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5J9380 CYLINDER AND VALVE GROUP--L.H.--Type 2 Serial No. 28E4839, 29E6764 & 30E1709-Up For D8 Tractors Serial No. 36A4469-Up & 46A10725-Up. 6J608 Valve & 5J9378 Cylinder parts are shown on Pages 20A & 23 8A


HYDRAULIC SYSTEM
CYLINDER GP

BULLDOZER 8A BULLDOZER 28E
 8A, 8C, 8S & 8U BULLDOZERS 28E04839-07290 UE036239 8A 28E   (1976)

HYDRAULIC SYSTEM

CYLINDER GP
CYLINDER AND VALVE GROUP
5J-9380 CYLINDER AND VALVE GROUP
CYLINDER AND VALVE GROUP
5J-7223 CYLINDER AND VALVE GROUP
CYLINDER AND VALVE GROUP
5J-9380 CYLINDER AND VALVE GROUP
LIFT CYLINDER GROUP
5J-2539 LIFT CYLINDER GROUP
LIFT CYLINDER GROUP
5J-9378 LIFT CYLINDER GROUP
CYLINDER GP-LIFT
5J-9708 CYLINDER GP-LIFT
 

#UE0362390040
 

5J-9380: CYLINDER AND VALVE GROUP

5J9380 CYLINDER AND VALVE GROUP--L.H.--Type 2
Serial No. 28E4839, 29E6764 & 30E1709-Up
For D8 Tractors Serial No. 36A4469-Up & 46A10725-Up. 6J608 Valve & 5J9378 Cylinder parts are shown on Pages 20A & 23
c112370 UE036239
5J9380 CYLINDER AND VALVE GROUP Parts scheme
  For full view, you need register

Parts for your 8A BULLDOZER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6J-0608 Y [1] VALVE GROUP  
    (See Separate Illustration)
2. 0S-1585 [2] BOLT  
3. 3B-4508 [8] LOCKWASHER  
4. 5J-1359 [1] SEAL  
5. 2K-0190 [4] FLANGE  
6. 0S-1588 [8] BOLT  
7. 3B-4506 [12] LOCKWASHER  
8. 5J-9379 [1] TUBE ASSEM.  
9. 0L-1143 [2] BOLT (2.50" long)  
10. 0S-1591 [2] BOLT (1.50" long)  
11. 5J-1356 [1] SEAL  
12. 5J-9378 Y [1] CYLINDER GROUP  
    (See Separate Illustration)
13. 6H-1717 [1] BOLT  
  4B-4280 [1] WASHER  
14. 5J-9355 [1] TUBE ASSEM.  
15. 5J-3513 [1] CLAMP  
16. 5J-1357 [2] SEAL  
17. 0L-1329 [3] BOLT (3" Long)  
18. 1A-1460 [2] BOLT (2" Long)  
19. 5J-1358 [1] SEAL  
  Y   SEPARATE ILLUSTRATION
 

#UE0362390041
 

5J-2539: LIFT CYLINDER GROUP

5J2539 LIFT CYLINDER GROUP--5" Bore x 46" Stroke
Part of 5J7223 Cylinder and Valve Group shown on Page 21
c94123 UE036239
5J2539 LIFT CYLINDER GROUP Parts scheme
  For full view, you need register

Parts for your 8A BULLDOZER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4J-3420 [1] RING  
2. 5J-5020 [1] SEAL ASSEM.  
3. 5J-2527 [2] WASHER  
4. 5J-2536 [1] CYLINDER ASSEM.  
5. 3J-4315 [2] BRACKET  
6. 5J-1192 [2] BEARING  
    (Parts of 5J2536 Cylinder Assem.)
7. 5J-0753 [1] LINK ASSEM.  
8. 1A-8063 [2] BOLT (2.50" Long)  
9. 1D-4610 [2] BOLT (3.25" Long)  
10. 3B-4512 [4] LOCKWASHER  
11. 4F-8421 [6] SHIM  
12. 2J-3243 [1] RETAINER  
13. 0S-1591 [4] BOLT  
14. 3B-4506 [4] LOCKWASHER  
15. 3J-5753 [1] BEARING  
16. 4J-2941 [8] SHIM  
17. 3J-3668 [1] PIN  
18. 0S-1587 [1] BOLT  
19. 3B-4508 [4] LOCKWASHER  
20. 0V-0375 [3] BOLT  
21. 3J-5752 [1] BEARING  
22. 2J-3271 [1] PIN  
23. 3J-5751 [1] TRUNNION  
24. 3B-8489 [1] FITTING  
25. 1K-6982 [1] SEAL  
26. 4F-8420 [1] PACKING  
27. 5J-2538 [1] HEAD  
28. 2K-4096 [1] RING  
29. 5F-3144 [1] SEAL  
30. 1B-4439 [1] NUT  
31. 3B-5301 [1] COTTER PIN  
32. 5J-2526 R [1] ROD  
33. 5J-2531 [1] PISTON ASSEM.  
34. 5J-2528 [2] PLUNGER  
35. 5J-2529 [4] INSERT  
    (Parts of 5J2531 Piston Assem.)
36. 5J-5731 [1] NUT  
  R   REMFG PART MAY BE AVAILABLE
 

