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2S6457 TRANSMISSION FILTER GROUP Part of 3S148, 5S7777 & 5S7778 Transmission Arrangement shown on Pages 90, 90A, 90B & 180B-1 621


POWER TRAIN
FILTER GP
PUMP GP
DIFFERENTIAL & BEVEL GEAR GP

WHEEL TRACTOR 621 WHEEL TRACTOR 23H
 621 TRACTOR 23H00001-02222 (MACHINE) UE070042 621 23H   (1966)

POWER TRAIN

FILTER GP
FILTER GP-TRANSMISSION
2S-6457 FILTER GP-TRANSMISSION
 

#UE0700420190
 

2S-6457: FILTER GP-TRANSMISSION

2S6457 TRANSMISSION FILTER GROUP
Part of 3S148, 5S7777 & 5S7778 Transmission Arrangement shown on
Pages 90, 90A, 90B & 180B-1
c101811 UE070042
2S6457 FILTER GP-TRANSMISSION Parts scheme
  For full view, you need register

Parts for your 621 WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7B-3235 [6] BOLT  
2. 7S-8700 [1] COVER ASSEM.  
3. 3S-4398 [1] STUD  
    (Part of 7S8700 Cover Assem.)
4. 2H-3928 [1] SEAL  
5. 5K-1770 [1] SEAL  
6. 2H-3788 [1] NUT  
7. 4S-5858 [1] PLUG ASSEM.  
8. 7M-8485 [1] SEAL  
    (Part of 4S5858 Plug Assem.)
9. 8F-8882 [2] SEAL  
10. 2S-6462 [1] RETAINER  
11. 2S-6459 [1] HOUSING  
12. 9M-9740 [1] ELEMENT ASSEM. (Disposable)  
13. 2S-6466 [1] SPOOL  
14. 4M-7945 [1] SPRING  
15. 5M-7908 [1] PLUG ASSEM.  
  3J-1907 [1] SEAL  
    (Part of 5M7908 Plug Assem.)
16. 4S-8566 [1] PLUG ASSEM.  
  3D-2824 [1] SEAL  
    (Part of 4S8566 Plug Assem.)
 

#UE0700420191
 

2S-5842: TRANSMISSION PUMP GROUP

2S5842 TRANSMISSION PUMP GROUP
Part of 3S148, 5S7777 & 5S7778 Transmission Arrangements shown on
Pages 90, 90A, 90B & 180B-1
c105168 UE070042
2S5842 TRANSMISSION PUMP 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. 5S-4385 [1] BODY ASSEM.  
2. 8M-8489 [4] DOWEL  
    (Part of 5S4385 Body Assem.)
3. 0L-1143 [6] BOLT  
  3S-0004 [6] WASHER  
4. 2S-5841 [1] GEAR (12 Teeth-Drive)  
5. 5S-4383 [1] GEAR (12 Teeth-Idler)  
6. 2S-5838 [1] COVER ASSEM.  
7. 1M-3780 [2] BEARING  
    (Part of 2S5838 Cover Assem.)
8. 8M-5007 [2] SEAL  
9. 2S-5840 [1] BASE ASSEM.  
10. 1M-3780 [2] BEARING  
    (Part of 2S5840 Base Assem.)
 

#UE0700420192
 

TRANSMISSION PUMP AND LINES

TRANSMISSION PUMP AND LINES
Serial No. 23H1 to 23H466 inclusive
2S7850 Scavenge Pump parts are shown on Page 105
c97084 UE070042
None TRANSMISSION PUMP AND LINES Parts scheme
  For full view, you need register

