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8J7680 CUSHION HITCH GROUP--Part 2 of 2 Serial No. 45P982 to 45P1673 inclusive 621B WHEEL TRACTOR


FRAME AND BODY
HITCH GP
OPERATOR STATION
CAB GP

WHEEL TRACTOR 621B WHEEL TRACTOR 45P
 621B TRACTOR 45P00001-02711 (MACHINE) UEG0807S 621B 45P   (1973)

FRAME AND BODY

HITCH GP
HITCH GP-CUSHION
8J-7680 HITCH GP-CUSHION
HITCH GP-CUSHION
8J-7680 HITCH GP-CUSHION
HITCH GP-CUSHION
8J-7680 HITCH GP-CUSHION
HITCH GP-CUSHION
8J-7680 HITCH GP-CUSHION
HITCH GP-CUSHION
8J-7680 HITCH GP-CUSHION
HITCH GP-CUSHION
8J-7680 HITCH GP-CUSHION
 

#UEG0807S0420
 

8J-7680: HITCH GP-CUSHION

8J7680 CUSHION HITCH GROUP--Part 2 of 2
Serial No. 45P982 to 45P1673 inclusive
c158581 UEG0807S
8J7680 HITCH GP-CUSHION Parts scheme
  For full view, you need register

Parts for your 621B WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8J-7678 [1] HITCH ASSEM.  
    (Includes)
2. 3H-4776 [5] BOSS  
4. 9J-2761 [2] BLOCK  
5. 8J-7596 [2] BEARING  
6. 5F-7845 [1] BOSS  
7. 8J-7694 [2] BEARING  
8. 9J-9427 C [4] BEARING  
9. 9D-2363 [2] PLATE  
10. 9D-2519 [1] PLATE  
11. 9D-2534 [1] PLATE  
12. 2J-8592 [6] BOLT  
  3P-1389 H LOCKWIRE 4.06 dm(15.98 in.)  
13. 7J-3663 [8] WASHER  
14. 1D-4566 C [4] BOLT  
15. 3B-4508 [10] LOCKWASHER  
16. 8J-7658 [2] WASHER  
17. 4H-2686 [2] RING  
18. 3B-8489 [12] FITTING  
19. 8J-7665 [2] BEARING  
20. 9J-5930 C [1] PIN  
21. 9J-5929 C [2] NUT  
22. 9J-5922 C [2] RETAINER  
23. 8J-7727 [1] PIN  
24. 0S-1594 C [46] BOLT  
25. 3B-4506 C [6] LOCKWASHER  
26. 4J-5696 [1] LOCK  
27. 4J-5697 [2] YOKE  
28. 4J-5692 [1] WASHER  
29. 4J-5689 [1] WASHER (steel plain)  
  4J-5691 [1] WASHER (bronze-drilled)  
  4J-5690 [1] WASHER (steel-drilled)  
30. 8J-7573 [2] LINK ASSEM.  
    (Includes)
31. 7J-8458 [4] BEARING  
32. 9J-0204 [2] PLATE ASSEM.  
33. 8J-7729 [2] RETAINER  
34. 8J-0633 [7] RETAINER  
35. 8J-0632 [4] PIN  
  C   INDICATES CHANGE
  H   ORDER BY THE DECIMETRE
 

#UEG0807S0421
 

8J-7680: HITCH GP-CUSHION

8J7680 CUSHION HITCH GROUP--Part 1 of 2
Serial No. 45P1674 to 45P1992 inclusive
c213147 UEG0807S
8J7680 HITCH GP-CUSHION Parts scheme
  For full view, you need register

