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9D4440 HITCH CONTROL GROUP--Part 1 of 2 Serial No. 46P1454-Up 623B WHEEL TRACTOR


HYDRAULIC SYSTEM
CONTROL GP-HITCH
FRAME AND BODY
LINES GP
HYDRAULIC SYSTEM
VALVE GP-SELECTOR
CYLINDER GP
ACCUMULATOR GP
PUMP GP

WHEEL TRACTOR 623B WHEEL TRACTOR 46P
 623B TRACTOR 46P00001-01601 (MACHINE) UEG0855S 623B 46P   (1973)

HYDRAULIC SYSTEM

CONTROL GP-HITCH
CONTROL GP-HITCH
9D-4440 CONTROL GP-HITCH
CONTROL GP-HITCH
9D-4440 CONTROL GP-HITCH
CONTROL GP-HITCH
9D-4440 CONTROL GP-HITCH
CONTROL GP-HITCH
9D-4440 CONTROL GP-HITCH
 

#UEG0855S0570
 

9D-4440: CONTROL GP-HITCH

9D4440 HITCH CONTROL GROUP--Part 1 of 2
Serial No. 46P1454-Up
c174187 UEG0855S
9D4440 CONTROL GP-HITCH Parts scheme
  For full view, you need register

Parts for your 623B WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 030-8189 [1] CONNECTOR  
  3D-2824 [1] SEAL  
2. 6S-5693 [1] TEE  
3. 030-8144 [1] REDUCER  
  1P-1441 [1] NUT  
4. 1S-0994 [2] CLIP  
5. 5K-9107 [2] BOLT  
6. 5M-2894 [8] WASHER  
7. 4S-1962 [1] CLIP  
8. 8J-8197 [1] CLIP  
9. 8M-2773 [1] CLIP  
10. 7K-9197 [1] ELBOW  
11. 9D-4303 [1] HOSE ASSEM.  
    (Includes)
  9S-0671 H HOSE 106.97 in.(271.7 cm)  
12. 3S-8606 [2] SLEEVE  
13. 9S-9727 [1] COUPLING ASSEM. (45 degrees)  
14. 8S-4055 [1] COUPLING ASSEM. (straight)  
15. 030-7948 [1] ELBOW  
  3K-0360 [1] SEAL  
16. 3J-7352 [1] FITTING  
17. 3J-7354 [3] SEAL  
18. 9D-6678 [1] HOSE ASSEM. 218.44 cm(86 in.)  
19. 061-9258 [2] TEE  
  030-3978 [1] CONNECTOR  
20. 030-8538 [2] BOLT  
21. 2G-6440 [1] PLATE ASSEM.  
22. 030-7946 [1] ELBOW  
23. 005-9129 [1] TEE  
24. 6G-0379 [1] HOSE ASSEM.  
    (Includes)
24. 2P-5943 H HOSE 116.93 in. (297 cm)  
  4S-5414 [2] SLEEVE  
  8S-6417 [1] COUPLING ASSEM. (straight)  
25. 8S-6393 [1] COUPLING ASSEM. (90 degrees)  
26. 1P-4577 [2] FLANGE  
  4J-0520 [1] SEAL  
27. 2J-3118 [4] BOLT  
28. 9D-5403 [4] HOSE ASSEM. 165.10 cm (65 in.)  
29. 9D-5419 [1] HOSE ASSEM. 4.06 cm(16 in.)  
30. 030-7951 [1] ELBOW  
  7M-8485 [1] SEAL  
31. 0T-0055 [2] BOLT  
  7D-4492 [2] TUBE  
32. 2G-6461 [2] CLAMP  
  1S-1445 [1] PLATE  
33. 6H-7062 C [1] SPACER  
  C   INDICATES CHANGE
  H   ORDER BY THE INCH
 

