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6G710 DRIVE SHAFT GROUP--Part 2 of 2 Serial No. 45P2671-Up 621B WHEEL TRACTOR


POWER TRAIN
SHAFT GP
TRANSMISSION GP
TORQUE CONVERTER GP
OPERATOR STATION
CONTROL GP-TRANSMISSION

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

POWER TRAIN

SHAFT GP
DRIVE SHAFT GP
6G-0710 DRIVE SHAFT GP
DRIVE SHAFT GP
6G-0710 DRIVE SHAFT GP
DRIVE SHAFT GP
6G-0710 DRIVE SHAFT GP
 

#UEG0807S0140
 

6G-0710: DRIVE SHAFT GP

6G710 DRIVE SHAFT GROUP--Part 2 of 2
Serial No. 45P2671-Up
c178149 UEG0807S
6G0710 DRIVE SHAFT 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. 6G-0396 [1] SHAFT  
2. 7H-7628 [1] RACE & ROLLER ASSEM.  
  7D-1677 [1] RACE  
3. 2G-1579 [1] SPACER  
4. 6G-0399 [1] SPRING  
5. 6G-0387 [1] DISC  
6. 6G-0393 [2] DISC ASSEM.  
7. 6G-0389 [1] SPIDER  
8. 030-8538 [2] BOLT  
9. 5P-8245 [8] WASHER  
10. 6D-7554 [1] PLATE  
11. 6G-0388 [1] PLATE  
12. 1F-1006 [1] DOWEL  
13. 1D-4719 [6] NUT  
14. 034-3557 [9] BOLT  
15. 5M-2894 [9] WASHER  
16. 9F-1507 [2] STUD  
17. 1B-4204 [2] NUT  
  3K-6113 [2] WASHER  
18. 0L-0659 [1] STUD  
19. 4H-5232 [1] PIN  
20. 6G-6492 C [1] RETAINER  
  C   INDICATES CHANGE
 

#UEG0807S0141
 

3P-0374: TRANSMISSION AR

3P374 TRANSMISSION ARRANGEMENT
Serial No. 45P1 to 45P1987 inclusive. Test No. 336 to 3293 inclusive. 1T1065 Torque Converter, 3P2977 Transmission Hydraulic Control,
2P9309 Case and Covers, 2P9240 Transfer Gears, 2P9311 Planetary Transmission, 8S660 Manifold and Screens, 3P367 Governor and Drive,
3P204 Transmission Pump, 3P203 Scavenge Pump and 7S8630 Filter parts are shown on Pages 41, 46, 47, 53 through 61, 63 and 66
c201317 UEG0807S
3P0374 TRANSMISSION AR Parts scheme
  For full view, you need register

Parts for your 621B WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2P-9310 [1] COVERS GROUP  
    (Shipping and Storage Includes Cover, Gaskets and Hardware)
2. [1] TRANSMISSION CONTROL (Hyd)  
3. [1] TRANSMISSION CASE & COVERS  
4. 7S-8630 [1] FILTER GROUP  
5. [1] GOVERNOR & DRIVE  
6. [1] TRANSMISSION PUMP  
7. [1] SCAVENGE PUMP  
8. [1] MANIFOLD & SCREENS  
9. [1] TRANSFER GEARS  
10. 1T-1065 [1] TORQUE CONVERTER GROUP  
11. Y [1] PLANETARY TRANSMISSION  
    (Separate Illustration)
  Y   SEPARATE ILLUSTRATION
 

#UEG0807S0142
 

3P-0374: TRANSMISSION AR

3P374 TRANSMISSION ARRANGEMENT
Serial No. 45P1988 to 45P2106, 2109, 2114 & 45P2129 inclusive. Test No. 3294 to 3607 inclusive. 1T1065 Torque Converter,
3P2977 Control, 2P9309 Case and Covers, 2P9240 Transfer Gears, 2P9311 Planetary Transmission, 8S660 Manifold and Screens.
3P367 Governor & Drive, 3P204 & 3P203 Pump & 9P6447 Filter parts are shown on Pages 41, 46, 47, 53 through 61, 63 and 66
c171749 UEG0807S
3P0374 TRANSMISSION AR Parts scheme
  For full view, you need register

