AVSPARE.COM
parts catalog
  1. Home
  2. Caterpillar catalog

SERVICE METER AND TACHOMETER DRIVE 3S7230 Tachometer Drive Group parts are shown on Page 40 621 WHEEL TRACTOR


FUEL SYSTEM
DRIVE GP-TACHOMETER
OPERATOR STATION
PANEL GP
FUEL SYSTEM
DRIVE GP-TACHOMETER
BASIC ENGINE
MOUNTING GP-ENGINE
FUEL SYSTEM
GOVERNOR GP

WHEEL TRACTOR 621 WHEEL TRACTOR 23H
 621 TRACTOR 23H02223-04298 (MACHINE) UEG0051S 621 23H   (1966)

FUEL SYSTEM

DRIVE GP-TACHOMETER
SERVICE METER AND TACHOMETER DRIVE
SERVICE METER AND TACHOMETER DRIVE
TACHOMETER DRIVE GROUP
3S-7230 TACHOMETER DRIVE GROUP
 

#UEG0051S0050
 

SERVICE METER AND TACHOMETER DRIVE

SERVICE METER AND TACHOMETER DRIVE
3S7230 Tachometer Drive Group parts are shown on Page 40
c122527 UEG0051S
None SERVICE METER AND TACHOMETER DRIVE Parts scheme
  For full view, you need register

Parts for your 621 WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5S-3023 [1] ADAPTER ASSEM.  
2. 8M-1051 [1] SEAL  
3. 2S-1270 [1] BEARING  
    (Parts of 5S3023 Adapter Assem.)
4. 3S-7230 Y [1] TACHOMETER DRIVE GROUP  
    (See Separate Illustration)
5. 4F-7391 [1] SEAL  
6. 3S-7229 Y [1] SERVICE METER GROUP  
    (See Separate Illustration)
7. 0S-1618 [6] BOLT (1" Long)  
8. 1D-4539 [1] BOLT (2.50" Long)  
9. 3B-4505 [9] LOCKWASHER  
10. 1D-4538 [1] BOLT (2.25" Long)  
11. 5S-3024 [1] GASKET  
12. 1S-5958 [1] GASKET  
13. 1F-5842 [1] BOLT (3.75" Long)  
  Y   SEPARATE ILLUSTRATION
 

#UEG0051S0051
 

3S-7229: SERVICE METER GROUP

3S7229 SERVICE METER GROUP
Part of Service Meter and Tachometer Drive
c78921 UEG0051S
3S7229 SERVICE METER GROUP Parts scheme
  For full view, you need register

Parts for your 621 WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  2S-0403 [1] HOUSING ASSEM.  
  8H-5261 [1] GEAR (40 TEETH)  
  1F-3539 [1] PIN  
    (PARTS OF COUNTER ASSEM. 8H5262)
  9B-2232 [1] CAP  
  2S-1270 [1] BEARING  
    (PART OF HOUSING ASSEM. 2S403)
  9M-3866 [1] GASKET  
  4S-7001 [1] RETAINER ASSEM.  
  5B-6904 [1] SPRING  
    (PART OF RETAINER ASSEM. 4S7001)
  8H-5262 [1] COUNTER ASSEM.  
  8H-5961 [1] COUNTER  
    (PART OF COUNTER ASSEM. 8H5262)
  9M-7660 [1] GASKET  
  8H-5124 [1] PLATE  
  7B-3028 [2] SCREW  
    (PARTS OF HOUSING ASSEM. 2S403)
  3S-6631 [1] SHAFT  
  9M-4256 [1] BEARING  
    (PART OF HOUSING ASSEM. 2S403)
  1S-3365 [1] WINDOW  
  3S-9557 [4] SCREW  
 

#UEG0051S0052
 

3S-7230: TACHOMETER DRIVE GROUP

3S7230 TACHOMETER DRIVE GROUP
Part of Service Meter and Tachometer Drive shown on Page 39
c122528 UEG0051S
3S7230 TACHOMETER DRIVE GROUP Parts scheme
  For full view, you need register

Parts for your 621 WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3S-6637 [1] SHAFT ASSEM.  
2. 5S-2951 [1] HOUSING  
  2B-4602 [1] PLUG  
3. 2S-8153 [1] BEARING  
4. 4L-8395 [14] SHIM  
5. 4L-8082 [1] SHAFT ASSEM.  
6. 3S-8480 [1] HOUSING ASSEM.  
7. 1F-0904 [1] BUSHING  
    (Part of 3S8480 Housing Assem.)
 