#UEG0855S0571
 

9D-4440: CONTROL GP-HITCH

9D4440 HITCH CONTROL GROUP--Part 2 of 2
Serial No. 46P1454-Up
1U1670 Valve parts are shown on Page 136A
c174188 UEG0855S
9D4440 CONTROL GP-HITCH Parts scheme
  For full view, you need register

Parts for your 623B WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 030-8538 [2] BOLT 69.85 mm(2.75 in.) long  
  1A-5822 [2] BOLT 34.93 mm(1.375 in.) long  
  5P-8245 [4] WASHER  
2. 3R-5061 [1] ELBOW  
  4J-0524 [1] SEAL  
3. 1P-4578 [2] FLANGE  
4. 4J-0522 [1] SEAL  
5. 5P-8282 [4] BOLT  
6. 5P-8244 [4] WASHER  
7. 2G-6462 [1] HOSE ASSEM.  
    (Includes)
  8S-9355 H HOSE 53.54in.(136 cm)  
8. 3S-8503 [1] STEM ASSEM. (small)  
  2P-4813 [1] STEM ASSEM. (large)  
9. 3S-7252 [2] SLEEVE  
10. 8D-8384 [2] LEVER  
11. 1B-8702 [1] KEY  
12. 2J-3118 [4] BOLT  
13. 5B-9079 [2] NUT  
14. 4D-4064 [2] ROD END  
15. 1B-8704 [2] KEY  
16. 7F-8092 [1] KNOB  
17. 8D-8383 [1] LEVER  
18. 8D-8489 [1] BRACKET ASSEM.  
    (Includes)
  1K-6649 [1] BUSHING  
19. 9S-3532 [1] SHAFT  
20. 5D-0353 [4] BOLT  
21. 5M-2894 [17] WASHER  
22. 5D-1185 [1] ROD  
23. 1U-1670 CY [1] SELECTOR VALVE GROUP  
    (Separate Illustration)
24. 5K-9107 [1] BOLT  
25. 2P-1314 [2] CONNECTOR  
26. 3J-1907 [3] SEAL  
27. 030-7961 [1] ELBOW  
28. 7J-0729 [1] CLIP  
29. 0L-1143 [4] BOLT  
30. 2G-5799 [1] TUBE ASSEM.  
    (Includes)
  9S-4183 [1] PLUG  
  3D-2824 [1] SEAL  
  1P-3703 [1] SEAL  
31. 2K-4973 [3] LOCKNUT  
32. 5P-9938 [2] BOLT  
33. 6D-3479 [1] CLIP  
34. [1] HOSE ASSEM. 25.40 cm(10 in.)  
35. 7K-9197 [2] ELBOW  
36. 1P-4577 [2] FLANGE  
37. 4J-0520 [1] SEAL  
38. 3J-7352 [1] FITTING  
39. 030-8537 [5] BOLT  
40. 7J-0728 [1] CLIP  
41. 5K-0806 [1] CLAMP  
  1L-1893 [3] PLATE  
42. 6D-0405 [1] HOSE ASSEM. 20.32 cm(8 in.)  
43. 3J-7354 [1] SEAL  
44. 2N-8142 [1] TEE  
  C   INDICATES CHANGE
  H   ORDER BY THE INCH
  Y   SEPARATE ILLUSTRATION
 

#UEG0855S0572
 

3G-6661: LINES GP-LUBRICATION

3G6661 CENTRAL LUBRICATION LINES GROUP
Serial No. 46P1169 to 46P1396 inclusive
c217948 UEG0855S
3G6661 LINES GP-LUBRICATION Parts scheme
  For full view, you need register

Parts for your 623B WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3G-6657 [2] HOSE ASSEM. 122cm (48 in.)  
2. 7K-1181 [5] STRAP  
3. 3B-8489 [8] FITTING  
4. 3G-6660 [2] HOSE ASSEM. 126cm (49.5 in.)  
5. 3G-6659 [1] HOSE ASSEM. 85 cm(34 in.)  
6. 3G-6658 [3] HOSE ASSEM. 159cm (63 in.)  
7. 4D-6475 [8] ELBOW  
 