Parts for your 621B WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2P-9310 [1] COVERS GROUP  
    (Shipping and Storage-Includes Cover, Gaskets and Hardware)
2. 3P-2977 YC [1] TRANSMISSION CONTROL (Hyd)  
3. 2P-9309 YC [1] TRANSMISSION CASE & COVERS  
4. 9P-6447 YC [1] FILTER GROUP  
5. 3P-0367 YC [1] GOVERNOR & DRIVE  
6. 3P-0204 YC [1] TRANSMISSION PUMP  
7. 3P-0203 YC [1] SCAVENGE PUMP  
8. 8S-0660 YC [1] MANIFOLD & SCREENS  
9. 2P-9240 YC [1] TRANSFER GEARS  
10. 1T-1065 Y [1] TORQUE CONVERTER GROUP  
11. 2P-9311 Y [1] PLANETARY TRANSMISSION  
    (Separate Illustration)
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#UEG0807S0143
 

7G-2780: TRANSMISSION AR

7G2780 TRANSMISSION ARRANGEMENT
Serial No. 45P2107, 2108, 2110 to 2113, 2115 to 2128 & 452130-Up. Test No. 3608-Up. 1T1065 Torque Converter,
7G2779 Hydraulic Control, 2P9309 Case & Covers, 2P9240 Transfer Gears, 2P9311 Planetary, 8S660 Manifold & Screens,
3P367 Governor & Drive, 3P204 Pump, 3P203 Scavenge Pump & 9P6447 Filter parts are shown on Pages 47A, 47B,
53, 53B, 54, 55, 59E through 59H, 60B, 61, 61B, 63 & 66
c222504 UEG0807S
7G2780 TRANSMISSION AR Parts scheme
  For full view, you need register

Parts for your 621B WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2P-9310 [1] COVERS GROUP  
    (Shipping and Storage-Includes Cover, Gaskets and Hardware)
2. 7G-2779 [1] TRANSMISSION HYDRAULIC CONTROL GROUP  
3. 2P-9309 [1] TRANSMISSION CASE AND COVERS GROUP  
4. 9P-6447 [1] FILTER GROUP  
5. 3P-0367 [1] GOVERNOR AND DRIVE GROUP  
6. 3P-0204 [1] TRANSMISSION PUMP GROUP  
7. 3P-0203 [1] SCAVENGE PUMP GROUP  
8. 8S-0660 [1] MANIFOLD GROUP  
9. 2P-9240 [1] TRANSFER GEAR GROUP  
10. 1T-1065 [1] TORQUE CONVERTER GROUP  
11. 2P-9311 Y [1] PLANETARY TRANSMISSION GROUP  
    (Separate Illustration)
  Y   SEPARATE ILLUSTRATION
 

#UEG0807S0144
 

1T-1065: TORQUE CONVERTER GP

1T1065 TORQUE CONVERTER GROUP (3P1630 N/S)
Torque Converter Serial No. 60T1-Up. Part of 3P374 and 7G2780 Transmission
Arrangement shown on Pages 40, 40A, and 40B. See Page 153 for Gasket Kits
c230611 UEG0807S
1T1065 TORQUE CONVERTER 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. 0S-1594 [48] BOLT  
2. 1T-0689 [36] WASHER  
3. 1T-0651 [2] RING  
4. 1T-1078 [2] BEARING  
5. 1T-1079 [1] HUB (impeller)  
6. 1T-1085 [1] CARRIER ASSEM.  
    (Includes)
7. 1T-0767 C [1] BEARING  
8. 1T-0649 [1] RING  
9. 1T-1082 [1] HUB (turbine)  
10. 9S-8840 [1] SHAFT  
11. 1T-0648 [1] SEAL  
12. 1T-1348 C [1] SUPPORT ASSEM.  
13. 1T-0669 [1] HOUSING  
14. 1T-0704 [1] PLATE  
15. 1T-0657 [2] PLATE  
16. 1T-0861 [1] IMPELLER  
17. 1T-0680 C [11] SPRING  
18. 1T-0679 [11] ROLLER  
19. 1T-0681 [1] CAM  
20. 1T-0662 [1] TURBINE  
21. 1T-0665 [1] RING  
22. 6F-7030 [20] BOLT  
23. 0S-1621 [12] BOLT  
24. 1T-0762 [1] RACE  
25. 1T-0966 [1] FLANGE ASSEM.  
    (Includes)
26. 1T-0647 C [1] BEARING  
27. 2S-7978 H [1] WASHER  
28. 9M-1975 H [1] RING  
29. 3H-1816 H [1] RING  
30. 1T-0686 C [3] RACE  
31. 1T-0655 C [2] BEARING  
32. 1T-0813 [1] STATOR  
33. 4B-4158 [2] SCREW  
34. [1] PLATE  
  C   INDICATES CHANGE
  H   NOT PART OF 1T1065 TORQUE CONV
 