#UE0362390042
 

5J-9378: LIFT CYLINDER GROUP

5J9378 LIFT CYLINDER GROUP--5" Bore x 46" Stroke--L.H.
Part of 5J9380 Cylinder and Valve Group shown on Pages 21 and 21B
c112371 UE036239
5J9378 LIFT CYLINDER GROUP Parts scheme
  For full view, you need register

Parts for your 8A BULLDOZER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. [1] PISTON ASSEM.  
2. [2] PLUNGER  
3. [4] INSERT  
4. [1] RING  
5. [1] SEAL ASSEM.  
6. R [1] CYLINDER ASSEM.  
  [2] BLOCK  
7. [1] BRACKET  
8. [2] BEARING  
9. [1] HEAD  
10. [2] BOLT (2.50" long)  
  [2] BOLT (3.25" long)  
  [4] LOCKWASHER  
11. [1] RETAINER  
12. [4] BOLT  
  [4] LOCKWASHER  
13. [1] FITTING  
14. [1] BEARING  
15. [3] BOLT  
  [3] LOCKWASHER  
16. [1] TRUNNION  
17. [1] SEAL  
18. [1] BEARING  
19. [8] SHIM (.010" Thick)  
20. [6] SHIM (.010" Thick)  
21. [1] PACKING  
22. [1] RING  
23. [1] SEAL  
24. R [1] ROD ASSEM.  
25. [1] NUT  
  [2] WASHER  
26. [1] NUT  
  [1] COTTER PIN  
27. [1] LINK ASSEM.  
  R   REMFG PART MAY BE AVAILABLE
 

#UE0362390043
 

5J-9708: CYLINDER GP-LIFT

5J9708 LIFT CYLINDER GROUP--5" Bore x 46" Stroke--R.H.
Part of 5J9709 Cylinder and Valve Group shown on Pages 20A, 20B & 20C
c112372 UE036239
5J9708 CYLINDER GP-LIFT Parts scheme
  For full view, you need register

Parts for your 8A BULLDOZER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. [1] PISTON ASSEM.  
2. [2] PLUNGER  
3. [4] INSERT  
4. [1] RING  
5. [1] SEAL ASSEM.  
6. R [1] CYLINDER ASSEM.  
  [2] BLOCK  
7. [1] BRACKET  
8. [2] BEARING  
9. [1] HEAD  
10. [2] BOLT (2.50" long)  
  [2] BOLT (3.25" long)  
  [4] LOCKWASHER  
11. [1] RETAINER  
12. [4] BOLT  
  [4] LOCKWASHER  
13. [1] FITTING  
14. [1] BEARING  
15. [3] BOLT  
  [3] LOCKWASHER  
16. [1] TRUNNION  
17. [1] SEAL  
18. [1] BEARING  
19. [8] SHIM (.010" Thick)  
20. [6] SHIM (.010" Thick)  
21. [1] PACKING  
22. [1] RING  
23. [1] SEAL  
24. R [1] ROD ASSEM.  
25. [1] NUT  
  [2] WASHER  
26. [1] NUT  
  [1] COTTER PIN  
27. [1] LINK ASSEM.  
  R   REMFG PART MAY BE AVAILABLE
 

#UE0362390044
 

5J-2815: HYDRAULIC CYLINDER GROUP

5J2815 HYDRAULIC CYLINDER GROUP--6" Bore x 36.69" Stroke--Type 1
8C Bulldozer Serial No. 77G1-Up
FOR USE WITH HYDRAULIC CONTROL
For D8 Tractors Serial No. 36A4469-Up and 46A10725-Up
c112375 UE036239
5J2815 HYDRAULIC CYLINDER GROUP Parts scheme
  For full view, you need register