#UEG0855S0573
 

3G-6661: LINES GP-LUBRICATION

3G6661 CENTRAL LUBRICATION LINES GROUP
Serial No. 46P1397-Up
c173571 UEG0855S
3G6661 LINES GP-LUBRICATION Parts scheme
  For full view, you need register

Parts for your 623B WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3G-6657 [2] HOSE ASSEM. 122cm (48 in.)  
2. 7K-1181 [5] STRAP  
3. 3B-8489 [8] FITTING  
4. 3G-6660 [2] HOSE ASSEM. 126cm (49.5 in.)  
5. 3G-6659 [1] HOSE ASSEM. 85 cm(34 in.)  
6. 3G-6658 [3] HOSE ASSEM. 159cm (63 in.)  
7. 4D-6475 C [6] ELBOW  
8. 5D-0269 C [2] ELBOW  
  5H-7826 C [2] NIPPLE  
  C   INDICATES CHANGE
 

#UEG0855S0574
 

7J-4012: VALVE GP-SELECTOR

7J4012 SELECTOR VALVE GROUP
Serial No. 46P1 to 46P1453 inclusive
Part of 9D4440 Hitch Control shown on Page 135, 135B, 135D, 135F, 135H, 135J-1 and 135J-3
c174181 UEG0855S
7J4012 VALVE GP-SELECTOR Parts scheme
  For full view, you need register

Parts for your 623B 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-5309 [1] SEAL  
8. 7J-3331 [1] SPRING  
9. 7J-3274 [1] RETAINER  
10. 7J-3273 [1] CAP  
11. 4J-0522 [1] SEAL  
12. 6J-6472 [1] COVER  
13. 3B-1915 [2] BOLT 34 mm(1.37 in.) long  
    - OR -
  0S-1591 C [2] BOLT 38 mm(1.50 in.) long  
14. 5M-2894 C [2] WASHER  
15. 7J-3272 [1] HOUSING GROUP  
16. 6F-7418 [1] BOLT (socket head)  
17. 0S-1588 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
18. 3B-4505 [1] LOCKWASHER  
  4L-1468 [1] WASHER  
19. 4J-5573 [1] SEAL  
20. 4J-1184 [2] PLUG ASSEM.  
    (Each Includes)
  3J-7810 [1] SPRING  
  4B-9783 [1] BALL  
21. 7F-8607 [2] SEAL  
22. 4J-3047 [1] BEARING  
23. 4J-3044 [1] BEARING  
24. 5J-8838 [1] SHAFT  
25. 4J-3043 [1] SEAL  
26. 5J-7558 [1] PLUG ASSEM.  
    (Includes)
27. 3D-2824 [1] SEAL  
28. 6J-0001 [1] LEVER  
  C   INDICATES CHANGE
 

#UEG0855S0575
 

1U-1670: VALVE GP-SELECTOR

1U1670 SELECTOR VALVE GROUP
Serial No. 46P1454-Up
Part of 9D4440 Hitch Control Group shown on Page 135J-5
c174184 UEG0855S
1U1670 VALVE GP-SELECTOR Parts scheme
  For full view, you need register