Parts for your 621B WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9J-2173 [4] PIN  
2. 9J-2323 [2] WASHER  
3. 9J-2174 [2] LINK (Rear)  
4. 3B-8489 [13] FITTING  
5. 5J-1825 [2] PIN  
6. 9J-2177 [1] LINK ASSEM. (R. H.)  
7. 9J-1676 [4] BEARING  
8. 5J-1813 [1] RETAINER  
9. 0S-1587 [2] BOLT  
10. 4B-4280 C [2] WASHER  
11. 1A-5822 [2] BOLT  
12. 8J-4235 [1] BRACKET  
13. 5J-8339 [1] BOLT  
  1B-4439 [1] NUT  
  5J-8344 [1] BUSHING  
14. 1K-0485 C [1] WASHER  
15. 3B-4622 [1] COTTER PIN  
16. 9J-2172 [2] PIN  
17. 8J-7676 [1] BRACKET ASSEM.  
18. 4J-5694 [1] BEARING  
19. 5J-6611 [2] BEARING  
20. 9J-9448 [1] BLOCK  
21. 9J-2246 [1] BLOCK  
22. 9J-9427 [4] BEARING  
23. 9J-2180 [2] PIN ASSEM.  
24. 9J-2178 [1] LINK ASSEM. (L. H.)  
25. 9J-1676 [4] BEARING  
26. 9J-2171 [2] SPACER  
27. 3G-4145 C [1] SPACER  
28. 9J-9062 C [1] BOLT  
  3G-4146 C [1] WASHER  
29. 5J-1822 [2] LOCK  
30. 0S-1594 [30] BOLT  
31. 5J-1823 [4] YOKE  
32. 4J-5696 [1] LOCK  
33. 4J-5697 [2] YOKE  
34. 6J-0442 [8] YOKE  
35. 0S-1621 [2] BOLT  
  C   INDICATES CHANGE
 

#UEG0807S0422
 

8J-7680: HITCH GP-CUSHION

8J7680 CUSHION HITCH GROUP--Part 2 of 2
Serial No. 45P1674 to 45P1992 inclusive
c213148 UEG0807S
8J7680 HITCH GP-CUSHION Parts scheme
  For full view, you need register

Parts for your 621B WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3G-2568 C [1] HITCH ASSEM.  
    (Includes)
2. 3H-4776 [5] BOSS  
3. 9D-2534 [1] PLATE  
4. 9J-2761 [2] BLOCK  
5. 8J-7596 [2] BEARING  
6. 5F-7845 [1] BOSS  
7. 8J-7694 [2] BEARING  
8. 9J-9427 [4] BEARING  
9. 9D-2363 [2] PLATE  
10. 9D-2519 [1] PLATE  
11. 8J-0632 [4] PIN  
12. 2J-8592 [6] BOLT  
  5P-6628 CH LOCKWIRE .406 m(15.98 in.)  
13. 7J-3663 [8] WASHER  
14. 1D-4566 [4] BOLT  
15. 4B-4280 C [10] WASHER  
16. 8J-7658 [2] WASHER  
17. 4H-2686 [2] RING  
18. 3B-8489 C [11] FITTING  
19. 8J-7665 [2] BEARING  
20. 9J-5930 [1] PIN  
21. 9J-5929 [2] NUT  
22. 9J-5922 [2] RETAINER  
23. 8J-7727 [1] PIN  
24. 0S-1594 [46] BOLT  
25. 3B-8488 C [1] FITTING  
26. 4J-5696 [1] LOCK  
27. 4J-5697 [2] YOKE  
28. 4J-5692 [1] WASHER  
29. 4J-5689 [1] WASHER (steel-plain)  
  4J-5691 [1] WASHER (bronze-drilled)  
  4J-5690 [1] WASHER (steel-drilled)  
30. 8J-7573 [2] LINK ASSEM.  
    (Includes)
31. 7J-8458 [4] BEARING  
32. 9J-0204 [2] PLATE ASSEM.  
33. 8J-7729 [2] RETAINER  
34. 8J-0633 [7] RETAINER  
  C   INDICATES CHANGE
  H   ORDER BY THE METRE
 

#UEG0807S0423
 

8J-7680: HITCH GP-CUSHION

8J7680 CUSHION HITCH GROUP--Part 1 of 2
Serial No. 45P1993 to 2070, 2072 to 2112, 2114, 2116 to 2120, 2123, 2125 to
2133, 2135, 2137, 2139, 2140, 2142 & 45P2143 inclusive
c222491 UEG0807S
8J7680 HITCH GP-CUSHION Parts scheme
  For full view, you need register