Parts for your 8A BULLDOZER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3H-3667 [2] FLANGE  
2. 3H-5368 [4] BOLT  
  3B-4507 [4] LOCKWASHER  
3. 2J-0564 [1] NUT  
4. 1J-0708 [1] RING  
5. 5J-4989 [2] SEAL ASSEM.  
6. 5H-3252 [1] SEAL  
7. 2K-3258 [1] RING  
8. 1D-4627 [4] BOLT  
9. 3B-4514 [6] LOCKWASHER  
10. 4F-8421 [6] SHIM  
11. 1K-6982 [1] SEAL  
12. 2J-3243 [1] RETAINER  
13. 0S-1591 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
14. 3B-8489 [1] FITTING  
15. 2J-1934 [1] RETAINER  
16. 3J-4907 [1] ROD  
17. 2J-1935 [1] RETAINER  
18. 3J-1176 [1] TRUNNION  
19. 3J-6773 [1] BEARING ASSEM.  
    (Consists of 2 Halves)
20. 0S-1573 [3] BOLT  
  3B-4508 [3] LOCKWASHER  
21. 1D-4630 [2] BOLT  
22. 4F-8420 [1] PACKING  
23. 5J-2810 [1] HEAD  
24. 5J-2809 [1] CYLINDER ASSEM.  
25. 5J-2804 [1] BEARING  
26. 5J-2811 [1] PISTON  
 

#UE0362390045
 

5J-2815: HYDRAULIC CYLINDER GROUP

5J2815 HYDRAULIC CYLINDER GROUP--6" Bore x 36.69" Stroke--Type 2
8C Bulldozer Serial No. 77G1-Up
FOR USE WITH HYDRAULIC CONTROL
For D8 Tractors Serial No. 36A4469-Up and 46A10725-Up
c138868 UE036239
5J2815 HYDRAULIC CYLINDER GROUP Parts scheme
  For full view, you need register

Parts for your 8A BULLDOZER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5J-2809 [1] CYLINDER ASSEM.  
2. 5J-2804 [1] BEARING  
3. 2J-0564 [1] NUT  
4. 1J-0708 [1] RING  
5. 5J-4989 [2] SEAL ASSEM.  
6. 5H-3252 [1] SEAL  
7. 2K-3258 [1] RING  
8. 1D-4627 [4] BOLT  
9. 3B-4514 [6] LOCKWASHER  
10. 4F-8421 [6] SHIM  
11. 1K-6982 [1] SEAL  
12. 2J-3243 [1] RETAINER  
13. 0S-1591 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
14. 3B-8489 [1] FITTING  
15. 2J-1934 [1] RETAINER  
16. 3J-4907 C [1] ROD ASSEM.  
17. 2J-1935 [1] RETAINER  
18. 3J-1176 [1] TRUNNION  
19. 3J-6773 [1] BEARING ASSEM.  
    (Consists of 2 Halves)
20. 0S-1573 [3] BOLT  
  3B-4508 [3] LOCKWASHER  
21. 1D-4630 [2] BOLT  
22. 4F-8420 [1] PACKING  
23. 5J-2810 [1] HEAD  
24. 5J-2811 [1] PISTON  
 

#UE0362390046
 

2J-3894: TILT CYLINDER GROUP

2J3894 TILT CYLINDER GROUP--8.25" Bore x 6" Stroke--Type 1
8S Bulldozer Serial No. 29E6764 to 29E9883 inclusive and 8U Bulldozer Serial No. 30E1709 to 30E2553 inclusive
For D8 Tractors Serial No. 36A4469-Up and 46A10725-Up
c98362 UE036239
2J3894 TILT CYLINDER GROUP Parts scheme
  For full view, you need register

Parts for your 8A BULLDOZER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  5J-5559 [2] SEAL ASSEM.  
  1H-5728 [1] SEAL  
  5J-5557 [1] PISTON  
  1J-2198 [1] PIN  
  1J-2194 [1] RING  
  1J-7123 [1] BUSHING  
    (PART OF CYLINDER ASSEM. 2J6778)
  2J-6778 [1] CYLINDER ASSEM.  
  1J-2145 [1] NUT  
  3H-0107 [1] RING  
  4J-7376 [1] RING  
  3R-3288 [1] TUBE ASSEM  
  0S-1594 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
  1J-2112 [1] CONNECTION  
    (PART OF TUBE ASSEM. 3R3288)
  1J-2175 [4] BOLT  
  3B-4518 [4] LOCKWASHER  
  5J-5558 [1] HEAD  
  2J-3895 [1] ROD ASSEM  
  1J-7121 [1] BALLSTUD  
    (PART OF ROD ASSEM 2J3895)
  0S-1587 [4] BOLT  
  3B-4508 [4] LOCKWASHER  
  5J-7032 [1] WIPER  
  5J-7031 [1] RETAINER  
  1J-2149 [3] SHIM  
  1J-2148 [1] PACKING  
  1J-2176 [1] RING  
  2J-0744 [1] RING (LEATHER)  
  0S-1588 [10] BOLT  
  3B-4506 [10] LOCKWASHER  
  2K-0190 [4] FLANGE  
  5F-1678 [2] SEAL  
  1J-4012 [1] GUARD ASSEM  
 