Parts for your 623B WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2B-2695 [4] BOLT  
  9M-1974 [4] WASHER  
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-5309 [1] SEAL  
8. 3G-8591 [1] SPRING  
9. 1U-1642 [1] RETAINER  
10. 7J-3273 [1] CAP  
11. 4J-0522 [1] SEAL  
12. 6J-6472 [1] COVER  
13. 0S-1591 [2] BOLT 38 mm(1.50 in.)long  
14. 5M-2894 [6] WASHER  
15. 1U-1671 [1] VALVE GROUP  
16. 6F-7418 [1] BOLT (socket head)  
17. 0S-1588 [4] BOLT  
18. 4L-1468 [1] WASHER  
19. 4J-5573 [1] SEAL  
20. 4J-1184 [2] PLUG ASSEM.  
    (Each Includes)
  3J-7810 [1] SPRING  
  4B-9783 [1] BALL  
21. 7F-8607 [2] SEAL  
22. 4J-3047 [1] BEARING  
23. 4J-3044 [1] BEARING  
24. 5J-8838 [1] SHAFT  
25. 4J-3043 [1] SEAL  
26. 9S-8008 [1] PLUG  
27. 3D-2824 [1] SEAL  
28. 6J-0001 [1] LEVER  
 

#UEG0855S0576
 

8J-9446: CYLINDER GP-LOAD

8J9446 LOAD CYLINDER GROUP (Change 0-1)--5.50" Bore x 9.90" Stroke
Serial No. 46P1 to 46P657 inclusive
c201332 UEG0855S
8J9446 CYLINDER GP-LOAD Parts scheme
  For full view, you need register

Parts for your 623B WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2J-0564 [1] NUT  
2. 5J-4988 [1] SEAL ASSEM.  
3. 6J-5773 [1] WASHER  
4. 8J-9447 [1] CYLINDER ASSEM.  
    (Includes)
5. 8J-0201 [1] BEARING  
6. 8J-9935 [1] LUG  
7. 1A-8063 [4] BOLT  
  3B-4512 [4] LOCKWASHER  
8. 8J-9451 [1] ROD ASSEM.  
    (Includes)
9. 8J-0201 [1] BEARING  
10. 1K-6982 [1] SEAL  
11. 8J-9454 [1] SEAL  
12. 5J-3620 [1] RING  
13. 2K-2961 [1] RING  
14. 2H-9247 [1] SEAL  
15. 7J-2672 [1] PISTON  
16. 4J-4606 [1] RING  
17. 8J-9453 [1] HEAD  
 

#UEG0855S0577
 

8J-9446: CYLINDER GP-LOAD

8J9446 LOAD CYLINDER GROUP (Change 2)--5.50" Bore x 9.90" Stroke
Serial No. 46P658-Up
c157465 UEG0855S
8J9446 CYLINDER GP-LOAD Parts scheme
  For full view, you need register

Parts for your 623B WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2J-0564 [1] NUT  
2. 5J-4988 [1] SEAL ASSEM.  
3. 3G-0793 [1] HEAD  
4. 8J-9447 [1] CYLINDER ASSEM.  
    (Includes)
5. 8J-0201 [1] BEARING  
6. 8J-9935 [1] LUG  
7. 1A-8063 [4] BOLT  
  3B-4512 [4] LOCKWASHER  
8. 8J-9451 [1] ROD ASSEM.  
    (Includes)
9. 8J-0201 [1] BEARING  
10. 1K-6982 [1] SEAL  
11. 5J-0964 C [1] SEAL  
12. 5J-3620 [1] RING  
13. 2K-2961 [1] RING  
14. 2H-9247 [1] SEAL  
15. 7J-2672 [1] PISTON  
16. 4J-4606 [1] RING  
  C   INDICATES CHANGE
 

#UEG0855S0578
 

3G-0725: ACCUMULATOR GP

3G725 ACCUMULATOR GROUP
c207076 UEG0855S
3G0725 ACCUMULATOR GP Parts scheme
  For full view, you need register