#UEG0051S0053
 

ENGINE SUPPORT

ENGINE SUPPORT
c105003 UEG0051S
None ENGINE SUPPORT Parts scheme
  For full view, you need register

Parts for your 621 WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2S-0904 [1] BRACKET (Left Hand)  
2. 0S-1756 [8] BOLT  
3. 4D-3703 [8] WASHER  
4. 1A-8063 [7] BOLT  
5. 3B-4512 [7] LOCKWASHER  
6. 2S-2843 [1] SUPPORT ASSEM. (Front)  
7. 2S-0903 [1] BRACKET (Right Hand)  
8. 7B-3235 [3] BOLT (1.375" long)  
  0S-1587 [1] BOLT (1.75" long)  
  3B-4508 [4] LOCKWASHER  
 

#UEG0051S0054
 

FUEL PUMP HOUSING AND GOVERNOR

FUEL PUMP HOUSING AND GOVERNOR
Serial No. 23H2223 to 23H2876 inclusive. 5S7085 Governor, Torque Spring,
4S9412 Drive and 3S9620 Pump Housing parts are shown on Pages 41A through
42A, 44A, 45, 50 and 51. Refer also to Page 145 for special parts
c121744 UEG0051S
None FUEL PUMP HOUSING AND GOVERNOR Parts scheme
  For full view, you need register

Parts for your 621 WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. Y [1] TORQUE SPRING GROUP  
2. 5S-7085 Y [1] GOVERNOR GROUP  
3. 3S-9620 Y [1] FUEL PUMP HOUSING GROUP  
    (See Separate Illustration)
4. 1S-7058 [1] PLATE  
5. 0S-1617 [2] BOLT  
  2A-5328 [2] LOCK  
6. 9F-7283 [1] SEAL  
7. 1S-7104 [1] SEAL  
8. 0S-1571 [4] BOLT  
9. 3B-4506 [4] LOCKWASHER  
10. 4S-9412 Y [1] DRIVE ASSEM.  
    (See Separate Illustration)
  Y   SEPARATE ILLUSTRATION
 

#UEG0051S0055
 

FUEL PUMP HOUSING AND GOVERNOR

FUEL PUMP HOUSING AND GOVERNOR
Effective with Serial No. 23H2877. 8S5390 Governor, Torque Spring,
4S9412 Drive & 3S9620 Pump Housing parts are shown on Pages 42B, 43, 44A,
45, 50 & 51. Refer also to Page 145 for special parts
c127401 UEG0051S
None FUEL PUMP HOUSING AND GOVERNOR Parts scheme
  For full view, you need register

Parts for your 621 WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. [1] TORQUE SPRING GROUP  
2. 8S-5390 [1] GOVERNOR GROUP  
3. 3S-9620 Y [1] FUEL PUMP HOUSING GROUP  
    (See Separate Illustration)
4. 1S-7058 [1] PLATE  
5. 0S-1617 [2] BOLT  
  2A-5328 [2] LOCK  
6. 1S-1225 [1] SEAL  
7. 1S-7104 [1] SEAL  
8. 0S-1571 [4] BOLT  
9. 3B-4506 [4] LOCKWASHER  
10. 4S-9412 Y [1] DRIVE ASSEM.  
    (See Separate Illustration)
  Y   SEPARATE ILLUSTRATION
 