Parts for your 621 WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1D-4717 [5] NUT  
2. 3B-4506 [36] LOCKWASHER  
3. 0T-0772 [8] BOLT  
4. 3B-4507 [16] LOCKWASHER  
5. 5D-6402 [1] TUBE ASSEM. (43.81" Long Overall)  
6. 5D-6406 [1] TUBE ASSEM. (41.99" Long Overall)  
7. 6H-1717 [1] BOLT  
  3B-4508 [1] LOCKWASHER  
8. 2B-7457 [1] PLUG  
9. 3H-0107 [1] SEAL  
10. 5M-6214 [1] PLUG  
11. 5J-1357 [5] SEAL  
12. 5D-6324 [1] ADAPTER  
13. 5F-9657 [2] SEAL  
14. 0S-0509 [2] BOLT  
15. 5D-6288 [2] HOSE ASSEM. (49" Long Overall)  
16. 8F-9206 [2] SEAL  
17. 0S-1594 [4] BOLT  
18. 4D-1097 [1] COUPLING  
19. 4D-1575 [1] HOSE (13" Long)  
  4D-1098 [1] COUPLING  
20. 3H-3667 [4] FLANGE  
21. 5D-6265 [1] BLOCK  
22. 1D-4556 [4] BOLT  
23. 3D-6901 [1] BLOCK  
  4F-7952 [1] SEAL  
24. 1D-4703 [4] BOLT  
25. 5M-7908 [1] PLUG ASSEM.  
  3J-1907 [1] SEAL  
    (Part of 5M7908 Plug Assem.)
26. 5D-6149 [1] SCREEN ASSEM.  
27. 1H-3305 [8] FLANGE  
28. 4F-7391 [3] SEAL  
29. 0S-1588 [16] BOLT  
30. 5D-6269 [1] TUBE ASSEM. (30.47" Long Overall)  
31. 3B-1915 [8] BOLT  
32. 5J-1356 [2] SEAL  
33. 5L-3885 [2] CLAMP  
34. 2S-7850 Y [1] PUMP GROUP  
    (See Separate Illustration)
35. 8M-5661 [1] SEAL  
36. 5D-6292 [1] HOSE ASSEM. (25.75" Long Overall)  
37. 5D-6475 [2] CLAMP  
38. 5J-1584 [2] SEAL  
39. 2K-0190 [4] FLANGE  
40. 0L-1352 [1] BOLT  
  Y   SEPARATE ILLUSTRATION
 

#UE0700420193
 

TRANSMISSION PUMP AND LINES

TRANSMISSION PUMP AND LINES
Serial No. 23H467 to 23H1489 inclusive
2S7850 Scavenge Pump parts are shown on Page 105
c98607 UE070042
None TRANSMISSION PUMP AND LINES Parts scheme
  For full view, you need register

Parts for your 621 WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1D-4717 [3] NUT  
2. 3B-4506 [36] LOCKWASHER  
3. 0T-0772 [8] BOLT  
4. 3B-4507 [16] LOCKWASHER  
5. 5D-6402 [1] TUBE ASSEM. (43.81" long overall)  
6. 5D-6406 [1] TUBE ASSEM. (41.99" long overall)  
7. 6H-1717 [1] BOLT  
8. 3B-4508 [1] LOCKWASHER  
9. 2B-7457 [1] PLUG  
10. 3J-5334 [1] PLUG ASSEM.  
11. 3J-1907 [1] SEAL  
    (Part of 3J5334 Plug Assem.)
12. 5J-1357 [5] SEAL  
13. 6D-1909 [1] ADAPTER  
14. 0S-0509 [2] BOLT  
15. 5D-6288 [2] HOSE ASSEM. (49" long overall)  
16. 8F-9206 [2] SEAL  
17. 0S-1594 [4] BOLT  
18. 4D-1097 [1] COUPLING  
19. 4D-1575 [1] HOSE (13" Long)  
  4D-1098 [1] COUPLING  
20. 3H-3667 [4] FLANGE  
21. 5D-6265 [1] BLOCK  
22. 1D-4556 [4] BOLT  
23. 3D-6901 [1] BLOCK  
  4F-7952 [1] SEAL  
24. 1D-4703 [4] BOLT  
25. 5M-7908 [1] PLUG ASSEM.  
  3J-1907 [1] SEAL  
    (Part of 5M7908 Plug Assem.)
26. 5D-6149 [1] SCREEN ASSEM.  
27. 1H-3305 [8] FLANGE  
28. 4F-7391 [3] SEAL  
29. 0S-1588 [16] BOLT  
30. 5D-6269 [1] TUBE ASSEM. (30.47" long overall)  
31. 3B-1915 [8] BOLT  
32. 5J-1356 [2] SEAL  
33. 5L-3885 [2] CLAMP  
34. 2S-7850 Y [1] PUMP GROUP  
    (See Separate Illustration)
35. 8M-5661 [1] SEAL  
36. 5D-6292 [1] HOSE ASSEM. (25.75" long overall)  
37. 5D-6475 [2] CLAMP  
38. 5J-1584 [2] SEAL  
39. 2K-0190 [4] FLANGE  
40. 0L-1352 [1] BOLT  
41. 6D-2698 [2] BOLT  
  Y   SEPARATE ILLUSTRATION
 

#UE0700420194
 

TRANSMISSION PUMP AND LINES

TRANSMISSION PUMP AND LINES
Effective with Serial No. 23H1490
2S7850 Pump parts are shown on Page 105
c123205 UE070042
None TRANSMISSION PUMP AND LINES Parts scheme
  For full view, you need register

