SEAL  
18. 8J-4508 [1] SPRING  
19. 8H-3127 [2] BOLT  
20. 0S-1590 [4] BOLT  
21. 1P-4576 C [2] FLANGE  
22. 7J-1424 [1] ADAPTER  
23. 4J-8997 [1] SEAL  
  C   INDICATES CHANGE
 

#UEG0139S0537
 

7J-2231: FLOW CONTROL AND RELIEF VALVE GROUP

7J2231 FLOW CONTROL AND RELIEF VALVE GROUP--Type 3
Serial No. 68K570-Up
Part of Cushion Hitch Valves shown on Pages 174 and 174B
c205849 UEG0139S
7J2231 FLOW CONTROL AND RELIEF VALVE GROUP Parts scheme
  For full view, you need register

Parts for your 657B WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7J-1423 [1] BODY GROUP  
2. 4J-6751 [1] PLUG  
3. 9S-8002 [1] PLUG  
  3J-7354 C [1] SEAL  
4. 1H-0337 [1] VALVE  
5. 9F-6705 [1] SPRING  
6. 9S-4187 [1] PLUG  
  3K-0360 [1] SEAL  
7. 3J-7473 [8] SHIM .005 in. (13 mm) thick  
  3J-7470 [1] SHIM .048 in. (1.22 mm) thick  
8. 2J-6089 [1] SPRING  
9. 9S-4189 [1] PLUG  
  2M-9780 [1] SEAL  
10. 9S-8001 [1] PLUG  
  4J-7533 [1] SEAL  
11. 6J-1311 [1] ROD  
12. 1J-8497 [1] VALVE  
13. 5J-7668 [1] COVER  
14. 0S-1594 [2] BOLT  
15. 3B-4506 [2] LOCKWASHER  
16. 4J-6750 [1] SPACER  
17. 4J-0519 [1] SEAL  
18. 8J-4508 [1] SPRING  
19. 8H-3127 [2] BOLT  
20. 0S-1590 [4] BOLT  
21. 1P-4576 [2] FLANGE  
22. 7K-1424 [1] ADAPTER  
23. 4J-8997 [1] SEAL  
24. 4B-4278 C [4] WASHER  
  C   INDICATES CHANGE
 

#UEG0139S0538
 

7J-0651: VALVE GP-HITCH

CUSHION HITCH VALVE (7J651 N/S)--Part 1 of 2
Serial No. 68K1 to 571, 573, 582 and 68K594 inclusive
7J2231, 7J2233 and 8J5896 Valve parts are shown on Pages 172B,
173, 176, 176-1, 176-2 and 176-3
c137575 UEG0139S
7J0651 VALVE GP-HITCH Parts scheme
  For full view, you need register

Parts for your 657B WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3J-7354 [3] SEAL  
2. 9S-8002 [3] PLUG  
3. 5J-4700 [3] SPRING  
4. 2D-6642 [3] BALL  
5. 3H-3667 [4] FLANGE  
6. 0T-0320 [8] BOLT  
7. 3B-4507 [17] LOCKWASHER  
8. 3J-1907 [1] SEAL  
9. 3B-4508 [3] LOCKWASHER  
10. 6F-5282 [1] BOLT  
11. 7H-3472 [4] BOLT  
12. 7J-2233 [1] VALVE GROUP  
    -OR-
  8J-5896 Y [1] VALVE GROUP  
    (See Separate Illustration)
13. 9S-8001 [1] PLUG  
  4J-7533 [1] SEAL  
14. 0S-1588 [9] BOLT (1.25" long)  
15. 3B-4506 [18] LOCKWASHER  
16. 1H-3305 [4] FLANGE  
17. 0T-0768 [5] BOLT  
18. 7J-1409 [1] COVER  
19. 0T-0055 [3] BOLT (4.25" long)  
20. 4J-0519 [1] SEAL  
21. 0S-1587 [2] BOLT  
22. 5J-4597 [1] GUIDE  
23. 5J-4598 [1] HOUSING  
24. 4J-5140 [1] SEAL  
25. 0S-1608 [2] BOLT  
26. 0T-0573 [2] BOLT  
27. 5J-4559 [1] GASKET  
28. 0L-1143 [2] BOLT  
29. 9S-8005 [1] PLUG  
  3K-0360 [1] SEAL  
30. 7J-2231 Y [1] VALVE GROUP  
    (See Separate Illustration)
31. 9S-8004 [1] PLUG  
  Y   SEPARATE ILLUSTRATION
 