Parts for your 621B WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9J-2173 [4] PIN  
2. 9J-2323 [2] WASHER  
3. 9J-2174 [2] LINK (Rear)  
4. 3B-8489 [13] FITTING  
5. 5J-1825 [2] PIN  
6. 9J-2177 [1] LINK ASSEM. (R. H.)  
7. 9J-1676 [4] BEARING  
8. 5J-1813 [1] RETAINER  
9. 0S-1587 [2] BOLT  
10. 4B-4280 [2] WASHER  
11. 1A-5822 [2] BOLT  
12. 8J-4235 [1] BRACKET  
13. 5J-8339 [1] BOLT  
  1B-4439 [1] NUT  
  5J-8344 [1] BUSHING  
14. 1K-0485 [1] WASHER  
15. 3B-4622 [1] COTTER PIN  
16. 9J-2172 [2] PIN  
17. 8J-7676 [1] BRACKET ASSEM.  
18. 4J-5694 [1] BEARING  
19. 5J-6611 [2] BEARING  
20. 9J-9448 [1] BLOCK  
21. 9J-2246 [1] BLOCK  
22. 9J-9427 [4] BEARING  
23. 9J-2180 [2] PIN ASSEM.  
24. 9J-2178 [1] LINK ASSEM. (L. H.)  
25. 9J-1676 [4] BEARING  
26. 9J-2171 [2] SPACER  
27. 3G-4145 [1] SPACER  
28. 9J-9062 [1] BOLT  
  3G-4146 [1] WASHER  
29. 5J-1822 [2] LOCK  
30. 0S-1594 [30] BOLT  
31. 5J-1823 [4] YOKE  
32. 4J-5696 [1] LOCK  
33. 4J-5697 [2] YOKE  
34. 6J-0442 [8] YOKE  
35. 0S-1621 [2] BOLT  
 

#UEG0807S0424
 

8J-7680: HITCH GP-CUSHION

8J7680 CUSHION HITCH GROUP--Part 2 of 2
Serial No. 45P1993 to 2070, 2072 to 2112, 2114, 2116 to 2120, 2123, 2125 to
2133, 2135, 2137, 2139, 2140, 2142 & 45P2143 inclusive
c222492 UEG0807S
8J7680 HITCH GP-CUSHION Parts scheme
  For full view, you need register

Parts for your 621B WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3G-2568 [1] HITCH ASSEM.  
    (Includes)
2. 3H-4776 [5] BOSS  
3. 9D-2534 [1] PLATE  
4. 9J-2761 [2] BLOCK  
5. 8J-7596 [2] BEARING  
6. 5F-7845 [1] BOSS  
7. 8J-7694 [2] BEARING  
8. 9J-9427 [4] BEARING  
9. 9D-2363 [2] PLATE  
10. 9D-2519 [1] PLATE  
11. 8J-0632 [4] PIN  
12. 2J-8592 [6] BOLT  
  5P-6628 H LOCKWIRE .406 m(15.98 in.)  
13. 7J-3663 [8] WASHER  
14. 1D-4566 [4] BOLT  
15. 5P-8245 C [10] WASHER  
16. 8J-7658 [2] WASHER  
17. 4H-2686 [2] RING  
18. 3B-8489 C [5] FITTING  
19. 8J-7665 [2] BEARING  
20. 9J-5930 [1] PIN  
21. 3H-5240 C [2] NUT  
22. 3G-6499 C [2] RETAINER  
23. 8J-7727 [1] PIN  
24. 0S-1594 C [6] BOLT  
25. 3B-8488 C [1] FITTING  
26. 4J-5696 [1] LOCK  
27. 4J-5697 [2] YOKE  
28. 4J-5692 [1] WASHER  
29. 4J-5689 [1] WASHER (steel-plain)  
  4J-5691 [1] WASHER (bronze-drilled)  
  4J-5690 [1] WASHER (steel-drilled)  
30. 8J-7573 [2] LINK ASSEM.  
    (Includes)
31. 7J-8458 [4] BEARING  
32. 9J-0204 [2] PLATE ASSEM.  
33. 8J-7729 [2] RETAINER  
34. 8J-0633 [7] RETAINER  
35. 034-3557 C [40] BOLT  
  5M-2894 C [40] WASHER  
  C   INDICATES CHANGE
  H   ORDER BY THE METER
 