#UEG0807S0145
 

8D-8110: CONTROL GP-TRANSMISSION

8D8110 TRANSMISSION CONTROL GROUP--Part 1 of 3
Serial No. 45P1 to 45P2358 inclusive
c213315 UEG0807S
8D8110 CONTROL GP-TRANSMISSION Parts scheme
  For full view, you need register

Parts for your 621B WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 0S-1588 C [7] BOLT  
2. 3B-4506 C [11] LOCKWASHER  
3. 8D-9929 [1] COVER ASSEM.  
  8D-8451 [1] GASKET  
4. 0L-2070 [1] BOLT  
5. 8D-8446 [1] HOUSING  
  8D-8453 [1] GASKET  
6. 8D-9257 [1] CLAMP  
7. 8D-9256 [1] GUARD  
8. 1D-5117 [1] NUT  
9. 5D-6366 [1] LEVER  
10. 8D-8456 [2] SPRING  
11. 8D-8447 [1] SPRING  
12. 0S-1594 [2] BOLT  
13. 5B-0986 [1] SCREW  
  1B-2578 [1] NUT  
14. 8D-8483 [1] LEVER ASSEM.  
    (Includes)
15. 3D-8823 [1] BEARING  
16. 1B-8702 [1] KEY  
17. 0S-1590 [1] BOLT  
  1D-4717 [1] NUT  
18. 5D-6383 [1] PIN  
19. 4B-3643 C [1] SETSCREW  
  1B-2578 C [2] NUT  
  4B-4278 C [1] WASHER  
  C   INDICATES CHANGE
 

#UEG0807S0146
 

8D-8110: CONTROL GP-TRANSMISSION

8D8110 TRANSMISSION CONTROL GROUP--Part 2 of 3
Serial No. 45P1 to 45P2358 inclusive
6D856 Valve parts are shown on Page 45
c213316 UEG0807S
8D8110 CONTROL GP-TRANSMISSION Parts scheme
  For full view, you need register

Parts for your 621B WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2A-1736 [1] HANDLE  
2. 5D-6382 [1] ROD  
3. 5D-6379 [1] PLATE ASSEM.  
4. 4D-0506 [1] HANDLE  
5. 5B-8407 [1] PIN  
6. 5F-7464 [1] SPRING  
7. 1A-8912 [1] WASHER  
8. 4D-0587 [1] PIN  
  3B-4611 [1] COTTER PIN  
9. 8D-8461 [1] HOUSING ASSEM.  
    (Includes)
10. 5H-7179 [2] BEARING  
11. 3D-5702 [1] BEARING  
12. 8D-6889 [1] PEDAL  
13. 8D-3372 [1] PIN  
  3B-4607 [1] COTTER PIN  
14. 8L-5202 [1] BOLT  
  1B-2578 [1] NUT  
15. 5M-9708 [1] SPRING  
16. 6D-0856 Y [1] VALVE  
    (Separate Illustration)
17. 5K-9246 [2] CONNECTOR  
18. 2J-3118 [1] BOLT  
19. 8D-8955 [1] TUBE ASSEM.  
20. 3D-7587 [1] UNION  
21. 7D-4786 [2] PLUG  
22. 3B-1915 [6] BOLT  
  3B-4506 [6] LOCKWASHER  
  4B-4278 [6] WASHER  
23. 7D-3494 [1] HOSE ASSEM. (241.30 cm(95 in.)  
24. 9M-8406 [1] CLIP  
25. 4H-6147 [1] UNION  
  Y   SEPARATE ILLUSTRATION
 

#UEG0807S0147
 

8D-8110: CONTROL GP-TRANSMISSION

8D8110 TRANSMISSION CONTROL GROUP--Part 3 of 3
Serial No. 45P1 to 45P2358 inclusive
c213317 UEG0807S
8D8110 CONTROL GP-TRANSMISSION Parts scheme
  For full view, you need register

