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

3G7232 FILTER BY-PASS GROUP Part of 3G8152 Internal Filter Group shown above 621 WHEEL TRACTOR


HYDRAULIC SYSTEM
FILTER GP
TANK GP
VALVE GP-BREAKER RELIEF
PUMP GP
OPERATOR STATION
SEAT GP
ROPS/FOPS GP

WHEEL TRACTOR 621 WHEEL TRACTOR 2DB
 621B SCRAPER 2DB00001-UP (MACHINE) SEBP2429 621 2DB   (1983)

HYDRAULIC SYSTEM

FILTER GP
FILTER GP-OIL
3G-8152 FILTER GP-OIL
BYPASS GP-FILTER
3G-7232 BYPASS GP-FILTER
 

#SEBP24290230
 

3G-7232: BYPASS GP-FILTER

3G7232 FILTER BY-PASS GROUP
Part of 3G8152 Internal Filter Group shown above
c169587 SEBP2429
3G7232 BYPASS GP-FILTER Parts scheme
  For full view, you need register

Parts for your 621 WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2J-2864 [1] PLUG  
  6F-5559 [1] SEAL  
2. 7J-2994 [2] RETAINER  
3. 9J-7195 [1] COVER  
4. 034-0106 [1] BOLT  
5. 6H-3956 [1] PIN  
6. 7J-2983 [1] SPRING  
7. 7J-2989 [3] SCREW  
8. 7J-2987 [1] PLATE  
9. 7J-2988 [1] SHAFT  
10. 7J-2999 [1] HOUSING  
11. 3G-3273 [1] SPRING  
12. 8J-1856 [1] RETAINER ASSEM.  
13. 4B-9782 [1] BALL  
 

#SEBP24290231
 

2G-6580: FILTER & TANK GP-HYDRAULIC

2G6580 HYDRAULIC TANK AND FILTER GROUP--Part 1 of 2
3G8152 Filter parts are shown on Page 197
c939511 SEBP2429
2G6580 FILTER & TANK GP-HYDRAULIC Parts scheme
  For full view, you need register

Parts for your 621 WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6G-1249 [1] GASKET  
2. 5H-8985 [1] PIN  
3. 3B-6555 [1] ELBOW  
4. 3B-0551 [1] PLUG  
5. 5D-0353 [4] BOLT  
6. 2G-6482 [1] TANK ASSEM.  
    (Includes)
7. 6G-7770 [1] SUPPORT ASSEM.  
    (Includes)
  9F-2978 [1] NUT (weld)  
8. 6J-1126 [1] PLATE  
9. 6J-1081 [1] GLASS  
  6J-1080 [1] GROMMET  
10. 6J-1079 [1] RETAINER  
11. 4J-8265 [6] NUT  
12. 2G-1447 [1] DIFFUSER ASSEM.  
13. 2H-6578 [2] GASKET  
14. 8D-4392 [1] PLATE  
15. 8D-4389 [2] BOLT  
16. 8D-4390 [2] BLOCK  
17. 0S-1587 [2] BOLT  
18. 9D-5825 [1] ELBOW  
19. 5K-5225 [1] HOSE 15.24 cm(6 in.)  
20. 5P-0598 [2] CLAMP  
21. 9D-3943 [1] ADAPTER ASSEM.  
    (Includes)
  9S-9993 [1] ADAPTER  
  9H-6687 [1] PIN  
22. 9D-3942 [1] PLUG  
23. 2M-9189 [1] GASKET  
24. 0S-1585 [4] BOLT  
25. 5P-8245 [8] WASHER  
26. 2G-6488 [1] SCREEN ASSEM.  
27. 5M-2894 [14] WASHER  
28. 8D-5094 [1] TUBE ASSEM.  
  1A-3709 [1] GASKET  
29. 3G-8152 Y [1] FILTER GROUP  
    (Separate Illustration)
30. 0L-1351 [8] BOLT  
31. 030-8535 [4] BOLT  
32. 5K-7143 [2] BOLT  
  Y   SEPARATE ILLUSTRATION
 