#UEG0807S0425
 

8J-7680: HITCH GP-CUSHION

8J7680 CUSHION HITCH GROUP--Part 1 of 2
Serial No. 45P2071, 2113, 2115, 2121, 2122, 2124, 2134, 2136, 2138, 2141
& 45P2144 to 45P2340 inclusive
c222493 UEG0807S
8J7680 HITCH GP-CUSHION Parts scheme
  For full view, you need register

Parts for your 621B WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9J-2173 [4] PIN  
2. 9J-2323 [2] WASHER  
3. 9J-2174 [2] LINK (rear)  
4. 3B-8489 [13] FITTING  
5. 5J-1825 [2] PIN  
6. 9J-2177 [1] LINK ASSEM. (R.H.)  
    (Includes)
7. 9J-1676 [4] BEARING  
8. 5J-1813 [1] RETAINER  
9. 0S-1587 [2] BOLT  
10. 6J-0442 [8] YOKE  
11. 1A-5822 [2] BOLT  
12. 8J-4235 [1] BRACKET  
13. 5J-8339 [1] BOLT  
  1B-4439 [1] NUT  
  5J-8344 [1] BUSHING  
14. 1K-0485 [1] WASHER  
15. 3B-4622 [1] COTTER PIN  
16. 9J-2172 [2] PIN  
17. 8J-7676 [1] BRACKET ASSEM.  
    (Includes)
18. 4J-5694 [1] BEARING  
19. 5J-6611 [2] BEARING  
20. 9J-9448 [1] BLOCK  
21. 9J-2246 [1] BLOCK  
22. 9J-9427 [4] BEARING  
23. 3G-6098 C [2] PIN ASSEM.  
24. 9J-2178 [1] LINK ASSEM. (L.H.)  
    (Includes)
25. 9J-1676 [4] BEARING  
26. 9J-2171 [2] SPACER  
27. 3G-4145 [1] SPACER  
28. 9J-9062 [1] BOLT  
  3G-4146 [1] WASHER  
29. 5J-1822 [2] LOCK  
30. 0S-1594 [30] BOLT  
31. 5J-1823 [4] YOKE  
32. 4J-5696 [1] LOCK  
33. 4J-5697 [2] YOKE  
34. 3G-4434 C [1] PIN ASSEM.  
    (Includes)
  8J-1431 [1] SPRING  
  C   INDICATES CHANGE
 

#UEG0807S0426
 

8J-7680: HITCH GP-CUSHION

8J7680 CUSHION HITCH GROUP--Part 2 of 2
Serial No. 45P2071, 2113, 2115, 2121, 2122, 2124, 2134, 2136, 2138, 2141
and 45P2144 to 45P2340 inclusive
c222492 UEG0807S
8J7680 HITCH GP-CUSHION Parts scheme
  For full view, you need register

Parts for your 621B WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3G-2568 [1] HITCH ASSEM.  
    (Includes)
2. 3H-4776 [5] BOSS  
3. 9D-2534 [1] PLATE  
4. 9J-2761 [2] BLOCK  
5. 8J-7596 [2] BEARING  
6. 5F-7845 [1] BOSS  
7. 8J-7694 [2] BEARING  
8. 9J-9427 [4] BEARING  
9. 9D-2363 [2] PLATE  
10. 9D-2519 [1] PLATE  
11. 8J-0632 [4] PIN  
12. 2J-8592 [6] BOLT  
  5P-6628 H LOCKWIRE .406 m(15.98 in.)  
13. 7J-3663 [8] WASHER  
14. 1D-4566 [4] BOLT  
15. 5P-8245 C [10] WASHER  
16. 8J-7658 [2] WASHER  
17. 4H-2686 [2] RING  
18. 3B-8489 C [5] FITTING  
19. 8J-7665 [2] BEARING  
20. 9J-5930 [1] PIN  
21. 3H-5240 C [2] NUT  
22. 3G-6499 C [2] RETAINER  
23. 8J-7727 [1] PIN  
24. 0S-1594 C [6] BOLT  
25. 3B-8488 C [1] FITTING  
26. 4J-5696 [1] LOCK  
27. 4J-5697 [2] YOKE  
28. 4J-5692 [1] WASHER  
29. 4J-5689 [1] WASHER (steel-plain)  
  4J-5691 [1] WASHER (bronze-drilled)  
  4J-5690 [1] WASHER (steel-drilled)  
30. 8J-7573 [2] LINK ASSEM.  
    (Includes)
31. 7J-8458 [4] BEARING  
32. 9J-0204 [2] PLATE ASSEM.  
33. 8J-7729 [2] RETAINER  
34. 8J-0633 [7] RETAINER  
35. 034-3557 C [40] BOLT  
  5M-2894 C [40] WASHER  
  C   INDICATES CHANGE
  H   ORDER BY THE METER
 