Parts for your 621 WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1D-4717 [3] NUT  
2. 3B-4506 [36] LOCKWASHER  
3. 0T-0772 [8] BOLT  
4. 3B-4507 [16] LOCKWASHER  
5. 5D-6402 [1] TUBE ASSEM. (43.81" long overall)  
6. 5D-6406 [1] TUBE ASSEM. (41.99" long overall)  
7. 6H-1717 [1] BOLT  
8. 3B-4508 [1] LOCKWASHER  
9. 2B-7457 [1] PLUG  
10. 3J-5334 [1] PLUG ASSEM.  
11. 3J-1907 [1] SEAL  
    (Part of 3J5334 Plug Assem.)
12. 6J-3625 C [5] SEAL  
13. 6D-1909 [1] ADAPTER  
14. 0S-0509 [2] BOLT  
15. 5D-6288 [2] HOSE ASSEM. (49" long overall)  
16. 8F-9206 [2] SEAL  
17. 0S-1594 [4] BOLT  
18. 4D-1097 [1] COUPLING  
19. 4D-1575 [1] HOSE (13" Long)  
  4D-1098 [1] COUPLING  
20. 3H-3667 [4] FLANGE  
21. 5D-6265 [1] BLOCK  
22. 1D-4556 [4] BOLT  
23. 6D-6256 C [1] BLOCK  
  6J-3625 [1] SEAL  
24. 1D-4703 [4] BOLT  
25. 6D-2698 [2] BOLT  
26. 5D-6149 [1] SCREEN ASSEM.  
27. 1H-3305 [8] FLANGE  
28. 4F-7391 [3] SEAL  
29. 0S-1588 [16] BOLT  
30. 5D-6269 [1] TUBE ASSEM. (30.47" Long Overall)  
31. 3B-1915 [8] BOLT  
32. 6J-3600 [2] SEAL  
33. 5L-3885 [2] CLAMP  
34. 2S-7850 Y [1] PUMP GROUP  
    (See Separate Illustration)
35. 8M-5661 [1] SEAL  
36. 6D-5404 C [1] HOSE ASSEM. (23.50" long overall)  
37. 5D-6475 [2] CLAMP  
38. 6J-3575 C [2] SEAL  
39. 2K-0190 [4] FLANGE  
40. 0L-1352 [1] BOLT  
  C   INDICATES CHANGE FROM PREVIOUS
  Y   SEPARATE ILLUSTRATION
 

#UE0700420195
 

2S-7850: PUMP GP-SCAVENGE

2S7850 SCAVENGE PUMP GROUP
Part of Transmission Pump and Lines shown on Pages 104, 104A and 104B
c79282 UE070042
2S7850 PUMP GP-SCAVENGE 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-7847 [1] BODY ASSEM.  
2. 4H-9705 [1] BEARING  
    (Part of 2S7847 Body Assem.)
3. 3S-8063 [1] SHAFT ASSEM. (10 Teeth Drive)  
4. [1] GEAR  
    (Part of 3S8063 Shaft Assem.)
5. 8H-9442 [1] GEAR ASSEM. (10 Teeth Idler)  
6. 6H-2744 [1] BEARING  
    (Part of 8H9442 Gear Assem.)
7. 0S-1571 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
8. 2S-2182 [1] SEAL  
9. 2S-7845 [1] COVER ASSEM.  
10. 2S-7848 [1] SHAFT  
11. 4H-9705 [1] BEARING  
12. 1F-1006 [1] DOWEL  
    (Parts of 2S7845 Cover Assem.)
 

#UE0700420196
 

2S-5843: SCAVENGE PUMP GROUP

2S5843 SCAVENGE PUMP GROUP
Serial No. 23H1 to 1102, 1104, 1106, 1107, 1109 to 1112, 1114, 1115, 1117, 1120,
1121, 1123, 1124, 1126 to 1128, 1135, 1136, 1140 to 1144, 1146, 1147, 1149, 1150,
1156 to 1158, 1160, 1165, 1168, 1169, 1171, 1176, 1177, 1186, 1191 & 23H1200 inclusive
Part of 3S148 and 5S7777 Transmission Arrangements shown on Pages 90 & 90A
c78953 UE070042
2S5843 SCAVENGE PUMP 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. 1S-6457 [1] BODY ASSEM.  
  8M-8489 [4] DOWEL  
    (Part of 1S6457 Body Assem.)
2. 3S-1340 [1] BASE ASSEM.  
3. 1M-3780 [2] BEARING  
    (Part of 3S1340 Base Assem.)
4. 1S-6508 [1] GEAR (12 Teeth)  
5. 8M-5007 [2] SEAL  
6. 1S-6509 [1] GEAR (12 Teeth)  
7. 2S-1454 [1] COVER ASSEM.  
  1M-3781 [2] BEARING  
    (Part of 2S1454 Cover Assem.)
  5M-7908 [1] PLUG ASSEM.  
  3J-1907 [1] SEAL  
    (Part of 5M7908 Plug Assem.)
8. 0L-1143 [4] BOLT  
9. 3S-0004 [6] WASHER  
10. 0T-0573 [2] BOLT  
 