#SEBP24290232
 

2G-6580: FILTER & TANK GP-HYDRAULIC

2G6580 HYDRAULIC TANK AND FILTER GROUP--Part 2 of 2
2G8227 Valve parts are shown on Page 200
c939512 SEBP2429
2G6580 FILTER & TANK GP-HYDRAULIC Parts scheme
  For full view, you need register

Parts for your 621 WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6D-0745 [1] STRAINER ASSEM.  
  8D-4380 [1] PLUNGER  
2. 1M-8649 [1] RING  
  5D-1901 [1] WASHER  
3. 4J-3816 [1] PLATE  
  4J-3815 [1] GASKET  
4. 5P-8502 [1] PADLOCK GROUP  
    (Includes)
  5P-8500 [2] KEY  
5. 5D-1902 [1] COVER  
6. 4J-3754 [1] CAP  
  7B-6368 [1] BALL  
7. 9M-7394 [1] LEVER  
  1L-5072 [1] DOWEL  
8. 7B-2805 [1] RING  
9. 2G-3082 [1] GRAB IRON ASSEM.  
10. 1S-3730 [1] COVER  
11. 2G-8227 Y [1] VALVE GROUP  
    (Separate Illustration)
12. 5D-0353 [47] BOLT  
13. 5M-2894 [59] WASHER  
14. 2G-9034 [1] COVER  
  1J-8595 [1] GASKET  
15. 8D-4393 [1] ANGLE  
16. 1D-4717 [40] NUT  
17. 8D-4386 [1] ANGLE  
18. 030-8537 [12] BOLT  
19. 3J-1907 [1] SEAL  
20. 3J-5553 [1] GASKET  
21. 030-8538 [6] BOLT  
  5P-8245 [6] WASHER  
  Y   SEPARATE ILLUSTRATION
 

#SEBP24290233
 

2G-8227: VALVE GP-BREAKER RELIEF

2G8227 BREAKER RELIEF VALVE GROUP
Part of 2G6580 Hydraulic Tank and Filter Group shown on Page 199
c213143 SEBP2429
2G8227 VALVE GP-BREAKER RELIEF 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-4663 [2] SEAL  
2. 5P-8132 [1] RING  
 

#SEBP24290234
 

3G-7656: CARTRIDGE GP

3G7656 CARTRIDGE GROUP
Part of 3G1239 Vane Pump Group shown on Page 168
c939513 SEBP2429
3G7656 CARTRIDGE GP Parts scheme
  For full view, you need register

Parts for your 621 WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
2. 3G-9201 [4] SEAL  
3. 6V-1195 [1] SEAL  
4. 3G-2242 [1] SEAL  
5. 6V-1558 [1] RING  
6. 6V-1179 [1] SEAL  
 

#SEBP24290235
 

6G-4330: SUSPENSION GP-SEAT

6G4330 SEAT SUSPENSION GROUP-Part 1 of 2
Part of 8D6903 Seat Group shown on Page 204
c939514 SEBP2429
6G4330 SUSPENSION GP-SEAT Parts scheme
  For full view, you need register

Parts for your 621 WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 009-9258 [2] NUT  
2. 9D-9746 [2] ACTUATOR  
3. 9D-9739 [2] BEARING  
4. 2R-0364 [5] RING  
  2G-8588 [5] PIN  
5. 6G-6397 [1] ARM  
6. 2G-8587 [1] LEVER  
7. 2G-8589 [3] SHAFT  
8. 6G-6399 [1] CLAMP  
9. 9D-9747 [1] WASHER  
10. 1K-6872 [1] NUT  
  7K-5410 [1] SPACER .83 mm(.032 in.) thick  
  4B-4280 [1] WASHER .2.42 mm(.095 in.)thick  
11. 2G-7359 [1] HANDLE  
12. 1A-8842 [2] SPACER  
13. 2G-8591 [1] SHAFT  
14. 2G-8590 [1] SHAFT  
15. 5P-7112 [1] SCREW  
16. 4F-2320 [1] WASHER  
17. 9D-9738 [1] SLIDE  
18. 2G-8595 [1] VALVE ACTUATOR ASSEM.  
19. 2G-8584 [1] LEVER  
20. 6G-2318 [1] CHANNEL  
21. 6G-2317 [1] CHANNEL  
  2B-2695 [1] BOLT  
22. 1D-4716 [1] NUT  
  3B-4505 [1] LOCKWASHER  
    THE FOLLOWING REPAIR KITS ARE AVAILABLE:
  6G-6395 [1] VALVE KIT  
    (Includes Seals, Spring & Pin.)
  2G-8651 [1] BEARING KIT  
    (Includes Bearings)
  2G-8594 [1] CYLINDER RETAINER KIT  
    (Includes Retainers, Screw, Nut & Lockwashers)
 