#UEG0807S0427
 

3G-7777: HITCH GP-CUSHION

3G7777 CUSHION HITCH GROUP--Part 1 of 2
Serial No. 45P2341-Up
c228159 UEG0807S
3G7777 HITCH GP-CUSHION Parts scheme
  For full view, you need register

Parts for your 621B WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9J-2173 [4] PIN  
2. 9J-2323 [2] WASHER  
3. 9J-2174 [2] LINK (rear)  
4. 3B-8489 [13] FITTING  
5. 3G-7757 [2] PIN  
6. 9J-2177 [1] LINK ASSEM. (R.H.)  
    (Includes)
7. 9J-1676 [4] BEARING  
8. 5J-1813 [1] RETAINER  
9. 031-0223 C [2] BOLT  
10. 6J-0442 [8] YOKE  
11. 1A-5822 [2] BOLT  
12. 8J-4235 [1] BRACKET  
13. 5J-8339 [1] BOLT  
  1B-4439 [1] NUT  
  5J-8344 [1] BUSHING  
14. 1K-0485 [1] WASHER  
15. 3B-4622 [1] COTTER PIN  
16. 9J-2172 [2] PIN  
17. 3G-7111 [1] BRACKET ASSEM.  
    (Includes)
18. 4J-5694 [1] BEARING  
19. 5J-6611 [2] BEARING  
20. 9J-9427 [4] BEARING  
21. 3G-4434 [1] PIN ASSEM.  
    (Includes)
  8J-1431 [1] SPRING  
22. 030-7335 C [4] BOLT  
  5P-8247 [4] WASHER  
23. 3G-6098 [2] PIN ASSEM.  
24. 9J-2178 [1] LINK ASSEM. (L.H.)  
    (Includes)
25. 9J-1676 [4] BEARING  
26. 9J-2171 [2] SPACER  
27. 3G-4145 [1] SPACER  
28. 9J-9062 [1] BOLT  
  3G-4146 [1] WASHER  
29. 5J-1822 [2] LOCK  
30. 5K-9107 C [24] BOLT  
31. 5J-1823 [4] YOKE  
32. 3G-9316 [2] PLATE  
  C   INDICATES CHANGE
 

#UEG0807S0428
 

3G-7777: HITCH GP-CUSHION

3G7777 CUSHION HITCH GROUP--Part 2 of 2
Serial No. 45P2341-Up
c228160 UEG0807S
3G7777 HITCH GP-CUSHION Parts scheme
  For full view, you need register

Parts for your 621B WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3G-7110 [1] HITCH ASSEM.  
    (Includes)
2. 8J-7596 [2] BEARING  
3. 8J-7694 [2] BEARING  
4. 9J-9427 [4] BEARING  
5. 3G-7894 [2] LINK ASSEM.  
    (Each Includes)
6. 7J-8458 [4] BEARING  
7. 3G-7855 [1] RETAINER ASSEM.  
8. 8J-7729 [2] RETAINER  
9. 3G-7853 [7] RETAINER  
10. 030-8538 [48] BOLT  
11. 8J-0632 [4] PIN  
12. 5K-7143 C [6] BOLT  
13. 7J-3663 [8] WASHER  
14. 1D-4566 [4] BOLT  
15. 5P-8245 [10] WASHER  
16. 8J-7658 [2] WASHER  
17. 4H-2686 [2] RING  
18. 3B-8489 [5] FITTING  
19. 8J-7665 [2] BEARING  
20. 9J-5930 [1] PIN  
21. 3H-5240 [2] NUT  
22. 3G-6499 [4] RETAINER  
23. 8J-7727 [1] PIN  
24. 3B-8488 [1] FITTING  
25. 4J-5692 [1] WASHER  
26. 4J-5689 [1] WASHER (steel-plain)  
  4J-5691 [1] WASHER (bronze-drilled)  
  4J-5690 [1] WASHER (steel-drilled)  
  C   INDICATES CHANGE
 