Parts for your 623B WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6J-0366 [1] VALVE AS  
  6J-0368 [1] CAP  
  5J-5148 [1] CORE  
2. 5M-6708 [1] WASHER  
3. 0S-1590 [2] BOLT  
4. 3B-4506 [9] LOCKWASHER  
5. 1P-3700 [3] SEAL-RECTANGULAR  
6. 7J-5352 [1] ACCUMULATOR AS  
7. 8J-1543 [1] TUBE AS  
8. 7J-5311 [1] PLATE-WARNING  
9. 0S-1588 [4] BOLT  
10. 0S-1571 [3] BOLT  
11. 7J-4699 [1] COVER AS  
12. 6B-7469 [3] SPACER  
13. 1D-4627 [6] BOLT  
14. 7J-4704 [1] HEAD  
15. 2K-4096 [1] RING  
16. 5F-3144 [1] SEAL-O-RING  
17. 9J-9318 [1] PISTON  
18. 6J-9354 [2] SEAL AS  
19. [1] MANIFOLD  
 

#UEG0855S0579
 

8J-6177: HYDRAULIC PUMP GROUP

8J6177 HYDRAULIC PUMP GROUP (8D8530 N/S)--Elevator and Scraper
Serial No. 46P1 to 46P588 inclusive
c201833 UEG0855S
8J6177 HYDRAULIC PUMP GROUP Parts scheme
  For full view, you need register

Parts for your 623B WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2B-0947 [4] BOLT  
2. 4K-0415 [1] COVER  
3. 2H-4145 H [1] SEAL  
4. 1S-0669 H [1] RING  
5. 2H-3934 H [1] SEAL  
6. 9J-4863 [1] CARTRIDGE ASSEM. (19 Gpm)  
7. 4K-0413 [1] COVER  
8. 8J-6293 [1] CARTRIDGE ASSEM. (35 Gpm)  
9. 2J-8163 H [1] SEAL  
10. 4J-9220 H [1] RING  
11. 2H-3928 H [1] SEAL  
12. 2J-8172 [1] RING  
13. 2L-5271 [1] BEARING  
14. 2J-8168 [1] WASHER  
15. 2J-8169 H [1] SEAL  
16. 2J-8170 H [1] WIPER  
17. 5J-1571 [1] SHAFT  
18. 5F-3999 J [1] SEAL  
19. 2J-8165 [1] BODY  
20. 0S-1566 J [2] BOLT  
  3B-4510 J [2] LOCKWASHER  
21. 4M-5285 [1] RING  
22. 4J-9225 H [1] RING  
23. 1H-5728 H [1] SEAL  
24. 1D-4599 [4] BOLT  
25. 1H-9696 H [1] SEAL  
26. 1S-0670 H [1] RING  
    THE FOLLOWING REPAIR KIT IS AVAILABLE:
  5J-0102 [1] KIT (Seal)  
    (Consists of Parts Marked H)
  J   NOT PART OF 8J6177 PUMP GROUP
 

Information:

Caterpillar Parts SIS Catalog 623B :

CONTROL GP-HITCH
9D-4440 CONTROL GP-HITCH
CONTROL GP-HITCH
9D-4440 CONTROL GP-HITCH
CONTROL GP-HITCH
9D-4440 CONTROL GP-HITCH
CONTROL GP-HITCH
9D-4440 CONTROL GP-HITCH
CONTROL GP-HITCH
9D-4440 CONTROL GP-HITCH
CONTROL GP-HITCH
9D-4440 CONTROL GP-HITCH
CONTROL GP-HITCH
9D-4440 CONTROL GP-HITCH
CONTROL GP-HITCH
9D-4440 CONTROL GP-HITCH
CONTROL GP-HITCH
9D-4440 CONTROL GP-HITCH
LINES GP-LUBRICATION
3G-6661 LINES GP-LUBRICATION
LINES GP-LUBRICATION
3G-6661 LINES GP-LUBRICATION
VALVE GP-SELECTOR
7J-4012 VALVE GP-SELECTOR
VALVE GP-SELECTOR
1U-1670 VALVE GP-SELECTOR
CYLINDER GP-LOAD
8J-9446 CYLINDER GP-LOAD
CYLINDER GP-LOAD
8J-9446 CYLINDER GP-LOAD
ACCUMULATOR GP
3G-0725 ACCUMULATOR GP

Truck sale:

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