Parts for your 621B WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4B-3388 [1] BOLT  
  3B-4505 [1] LOCKWASHER  
2. 7H-3641 [1] ROD END  
3. 9D-4339 [1] CABLE  
4. 8D-8074 [1] GUARD ASSEM.  
    (Includes)
5. 9F-2978 [1] NUT  
6. 0S-0509 [3] BOLT  
7. 3B-4506 C [15] LOCKWASHER  
8. 8D-7828 [1] HOUSING  
  8D-8459 [1] GASKET  
9. 0S-1588 [9] BOLT  
10. 8D-8460 [1] SHAFT  
11. 5P-1075 C [1] WASHER  
12. 5H-1190 [1] SEAL  
13. 0S-1571 [2] BOLT  
  1D-4717 [2] NUT  
14. 4B-4281 C [2] WASHER  
15. 8D-8455 [1] COVER  
  8D-8454 [1] GASKET  
16. 4J-2684 [1] LEVER  
  1B-8702 [1] KEY  
17. 3K-8280 [1] PIN  
  3B-4617 [1] COTTER PIN  
18. 4B-4278 [2] WASHER  
19. 4J-2701 [1] ROD END  
20. 0S-1594 [2] BOLT  
21. 8D-8458 [1] COVER  
  8D-8457 [1] GASKET  
22. 6D-3479 [1] CLIP  
23. 0L-2070 [1] BOLT  
  9D-3651 [1] CLAMP  
24. 0S-1595 [3] BOLT  
  3B-4508 [3] LOCKWASHER  
25. 8D-8449 [1] LEVER  
  1B-8706 [1] KEY  
  C   INDICATES CHANGE
 

#UEG0807S0148
 

8D-8110: CONTROL GP-TRANSMISSION

8D8110 TRANSMISSION CONTROL GROUP--Part 1 of 3
Serial No. 45P2359-Up
c174498 UEG0807S
8D8110 CONTROL GP-TRANSMISSION Parts scheme
  For full view, you need register

Parts for your 621B WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2J-3118 C [7] BOLT  
2. 5M-2894 C [10] WASHER  
3. 8D-8450 C [1] COVER  
  8D-8451 [1] GASKET  
4. 1B-2578 [3] NUT  
5. 8D-8446 [1] HOUSING  
  8D-8453 [1] GASKET  
6. 4B-3643 [1] SETSCREW  
7. 5D-6383 [1] PIN  
8. 1D-5117 [1] NUT  
9. 5D-6366 [1] LEVER  
10. 8D-8456 [2] SPRING  
11. 8D-8447 [1] SPRING  
12. 5D-0353 C [2] BOLT  
13. 5B-0986 [1] SCREW  
14. 2G-7948 C [1] LEVER ASSEM.  
    (Includes)
15. 3D-8823 [1] BEARING  
16. 1B-8702 [1] KEY  
17. 5P-9938 C [1] BOLT  
  C   INDICATES CHANGE
 

#UEG0807S0149
 

8D-8110: CONTROL GP-TRANSMISSION

8D8110 TRANSMISSION CONTROL GROUP--Part 2 of 3
Serial No. 45P2359-Up
6D856 Valve parts are shown on Page 45
c174499 UEG0807S
8D8110 CONTROL GP-TRANSMISSION Parts scheme
  For full view, you need register

Parts for your 621B WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2A-1736 [1] HANDLE  
2. 5D-6382 [1] ROD  
3. 5D-6379 [1] PLATE ASSEM.  
4. 4D-0506 [1] HANDLE  
5. 5B-8407 [1] PIN  
6. 5F-7464 [1] SPRING  
7. 1A-8912 [1] WASHER  
8. [1] PIN  
  3B-4611 [1] COTTER PIN  
9. 8D-8461 [1] HOUSING ASSEM.  
    (Includes)
10. 5H-7179 [2] BEARING  
11. 3D-5702 [1] BEARING  
12. 8D-6889 [1] PEDAL  
13. 8D-3372 [1] PIN  
  3B-4607 [1] COTTER PIN  
14. [1] BOLT  
  1B-2578 [1] NUT  
15. 5M-9708 [1] SPRING  
16. 6D-0856 Y [1] VALVE  
    (Separate Illustration)
17. 5K-9246 [2] CONNECTOR  
18. 2J-3118 [1] BOLT  
19. 8D-8955 [1] TUBE ASSEM.  
20. 3D-7587 [1] UNION  
21. 7D-4786 [2] PLUG  
22. 5P-9938 C [6] BOLT  
  5M-2894 C [6] WASHER  
23. 7D-3494 [1] HOSE ASSEM. 241.30 cm(95 in.)  
24. 9M-8406 [1] CLIP  
25. 4H-6147 [1] UNION  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