#UEG0051S0056
 

5S-7085: GOVERNOR GROUP

5S7085 GOVERNOR GROUP--Part 1 of 2--Type 1
Part of Fuel Pump Housing and Governor shown on Pages 41 & 147
c105190 UEG0051S
5S7085 GOVERNOR GROUP Parts scheme
  For full view, you need register

Parts for your 621 WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2S-7465 [1] SCREW  
2. 8F-1326 [1] WASHER  
3. 4B-2042 [1] NUT  
  3B-4501 [1] LOCKWASHER  
4. 2S-8061 [1] SCREW (High Idle Adjust)  
5. 1S-7660 [1] SHAFT  
6. 4S-8512 [1] COVER  
7. 1B-2790 [5] BOLT  
8. 9M-4704 [1] SCREW  
9. 9F-4522 [1] GASKET  
10. 9M-4690 [1] PLUG  
11. 1S-9312 [1] SPRING  
12. 9M-1216 [1] PLUNGER  
13. 8M-8763 [1] SCREW (Low Idle Adjust)  
14. 5S-1221 [1] SPRING  
15. 2S-7307 [2] INSULATOR  
16. 2S-0008 [1] SEAT  
17. 8M-9140 [1] SPRING  
18. 9M-6303 [1] SPRING  
19. 8M-8726 [1] DOWEL  
20. 7M-7193 [2] RACE  
21. 7M-7219 [1] BEARING  
22. 3K-0810 [1] RING  
23. 7B-8105 [1] RING  
24. 7L-8777 [1] SLEEVE  
25. 2A-0762 [3] BOLT  
  9M-6293 [1] LOCK  
26. 8M-8997 [1] SEAL  
27. 7S-8447 [1] PISTON AND VALVE ASSEM.  
28. [1] WEIGHT ASSEM.  
29. 1S-5440 [2] DOWEL  
30. 2S-0101 [2] WEIGHT  
    (Parts of 2S4221 Weight Assem.)
31. 1S-4741 [1] CYLINDER  
32. 8M-8993 [1] RING  
33. 2S-0007 [1] SLEEVE  
34. 9M-6302 [2] WASHER  
35. 3S-9639 [1] SEAT ASSEM.  
36. 8H-9181 [1] SPRING  
 

#UEG0051S0057
 

5S-7085: GOVERNOR GROUP

5S7085 GOVERNOR GROUP--Part 2 of 2--Type 1
Part of Fuel Pump Housing and Governor shown on Pages 41 & 147
c98381 UEG0051S
5S7085 GOVERNOR GROUP Parts scheme
  For full view, you need register

Parts for your 621 WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2S-7289 [1] COLLAR  
2. 2S-7235 [1] SPRING  
3. 8M-8739 [1] BOLT  
4. 3S-6552 [1] GASKET  
5. 9F-7283 [1] SEAL  
6. 3S-6567 [1] ADAPTER ASSEM.  
  3D-4603 [2] PLUG  
7. 4F-6024 [2] DOWEL  
8. 2S-1539 [1] PINION  
9. 2S-1520 [1] SLEEVE  
    (Parts of 3S6567 Adapter Assem.)
10. 1S-7105 [1] PIN  
11. 2S-8068 [1] LEVER  
12. 2S-8076 [1] SHAFT  
  3S-8590 [1] SPINDLE ASSEM.  
13. 3S-8589 [1] SHAFT  
14. 3S-8588 [1] COLLAR  
15. 3S-8586 [1] SPRING  
16. 4M-6962 [1] SLEEVE  
17. 6H-2948 [2] DOWEL  
18. 3S-8587 [1] GEAR  
19. 9F-1707 [2] SCREW  
  3B-4502 [2] LOCKWASHER  
20. 3S-6527 [1] HOUSING ASSEM.  
  5M-6214 [1] PLUG  
21. 2H-1190 [1] DOWEL  
22. 8M-8403 [1] GUIDE  
23. 8M-6503 [2] BEARING  
24. 8H-9180 [1] SEAL  
25. 2S-7316 [1] DOWEL  
26. 9F-2083 [2] DOWEL  
    (Parts of 3S6527 Housing Assem.)
27. 3S-9640 [1] LEVER ASSEM.  
  5H-1351 [1] PIN  
28. 1S-0219 [1] BOLT  
  2F-4159 [1] LOCK  
29. 9M-9788 [1] PLUNGER  
30. 7M-7316 [1] SPRING  
31. 4S-8513 [1] GASKET  
32. 2S-7313 [1] COLLAR  
33. 2S-7315 [1] HOOK  
34. 5S-9607 [1] NUT  
35. 5S-9507 [1] SCREW  
 