#UEG0139S0539
 

7J-0651: VALVE GP-HITCH

CUSHION HITCH VALVE (7J651 N/S)--Part 2 of 2
Serial No. 68K1 to 571, 573, 582 and 68K594 inclusive
c107874 UEG0139S
7J0651 VALVE GP-HITCH Parts scheme
  For full view, you need register

Parts for your 657B WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. [1] SEAL  
2. [1] STOP  
3. [1] SPRING  
4. [1] RETAINER  
5. [3] BOLT  
  [3] LOCKWASHER  
6. [1] WASHER  
7. [2] WASHER  
8. [2] SEAL  
9. [7] SEAL  
10. [1] SPRING  
11. [1] SPRING  
12. [4] RETAINER  
  [1] BODY GROUP  
13. [1] BODY  
14. [3] STEM  
15. [1] BEARING  
  [1] BEARING (Closed End)  
16. [2] PIN  
17. [3] SEAL  
18. [1] SEAL  
19. [1] SEAL  
20. [1] SHAFT  
21. [1] LINK  
22. [1] SPRING  
23. [1] LEVER  
24. [1] SHAFT  
25. [1] BOLT  
 

Information:

Specifications
Selector Valve<BR> (6J9931)
627 & 657 WHEEL TRACTOR-SCRAPERS HYDRAULIC SYSTEM
Selector Valve<BR> (8J7344)
631C, 637, 641B, 651B, & 657B WHEEL TRACTORS CUSHION-HITCH
Selector Valve
627, 637 & 657 TRACTORS PUSH-PULL HYDRAULIC SYSTEM
Disassembly and Assembly
Cushion Hitch Selector Valve
657-666 SCRAPER VEHICLE SYSTEMS
Service Magazine
New Seal Used In Cushion-Hitch Selector Valve{5319}
1985/04/22
New Breaker Relief Valve Lowers Pressure And Prevents Vacuum In Hydraulic Tank{5056,5065}
1977/03/28

Caterpillar Parts SIS Catalog 657B :

VALVE GP-SELECTOR
7J-4012 VALVE GP-SELECTOR
FILTER GP-HYDRAULIC OIL
7J-0680 FILTER GP-HYDRAULIC OIL
FILTER GP-HYDRAULIC OIL
7J-0680 FILTER GP-HYDRAULIC OIL
LINES & VALVE GP
6D-9720 LINES & VALVE GP
LINES & VALVE GP
6D-9720 LINES & VALVE GP
LINES & VALVE GP
6D-9720 LINES & VALVE GP
LINES & VALVE GP
6D-9720 LINES & VALVE GP
LINES & VALVE GP
6D-9720 LINES & VALVE GP
LOAD CYLINDER
7J-4623 LOAD CYLINDER
LOAD CYLINDER
7J-4623 LOAD CYLINDER
FLOW CONTROL AND RELIEF VALVE GROUP
7J-2231 FLOW CONTROL AND RELIEF VALVE GROUP
FLOW CONTROL AND RELIEF VALVE GROUP
7J-2231 FLOW CONTROL AND RELIEF VALVE GROUP
CUSHION HITCH LINES GROUP
7J-4420 CUSHION HITCH LINES GROUP
FLOW CONTROL AND RELIEF VALVE GROUP
7J-2231 FLOW CONTROL AND RELIEF VALVE GROUP
FLOW CONTROL AND RELIEF VALVE GROUP
7J-2231 FLOW CONTROL AND RELIEF VALVE GROUP
VALVE GP-HITCH
7J-0651 VALVE GP-HITCH

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