#UEG0807S0429
 

8D-5710: COMPARTMENT GP

OPERATOR COMPARTMENT (8D5710 N/S)--Part 1 of 3
Serial No. 45P1 to 45P844 inclusive
c152467 UEG0807S
8D5710 COMPARTMENT GP Parts scheme
  For full view, you need register

Parts for your 621B WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9D-2044 [1] COVER ASSEM.  
    (Includes)
2. 6F-7013 [1] HANDLE  
3. 9D-2053 [2] SLEEVE  
4. 4D-2619 [4] BEARING  
5. 5D-9844 [2] BOLT  
  4B-4278 [2] WASHER  
6. 8D-6047 [1] GASKET  
7. 8D-6039 [1] BAFFLE ASSEM.  
    (Includes)
  8D-6041 [1] BAFFLE  
  6B-4594 [8] RIVET  
8. 9F-2978 [6] NUT  
9. 8S-7949 [1] PADLOCK GROUP  
    (Includes)
  8M-0439 [2] KEY  
10. 4J-6414 [1] PLATE  
11. 4J-6413 [1] PLATE  
12. 4J-6412 [1] PLATE  
13. 4J-6411 [1] PLATE  
14. 4J-6410 [1] PLATE  
15. 4J-6409 [1] PLATE  
16. 4J-6408 [1] PLATE  
17. 4J-6406 [1] PLATE  
18. 4J-6407 [1] PLATE  
19. 4J-6401 [1] PLATE  
20. 4J-6402 [1] PLATE  
21. 4J-6403 [1] PLATE  
22. 4J-6404 [1] PLATE  
23. 4J-6405 [1] PLATE  
24. 4B-4158 [14] SCREW  
25. 4B-4158 C [4] SCREW  
26. 8D-7970 C [1] PLUG  
    (Use as Required)
  C   INDICATES CHANGE
 

Information:

Special Instruction
Rebuilding Wheel Tractor-Scraper Hitches, Brackets, and Scraper Kingbolt Housings{7100}
Rebuilding Wheel Tractor-Scraper Hitches, Brackets, and Scraper Kingbolt Housings{7100}
Replacing the 8D3483 Hitch Bracket{3283}
Replacing the 8D3483 Hitch Bracket{3283}
Installation Of Cushion Hitch Bracket And Hitch Bearings{7107}
Installation Of Cushion Hitch Bracket And Hitch Bearings{7107}
Service Letter-NACD
8W9515 Rear Horizontal Hitch Pins Need To Be Removed From Dealer Parts Stock
8W9515 Rear Horizontal Hitch Pins Need To Be Removed From Dealer Parts Stock
Service Letter-Australia
Service Letter-CFEL
Service Letter-CSARL
Service Letter-Americas
Specifications
Hitch
621, 623 & 627 TRACTORS CUSHION-HITCH
Service Letter-China
8W9515 Rear Horizontal Hitch Pins Need To Be Removed From Dealer Parts Stock
8W9515 Rear Horizontal Hitch Pins Need To Be Removed From Dealer Parts Stock
Service Letter-Asia
Reuse And Salvage Guidelines
Rebuilding Wheel Tractor-Scraper Hitches, Brackets, and Scraper Kingbolt Housings{6207, 6245, 7051, 7107}
Rebuilding Wheel Tractor-Scraper Hitches, Brackets, and Scraper Kingbolt Housings{6207, 6245, 7051, 7107}
Service Letter-APD
8W9515 Rear Horizontal Hitch Pins Need To Be Removed From Dealer Parts Stock
8W9515 Rear Horizontal Hitch Pins Need To Be Removed From Dealer Parts Stock
Disassembly and Assembly
Cushion Hitch Hydraulic Pump
621B & 623B TRACTORS POWER TRAIN
Cushion Hitch And Push-Pull Hydraulic Oil Pump
621 B & 627B TRACTOR-SCRAPER VEHICLE SYSTEMS
Cushion Hitch Selector Valve
621 B & 627B TRACTOR-SCRAPER VEHICLE SYSTEMS
Cushion Hitch Control Valve
621 B & 627B TRACTOR-SCRAPER VEHICLE SYSTEMS
Cushion Hitch Load Cylinder
621 B & 627B TRACTOR-SCRAPER VEHICLE SYSTEMS
Accumulator (Cushion Hitch)
621 B & 627B TRACTOR-SCRAPER VEHICLE SYSTEMS
Tractor And Scraper
621 B & 627B TRACTOR-SCRAPER VEHICLE SYSTEMS
Draft Frame And Cushion Hitch Assembly Vertical Bearings
621 B & 627B TRACTOR-SCRAPER VEHICLE SYSTEMS
Cushion Hitch
621 B & 627B TRACTOR-SCRAPER VEHICLE SYSTEMS
Horizontal Cushion Hitch Bearings
621 B & 627B TRACTOR-SCRAPER VEHICLE SYSTEMS
Steering Link Assemblies
621 B & 627B TRACTOR-SCRAPER VEHICLE SYSTEMS
Cushion Hitch "H" Links And Bearings
621 B & 627B TRACTOR-SCRAPER VEHICLE SYSTEMS
Service Magazine
New Clamps And Spacers Used On Cushion Hitch To Prevent Restriction In Air Lines{5057,4257,4304}
1980/06/16
Change Made To Cushion Hitch Lines Groups{5313,7107}
1980/06/23
Bracket And Hardware Added To Prevent Movement Of Accumulator Hose{5077,5057,7107}
1980/08/25
Inspection Procedure For Pin And Bushing Wear In Hitch Components And Steering Linkage{7109,7107,7106,4305,4303}
1980/09/29
Different Wrenches Are Necessary For Removal And Installation Of Nut On Horizontal Hitch Pins{0612,7107,7116}
1980/10/20
Improved Clamp Bars Hold Scraper Hydraulic Lines On Cushion Hitch{5057,5300}
1980/11/03
New Bleeder Tube Assembly For Cushion Hitch Accumulator{5077,7107}
1981/04/06
Remove Block Assemblies Used For Shipment{7505,7100,4059,3250}
1981/04/27
Larger Retainer Bolts Used To Hold Horizontal Pivot Pins In Cushion Hitch{7107,7110,7117}
1981/06/08
Reconditioning Stop Pads Can Prevent Damage To Cushion Hitch Components{7107}
1981/11/30
Hose Locations Changed To Prevent Contact With Hitch Components{4304,5057}
1982/02/22
Correct Installation Of 1U317 Control Valve Group For Cushion Hitch{5313,7107}
1982/05/24
New Seal And Retainer Used In Cushion Hitch Valve Group{5313}
1983/07/04
New Cushion-Hitch Pump Available{5050,5073,5300,5316}
1985/03/18
New Seal Used In Cushion-Hitch Selector Valve{5319}
1985/04/22
Larger Bolts Used In Hitch Control Group To Hold Accumulator Assembly For Cushion Hitch{5077,7107}
1977/01/17
New Socket For Installation And Removal Of Rear Hitch Pin{0612,7117}
1977/05/30
New Hose And Elbows Used In Cushion Hitch Lines Group{5057,7107}
1977/08/22
Bearing Puller Adapter Is Available For Removal And Installation Of Cushion Hitch Bearings{0621,0623,7107}
1977/09/12
2G2827 Block Assembly Gives Support To Hitch During Tractor-Scraper Separation{0640,0643,3258,4059,7100}
1977/11/07
Oversize Bearings Available For Cushion-Hitch Repair {7107,7109,7110}
1987/01/26
Central Lubrication System Now Used For Lower Cushion Hitch Pins And Horizontal Pivot Pins{7107,7116}
1978/03/20
Stronger Hose Assembly For Cushion Hitch Control Group{5057,7107}
1978/05/08
New Bolts (Self-Locking) And Hardened Washers Now Used In Cushion Hitch Group{7107}
1978/07/10
Special Oversize (Larger Than Standard Size) Replacement Bearings Available For Cushion Hitch Repair{7107}
1978/09/04
If Loose Bolts Are A Problem, A Modification Can Be Made To The Plate Used To Hold The Leveling Valve For The Cushion Hitch{5313,7107}
1979/04/30
Two New Elbows And Nipples Are Used In The Central Lubrication Lines For Cushion Hitches{7107,1300}
1979/05/14
New Locknut And Thread Lock Compound Used On Control Rod For Cushion Hitch Valve{5313,7107,5057}
1979/06/04
Change Made To Cushion Hitch Leveling Valve Group{5313}
1979/08/20
New Hitch Frame Assembly{7107}
1979/10/15
New Floating Pins Used In Cushion-Hitches{7107}
1989/01/23
Oversize Seals Available For Cushion-Hitch Repair{7107,7109,7110}
1989/02/27
Oversize Bearings And Seals Available For Cushion-Hitch Repair {7110}
1989/05/01
Correction to Service Magazine , "Inspection Procedure for Pin and Bushing Wear in Hitch Components and Steering Linkage for Wheel Tractor-Scrapers" {4305, 7106, 7107, 7108, 7109}
2000/05/15
Correction to the Service Magazine, "Oversize Bearings and Seals are Available for the Cushion Hitch Links Allow Rework of the Steering Links Without Welding" {7051, 7106, 7107}
2001/07/09
Oversize Bearings and Seals are Available for the Steering Links {7106, 7107}
2004/11/08
Shims Available To Compensate for Wear In Oscillating Hitch for Certain Wheel Tractor-Scrapers {7106, 7107}
2011/03/18
Cushion Hitch Rebuild Kits for Wheel Tractor-Scrapers are Available in the Service Information System (SIS) {6207, 6245, 7051, 7100, 7107}
Cushion Hitch Rebuild Kits for Wheel Tractor-Scrapers are Available in the Service Information System (SIS) {6207, 6245, 7051, 7100, 7107}