#UEG0051S0058
 

5S-7085: GOVERNOR GROUP

5S7085 GOVERNOR GROUP--Part 1 of 2--Type 2
Part of Fuel Housing and Governor shown on Pages 41 & 147
c132990 UEG0051S
5S7085 GOVERNOR GROUP Parts scheme
  For full view, you need register

Parts for your 621 WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2S-7465 [1] SCREW  
2. 8F-1326 [1] WASHER  
3. 4B-2042 [1] NUT  
  3B-4501 [1] LOCKWASHER  
4. 2S-8061 [1] SCREW (High Idle Adjust)  
5. 1S-7660 [1] SHAFT  
6. 4S-8512 [1] COVER  
7. 1B-2790 [5] BOLT  
8. 9M-4704 [1] SCREW  
9. 9F-4522 [1] GASKET  
10. 9M-4690 [1] PLUG  
11. 1S-9312 [1] SPRING  
12. 9M-1216 [1] PLUNGER  
13. 8M-8763 [1] SCREW (Low Idle Adjust)  
14. 5S-1221 [1] SPRING  
15. 2S-7307 [2] INSULATOR  
16. 2S-0008 [1] SEAT  
17. 8M-9140 [1] SPRING  
18. 9M-6303 [1] SPRING  
19. 8M-8726 [1] DOWEL  
20. 7M-7193 [2] RACE  
21. 7M-7219 [1] BEARING  
22. 3K-0810 [1] RING  
23. 7B-8105 [1] RING  
24. 7L-8777 [1] SLEEVE  
25. 2A-0762 [3] BOLT  
  9M-6293 [1] LOCK  
26. 8M-8997 [1] SEAL  
27. 7S-8447 [1] PISTON AND VALVE ASSEM.  
28. 2S-4421 [1] WEIGHT ASSEM.  
29. 1S-5440 [2] DOWEL  
30. 2S-0101 [2] WEIGHT  
    (Parts of 2S4421 Assem.)
31. 1S-4741 [1] CYLINDER  
32. 8M-8993 [1] RING  
33. 2S-0007 [1] SLEEVE  
34. 9M-6302 [2] WASHER  
35. 3S-9639 [1] SEAT ASSEM.  
36. 8H-9181 [1] SPRING  
37. 9S-1709 [1] HOUSING ASSEM.  
38. 8H-9180 [1] SEAL  
39. 9F-2083 [2] DOWEL  
40. 2S-7316 [1] DOWEL  
41. 5M-6214 [1] PLUG  
42. 8M-8403 [1] GUIDE  
43. 4F-4585 [1] PLUG  
44. 8S-0134 [1] BEARING  
45. 2H-1190 [1] DOWEL  
46. 9S-0798 [1] BEARING  
    (Parts of 9S1709 Assem.)
 

#UEG0051S0059
 

5S-7085: GOVERNOR GROUP

5S7085 GOVERNOR GROUP--Part 2 of 2--Type 2
Part of Fuel Pump Housing and Governor shown on Pages 41 & 147
c127262 UEG0051S
5S7085 GOVERNOR GROUP Parts scheme
  For full view, you need register