#UE0362390047
 

2J-3894: TILT CYLINDER GROUP

2J3894 TILT CYLINDER GROUP--8.25" Bore x 6" Stroke--Type 2
8S Bulldozer Serial No. 29E6764 to 29E9883 inclusive and 8U Bulldozer Serial No. 30E1709 to 30E2553 inclusive
For D8 Tractors Serial No. 36A4469-Up and 46A10725-Up
c131711 UE036239
2J3894 TILT CYLINDER GROUP Parts scheme
  For full view, you need register

Parts for your 8A BULLDOZER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  5J-5559 [2] SEAL ASSEM.  
  1H-5728 [1] SEAL  
  5J-5557 [1] PISTON  
  1J-2198 [1] PIN  
  1J-2194 [1] RING  
  1J-7123 [1] BUSHING  
    (PART OF CYLINDER ASSEM. 2J6778)
  2J-6778 [1] CYLINDER ASSEM.  
  1J-2145 [1] NUT  
  3H-0107 [1] RING  
  4J-7376 [1] RING  
  3R-3288 [1] TUBE ASSEM.  
  0S-1594 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
  1J-2112 [1] CONNECTION  
    (PART OF TUBE ASSEM. 3R3288)
  1J-2175 [4] BOLT  
  3B-4518 [4] LOCKWASHER  
  5J-5558 [1] HEAD  
  6J-1431 [1] ROD ASSEM.  
  5F-2401 [1] NUT  
    (PART OF ROD ASSEM. 6J1431)
  6J-1433 [1] BALLSTUD  
  2J-2547 [1] CAP  
    (PARTS OF ROD ASSEM. 6J1431)
  0S-1587 [4] BOLT  
  3B-4508 [4] LOCKWASHER  
  4J-8981 [1] SEAL  
  1J-2111 [1] RETAINER  
  1J-2149 [3] SHIM  
  1J-2148 [1] PACKING  
  1J-2176 [1] RING  
  2J-0744 [1] RING (LEATHER)  
  0S-1588 [10] BOLT  
  3B-4506 [10] LOCKWASHER  
  2K-0190 [4] FLANGE  
  5F-1678 [2] SEAL  
  1J-4012 [1] GUARD ASSEM.  
 

#UE0362390048
 

6J-2472: TILT CYLINDER GROUP

6J2472 TILT CYLINDER GROUP--8.25" Bore x 6" Stroke--2 Required
Effective with 8S Bulldozer Serial No. 29E9884-Up and 8U Bulldozer Serial No. 30E2554-Up
For D8 Tractors Serial No. 36A4469-Up and 46A10725-Up
c122897 UE036239
6J2472 TILT CYLINDER GROUP Parts scheme
  For full view, you need register

Parts for your 8A BULLDOZER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6J-2471 R [1] CYLINDER ASSEM.  
2. 6J-2225 [1] BEARING  
    (Part of 6J2471 Cylinder Assem.)
3. 4J-6888 [1] NUT  
4. 4J-7376 [1] RING  
5. 5J-5559 [1] SEAL ASSEM.  
6. 6J-1553 [1] PISTON  
7. 1J-2176 [1] SEAL  
8. 2J-0744 [1] RING  
9. 6J-7890 [1] HEAD  
10. 6J-6736 [1] SEAL  
11. 5J-8350 [1] SEAL  
12. 4J-8981 [1] SEAL  
13. 6J-1051 [1] CAP  
14. 6J-2467 R [1] ROD  
15. 6J-1551 [2] BOLT (5.25" Long)  
  5M-0544 [4] BOLT (4.50" Long)  
  3B-4518 [6] LOCKWASHER  
16. 2K-0190 [4] FLANGE  
17. 0S-1595 [2] BOLT  
  3B-4508 [2] LOCKWASHER  
18. 6J-1571 [1] PLATE  
19. 0S-1588 [8] BOLT  
20. 3B-4506 [13] LOCKWASHER  
21. 6J-1567 [1] GUARD ASSEM.  
22. 1A-2029 [1] BOLT  
  1D-4717 [1] NUT  
23. 4B-4278 [1] WASHER  
24. 6J-1547 [1] TUBE ASSEM.  
25. 0S-1566 [4] BOLT  
  3B-4510 [4] LOCKWASHER  
26. 0L-1143 [2] BOLT (2.50" Long)  
27. 0L-2070 [2] BOLT (2.25" Long)  
28. 5F-1678 [1] SEAL  
  R   REMFG PART MAY BE AVAILABLE
 