Information:

Special Instruction
Use Of 6V188 Drive Line Alignment Tool{626, 3253}
Use Of 6V188 Drive Line Alignment Tool{626, 3253}
Installation Of Drive Line Conversion Groups{3253}
Installation Of Drive Line Conversion Groups{3253}
Specifications
Drive Shaft Group<BR> (Later Machines)
621B TRACTOR POWER TRAIN
Coupling For The Drive Shaft<BR> (Early Machines)
621B TRACTOR POWER TRAIN
Reuse And Salvage Guidelines
Specifications for Inspection of Driveline Fasteners {3030, 3101, 3159, 3253, 3258, 3278, 4050}
Specifications for Inspection of Driveline Fasteners {3030, 3101, 3159, 3253, 3258, 3278, 4050}
Torque Converter, Divider, Drive Line, and Drive Axle Reuse and Salvage Manual Contents {0374, 3000, 3050, 3100, 3250, 3251, 3253, 3258}
Torque Converter, Divider, Drive Line, and Drive Axle Reuse and Salvage Manual Contents {0374, 3000, 3050, 3100, 3250, 3251, 3253, 3258}
Procedure to Machine Damaged Transmission and Differential Yokes {3030, 3253, 3258}
Procedure to Machine Damaged Transmission and Differential Yokes {3030, 3253, 3258}
Disassembly and Assembly
Engine And Drive Shaft
3406 VEHICULAR ENGINE FOR 621B & 623B TRACTORS
Drive Shaft
3406 VEHICULAR ENGINE FOR 621B & 623B TRACTORS
Engine And Drive Shaft
621B & 623B TRACTORS POWER TRAIN
Drive Shaft
621B & 623B TRACTORS POWER TRAIN
Drive Shaft Group
621B & 623B TRACTORS POWER TRAIN
Service Magazine
Drive Shaft Conversion Groups Now Available For Parts Service{3253,3252}
1980/08/25
New Drive Shaft Available For Parts Service{3253}
1981/04/06
Use 6V3069 Clutch Alignment Tool During Installation Of Drive Line Clutch{0626,0622,3253}
1981/09/28
Housing Modification Permits Use Of 6V188 Drive Line Alignment Tool{3252,3253}
1982/11/01
New Discs And Plates Used In Drive Shaft Groups{3253,3279}
1983/06/06
Drive Shafts Improved To Reduce Wear{3250,3253}
1985/04/01
Correct Alignment Of Yokes And Drive Shaft Will Prevent Excessive (Too Much) Runout{3253}
1978/09/25
One-Piece Drive Shaft Used In Place Of Coupling And Two Shafts{3252,3253}
1978/12/18
Improved Lubrication To Stubshaft Portion Of Drive Shaft{3253}
1988/10/17
More Information About One-Piece Drive Shaft; Corrected Parts Information{3253,3252}
1979/08/13
Optional Method To Improve Lubrication To Stubshaft Portion Of Drive Shaft {3253}
1989/09/04

Caterpillar Parts SIS Catalog 621B :

DRIVE SHAFT GP
6G-0710 DRIVE SHAFT GP
DRIVE SHAFT GP
6G-0710 DRIVE SHAFT GP
DRIVE SHAFT GP
6G-0710 DRIVE SHAFT GP
DRIVE SHAFT GROUP
6G-5790 DRIVE SHAFT GROUP
DRIVE SHAFT GROUP
6G-5790 DRIVE SHAFT GROUP
DRIVE SHAFT GROUP
8D-4450 DRIVE SHAFT GROUP
DRIVE SHAFT GROUP
8D-4450 DRIVE SHAFT GROUP
DRIVE SHAFT GROUP
8D-4450 DRIVE SHAFT GROUP
TRANSMISSION AR
3P-0374 TRANSMISSION AR
TRANSMISSION AR
3P-0374 TRANSMISSION AR
TRANSMISSION AR
7G-2780 TRANSMISSION AR
TORQUE CONVERTER GP
1T-1065 TORQUE CONVERTER GP
CONTROL GP-TRANSMISSION
8D-8110 CONTROL GP-TRANSMISSION
CONTROL GP-TRANSMISSION
8D-8110 CONTROL GP-TRANSMISSION
CONTROL GP-TRANSMISSION
8D-8110 CONTROL GP-TRANSMISSION
CONTROL GP-TRANSMISSION
8D-8110 CONTROL GP-TRANSMISSION

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