Parts for your 621 WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2S-7289 [1] COLLAR  
2. 2S-7235 [1] SPRING  
3. 8M-8739 [1] BOLT  
4. 3S-6552 [1] GASKET  
5. 9F-7283 [1] SEAL  
6. 3S-6567 [1] ADAPTER ASSEM.  
  3D-4603 [2] PLUG  
7. 4F-6024 [2] DOWEL  
8. 2S-1539 [1] PINION  
9. 2S-1520 [1] SLEEVE  
    (Parts of 3S6567 Assem.)
10. 1S-7105 [1] PIN  
11. 2S-8068 [1] LEVER  
12. 2S-8076 [1] SHAFT  
13. 7M-7316 [1] SPRING  
14. 4S-8513 [1] GASKET  
15. 2S-7313 [1] COLLAR  
16. 2S-7315 [1] HOOK  
17. 5S-9607 [1] NUT  
18. 5S-9507 [1] SCREW  
19. 9F-1707 [2] SCREW  
  3B-4502 [2] LOCKWASHER  
  3S-8590 [1] SPINDLE ASSEM.  
20. 3S-8589 [1] SHAFT  
21. 3S-8588 [1] COLLAR  
22. 3S-8586 [1] SPRING  
23. 4M-6962 [1] SLEEVE  
24. 6H-2948 [2] DOWEL  
25. 3S-8587 [1] GEAR  
26. 3S-9640 [1] LEVER ASSEM.  
  5H-1351 [1] PIN  
27. 1S-0219 [1] BOLT  
  2F-4159 [1] LOCK  
28. 9M-9788 [1] PLUNGER  
 

Information:

Disassembly and Assembly
Service Meter And Tachometer Drive
621 & 623 TRACTOR-SCRAPER ENGINE

Caterpillar Parts SIS Catalog 621 :

GAUGES
6D-7530 GAUGES
GAUGES
6D-7530 GAUGES
GAUGES
GAUGES
AIR COMPRESSOR ASSEMBLY
2S-2764 AIR COMPRESSOR ASSEMBLY
AIR COMPRESSOR GP
1P-5013 AIR COMPRESSOR GP
AIR COMPRESSOR GP
1P-5013 AIR COMPRESSOR GP
AIR COMPRESSOR
1S-8672 AIR COMPRESSOR
AIR COMPRESSOR
1S-8672 AIR COMPRESSOR
SERVICE METER GROUP
3S-7229 SERVICE METER GROUP
TACHOMETER DRIVE GROUP
3S-7230 TACHOMETER DRIVE GROUP
ENGINE SUPPORT
ENGINE SUPPORT
FUEL PUMP HOUSING AND GOVERNOR
FUEL PUMP HOUSING AND GOVERNOR
FUEL PUMP HOUSING AND GOVERNOR
FUEL PUMP HOUSING AND GOVERNOR
GOVERNOR GROUP
5S-7085 GOVERNOR GROUP
GOVERNOR GROUP
5S-7085 GOVERNOR GROUP
GOVERNOR GROUP
5S-7085 GOVERNOR GROUP

Truck sale:

Caterpillar 621K WT, water trucks, Transport
699,500 
Caterpillar 621K WT, water trucks, Transport
- water trucks
HOLT OF CALIFORNIA
Caterpillar 621K, Road Scraper, Construction
379,500 
Caterpillar 621K, Road Scraper, Construction
- Road Scraper
ALTORFER INC.
 
826,455 
Caterpillar 621K, Road Scraper, Construction


Caterpillar 621K, Road Scraper, Construction
500,000 
Caterpillar 621K, Road Scraper, Construction

HOLT CAT
Caterpillar 621K, Road Scraper, Construction
435,000 
Caterpillar 621K, Road Scraper, Construction

CAROLINA CAT
Back to top
Contacts Request list Affiliate disclosure
The names Cat, Caterpillar, John Deere, Komatsu, Volvo, Hitachi, Doosan, JCB, Hyundai or any other original equipment manufacturers are registered trademarks of the respective original equipment manufacturers. All names, descriptions, numbers and symbols are used for reference purposes only.
AVSpare.com is in no way associated with any of the manufacturers we have listed. All manufacturer's names and descriptions are for reference only. Cat® and Caterpillar® are registered trademarks of Caterpillar, Inc.