Caterpillar Parts SIS Catalog 621B :

HITCH GP-CUSHION
8J-7680 HITCH GP-CUSHION
HITCH GP-CUSHION
8J-7680 HITCH GP-CUSHION
HITCH GP-CUSHION
8J-7680 HITCH GP-CUSHION
DOOR GP-HOOD SIDE
9D-6010 DOOR GP-HOOD SIDE
DOOR GP-HOOD SIDE
9D-6010 DOOR GP-HOOD SIDE
HOOD GP
8D-7780 HOOD GP
HOOD GP
8D-7780 HOOD GP
FENDER GP
8D-6906 FENDER GP
HITCH GP-CUSHION
8J-7680 HITCH GP-CUSHION
HITCH GP-CUSHION
8J-7680 HITCH GP-CUSHION
HITCH GP-CUSHION
8J-7680 HITCH GP-CUSHION
HITCH GP-CUSHION
8J-7680 HITCH GP-CUSHION
HITCH GP-CUSHION
8J-7680 HITCH GP-CUSHION
HITCH GP-CUSHION
8J-7680 HITCH GP-CUSHION
HITCH GP-CUSHION
3G-7777 HITCH GP-CUSHION
HITCH GP-CUSHION
3G-7777 HITCH GP-CUSHION

Truck sale:

Caterpillar 621B
 
Caterpillar 621B
- Road Scraper
MACALLISTER MACHINERY CO., INC
Caterpillar 621B
 
Caterpillar 621B
- Road Scraper
MACALLISTER MACHINERY CO., INC
Caterpillar 621B
 
Caterpillar 621B
- Road Scraper
FINNING CANADA
Caterpillar 621B, Road Scraper, Construction
46,500 
Caterpillar 621B, Road Scraper, Construction
- Road Scraper
QUINN COMPANY
Caterpillar 621B, Road Scraper, Construction
46,500 
Caterpillar 621B, Road Scraper, Construction
- Road Scraper
QUINN COMPANY
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