#UE0700420197
 

7S-8595: SCAVENGE PUMP GROUP

7S8595 SCAVENGE PUMP GROUP
Serial No. 23H1103, 1105, 1108, 1113, 1116, 1118, 1119, 1122, 1125, 1129 to
1134, 1137 to 1139, 1145, 1148, 1151 to 1155, 1159, 1161 to 1164, 1166,
1167, 1170, 1172 to 1175, 1178 to 1185, 1187 to 1190, 1192 to 1199 & 23H1201-Up
Part of 5S7777 & 5S7778 Transmission Arrangements
shown on Pages 90A, 90B & 180B-1
c122287 UE070042
7S8595 SCAVENGE PUMP 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. 4M-0501 [1] BODY ASSEM.  
2. 8M-8489 [4] DOWEL  
    (Part of 4M501 Body Assem.)
3. 0T-0573 [2] BOLT (2.75" Long)  
4. 3S-0004 [6] WASHER  
5. 3S-1340 [1] BASE ASSEM.  
6. 1M-3780 [2] BEARING  
    (Part of 3S1340 Base Assem.)
7. 7S-8597 [1] GEAR (12 Teeth-Idler)  
8. 7S-8596 [1] GEAR (12 Teeth-Drive)  
9. 8M-5007 [2] SEAL  
10. 2S-1454 [1] COVER ASSEM.  
11. 1M-3780 [2] BEARING  
    (Part of 2S1454 Cover Assem.)
12. 5M-7908 [1] PLUG ASSEM.  
  3J-1907 [1] SEAL  
    (Part of 5M7908 Plug Assem.)
13. 0L-1143 [4] BOLT (2.50" Long)  
 

#UE0700420198
 

DIFFERENTIAL CASE AND COVERS

DIFFERENTIAL CASE AND COVERS--Part 1 of 2
Serial No. 23H1 to 23H1233 inclusive
c78307 UE070042
None DIFFERENTIAL CASE AND COVERS Parts scheme
  For full view, you need register

Parts for your 621 WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5D-5981 [1] CASE AND FRAME ASSEM.  
  5D-5692 [1] CASE ASSEM.  
2. 3J-8154 [2] STUD  
3. 2D-8822 [3] STUD  
4. 5M-3012 [3] LUG  
5. 3D-7999 [2] PLATE  
6. 9M-2151 [19] STUD  
7. 5D-5762 [1] FRAME ASSEM.  
8. 5D-5761 [1] FRAME ASSEM.  
9. 1B-1064 [2] SEAL  
10. 2D-7714 [2] BUSHING  
11. 1A-1593 [4] STUD  
12. 2D-7688 [2] COLLAR  
13. 4D-6579 [44] STUD  
14. 0T-0305 [6] STUD  
15. 4D-2161 [2] BLOCK  
16. 4D-9835 [19] STUD  
    (Parts of 5D5981 Case and Frame Assem.)
17. 8B-6599 [2] PLUG  
  0L-1124 [2] GASKET  
18. 1D-4717 [16] NUT  
19. 3B-4506 [18] LOCKWASHER  
20. 4D-0189 [1] GUIDE ASSEM.  
  1F-4738 [1] GASKET  
21. 0S-1594 [2] BOLT  
22. 3H-0019 [3] CLIP  
23. 4D-0177 [1] PLUNGER ASSEM.  
 