#UE0362390049
 

5J-5005: CYLINDER SUPPORT GROUP

5J5005 CYLINDER SUPPORT GROUP--Type 1
8A, 8S and 8U Bulldozers Serial No. 28E4839-Up, 29E6764-Up and 30E1709-Up
FOR USE WITH HYDRAULIC CONTROL
For D8 Tractors Serial No. 36A4469-Up and 46A10725-Up
c79319 UE036239
5J5005 CYLINDER SUPPORT GROUP Parts scheme
  For full view, you need register

Parts for your 8A BULLDOZER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3B-2968 [8] BOLT  
2. 3B-4512 [8] LOCKWASHER  
3. [8] BOLT  
4. 1B-4332 [4] NUT  
5. 9H-1031 [12] WASHER  
6. 0S-1591 [2] BOLT  
7. 1D-4717 [2] NUT  
8. 3B-4506 [2] LOCKWASHER  
9. 5J-5338 [1] TUBE ASSEM.  
10. 5J-7231 [1] BRACKET ASSEM.  
11. 4F-8503 [2] PLUG  
12. 3J-1988 [2] BEARING  
13. 3J-1987 [2] BEARING  
    (Parts of Tube Assem. 5J5338)
14. 3B-8486 [4] FITTING  
15. 5J-0751 [2] BRACKET ASSEM.  
16. 5J-5114 [2] YOKE  
17. 3B-8489 [4] FITTING  
18. 5J-1183 [4] CAP  
19. 5J-9404 [1] PLATE (Left Hand)  
20. 0S-1566 [8] BOLT  
21. 3B-4510 [8] LOCKWASHER  
22. 5J-5118 [2] PLATE  
23. 5J-5120 [2] PIN  
24. 3J-1984 [2] SEAL  
25. 5J-9403 [1] PLATE (Right Hand)  
26. 1A-2029 [4] BOLT  
27. 4J-5130 [2] BRACKET  
28. 5J-1184 [8] BEARING  
 

Information:

Information Release Memo
PRODUCT LINE ADDITIONS: REMANUFACTURED CYLINDERS AND RODS
PRODUCT LINE ADDITIONS: REMANUFACTURED CYLINDERS AND RODS
Service Magazine
New Blade Lift Cylinders Used{5102}
1980/03/03

Caterpillar Parts SIS Catalog 8A :

CYLINDER AND VALVE GROUP
5J-7223 CYLINDER AND VALVE GROUP
CYLINDER AND VALVE GROUP
5J-9380 CYLINDER AND VALVE GROUP
CYLINDER AND VALVE GROUP
5J-7223 CYLINDER AND VALVE GROUP
VALVE & CYLINDER GP
5J-9709 VALVE & CYLINDER GP
VALVE & CYLINDER GP
5J-9709 VALVE & CYLINDER GP
VALVE GP
6J-0608 VALVE GP
VALVE & CYLINDER GP
5J-9709 VALVE & CYLINDER GP
VALVE GP-QUICK DROP
5J-3863 VALVE GP-QUICK DROP
LIFT CYLINDER GROUP
5J-2539 LIFT CYLINDER GROUP
LIFT CYLINDER GROUP
5J-9378 LIFT CYLINDER GROUP
CYLINDER GP-LIFT
5J-9708 CYLINDER GP-LIFT
HYDRAULIC CYLINDER GROUP
5J-2815 HYDRAULIC CYLINDER GROUP
HYDRAULIC CYLINDER GROUP
5J-2815 HYDRAULIC CYLINDER GROUP
TILT CYLINDER GROUP
2J-3894 TILT CYLINDER GROUP
TILT CYLINDER GROUP
2J-3894 TILT CYLINDER GROUP
TILT CYLINDER GROUP
6J-2472 TILT CYLINDER GROUP
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