#UE0700420199
 

DIFFERENTIAL CASE AND COVERS

DIFFERENTIAL CASE AND COVERS--Part 2 of 2
Serial No. 23H1 to 23H1233 inclusive
c78308 UE070042
None DIFFERENTIAL CASE AND COVERS Parts scheme
  For full view, you need register

Parts for your 621 WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4D-1744 [1] COVER  
2. 4D-0307 [1] CAP  
3. 4D-0306 [1] GASKET  
4. 4H-6112 [1] BREATHER  
  5B-6009 [1] COUPLING  
  3B-7741 [1] NIPPLE  
5. 4D-1746 [1] GASKET  
6. 7F-6289 [3] ELBOW  
7. 2D-0058 [3] UNION  
8. 5D-7525 [1] HOSE ASSEM. (49.38" Long Overall)  
9. 7B-3063 [1] ADAPTER  
10. 1A-2029 [2] BOLT  
11. 3B-4506 [4] LOCKWASHER  
12. 6B-7639 [1] TEE  
13. 4D-0179 [1] BRACKET  
  1F-3542 [1] BREATHER  
14. 2F-2318 [1] HOOD ASSEM.  
15. 8F-5437 [1] ELEMENT ASSEM.  
16. 9B-8714 [1] SKIRT ASSEM.  
17. 5D-7524 [1] HOSE ASSEM. (17.62" Long Overall)  
18. 5D-5973 [1] PLUNGER ASSEM.  
19. 4D-6865 [1] GUIDE ASSEM.  
  1F-4738 [1] GASKET  
20. 0S-1594 [2] BOLT  
21. 4D-0309 [1] CAP  
22. 6F-5188 [1] GASKET  
 

Information:

Special Instruction
Guidelines for the Use of Clean Out Filters for the Hydraulic Oil System and for the Power Train Oil System{3067, 5068}
Guidelines for the Use of Clean Out Filters for the Hydraulic Oil System and for the Power Train Oil System{3067, 5068}
Specifications
Oil Filter For The Transmission
621 WHEEL TRACTOR-SCRAPER POWER TRAIN
Contamination Control Guidelines
Proper Oil Changing Procedures {1000, 1308, 1316, 1325, 1348, 3000, 3004, 3005, 3030, 3064, 3067, 3080, 3081, 4000, 4001, 4050, 4051, 5050, 5056, 5068, 5095}
Proper Oil Changing Procedures {1000, 1308, 1316, 1325, 1348, 3000, 3004, 3005, 3030, 3064, 3067, 3080, 3081, 4000, 4001, 4050, 4051, 5050, 5056, 5068, 5095}
Service Magazine
Color Coded Dust Caps for S·O·S Ports Will Be Available {7770}
2003/12/01
Optional High Efficiency Filters Are Now Available {3004, 5068}
2003/07/07
Understanding Transmission Filter Plugging Events {3004, 3067}
2007/04/02
New Oil Filters for all Cat Machines are Available {3004, 3067, 4295, 431F, 5068}
New Oil Filters for all Cat Machines are Available {3004, 3067, 4295, 431F, 5068}

Caterpillar Parts SIS Catalog 621 :

SELECTOR VALVE GROUP
7S-6937 SELECTOR VALVE GROUP
PRESSURE CONTROL VALVE GROUP
8S-3400 PRESSURE CONTROL VALVE GROUP
PRESSURE CONTROL VALVE GROUP
2S-4989 PRESSURE CONTROL VALVE GROUP
TRANSMISSION HYDRAULIC CONTROL
TRANSMISSION HYDRAULIC CONTROL
TRANSMISSION HYDRAULIC CONTROL
TRANSMISSION HYDRAULIC CONTROL
TRANSMISSION HYDRAULIC CONTROL
TRANSMISSION HYDRAULIC CONTROL
TRANSMISSION HYDRAULIC CONTROL
TRANSMISSION HYDRAULIC CONTROL
TRANSMISSION CONTROL
TRANSMISSION CONTROL
TRANSMISSION PUMP GROUP
2S-5842 TRANSMISSION PUMP GROUP
TRANSMISSION PUMP AND LINES
TRANSMISSION PUMP AND LINES
TRANSMISSION PUMP AND LINES
TRANSMISSION PUMP AND LINES
TRANSMISSION PUMP AND LINES
TRANSMISSION PUMP AND LINES
PUMP GP-SCAVENGE
2S-7850 PUMP GP-SCAVENGE
SCAVENGE PUMP GROUP
2S-5843 SCAVENGE PUMP GROUP
SCAVENGE PUMP GROUP
7S-8595 SCAVENGE PUMP GROUP
DIFFERENTIAL CASE AND COVERS
DIFFERENTIAL CASE AND COVERS

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 
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- Road Scraper
ALTORFER INC.
 
826,455 
Caterpillar 621K, Road Scraper, Construction


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500,000 
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HOLT CAT
Caterpillar 621K, Road Scraper, Construction
435,000 
Caterpillar 621K, Road Scraper, Construction

CAROLINA CAT
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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.
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