#SEBP24290236
 

6G-4330: SUSPENSION GP-SEAT

6G4330 SEAT SUSPENSION GROUP-Part 2 of 2
Part of 8D6903 Seat Group shown on Page 204
c939515 SEBP2429
6G4330 SUSPENSION GP-SEAT Parts scheme
  For full view, you need register

Parts for your 621 WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2G-0111 [1] KNOB  
2. 1D-4716 [4] NUT  
3. 1A-1460 [4] BOLT  
  3B-4508 [4] LOCKWASHER  
4. 030-6816 [2] ELBOW  
5. 1J-9671 [2] SEAL  
6. 4B-1319 [2] SCREW  
  4B-4276 [2] WASHER  
7. 3B-4504 [4] LOCKWASHER  
8. 6V-0468 [1] ELBOW  
9. 6G-6398 [1] HOSE ASSEM. 16.51 cm(.810 in.)  
10. 5T-4172 [1] VALVE  
12. 6V-0467 [1] CONNECTOR  
13. 3K-0360 [3] SEAL  
14. 9D-2632 [1] ACCUMULATOR  
15. 0S-0509 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
16. 2B-2695 [4] BOLT  
17. 3B-4505 [4] LOCKWASHER  
18. 2G-7353 [3] BUMPER  
19. 9D-9753 [1] TUBE  
20. 9D-9737 [1] SPRING  
21. 9L-2131 [1] SCREW  
22. 9D-9735 [1] VALVE  
24. 6G-6402 [1] WASHER  
25. 6G-2316 [1] ADJUSTER  
27. 5P-0598 [1] CLAMP  
28. 2G-8592 [2] SLIDE  
29. 4B-2047 [3] NUT  
  7H-2079 [3] LOCKWASHER  
31. 6G-2319 [1] ROD ASSEM.  
32. 2G-8593 [2] SPACER  
33. 1A-8294 [1] NUT  
  3B-4609 [1] COTTER  
34. 6G-6396 [1] WASHER  
35. 6G-6403 [2] BUSHING  
36. 6G-6401 [1] BRACKET  
37. 6G-6404 [1] CYLINDER  
38. 2A-0762 [2] BOLT  
 

#SEBP24290237
 

8D-6903: SEAT GP-SUSPENSION

8D6903 SEAT GROUP
6G4330 & 6G150 Seat Parts are shown on Pages 202 and 203
c939516 SEBP2429
8D6903 SEAT GP-SUSPENSION Parts scheme
  For full view, you need register

Parts for your 621 WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6G-0150 Y [1] SEAT GROUP  
    (Separate Illus.)
2. 8D-6899 [1] SEAT BELT GROUP  
3. 8S-0933 [3] EYE BOLT  
  5B-3254 [1] NUT  
4. 8S-0934 [2] LOCKNUT  
  4B-4279 [2] WASHER  
5. 6G-6918 [1] SCREEN ASSEM.  
6. 6G-4330 Y [1] SUSPENSION GROUP  
    (Separate Illus.)
  1T-0765 [4] BOLT  
7. 3K-0360 [1] SEAL  
8. 0S-1585 [4] BOLT  
  5P-1076 [4] WASHER  
9. 9D-7078 [1] HOSE ASSEM.  
10. 9D-7081 [1] HOSE ASSEM.  
11. 5P-2618 [1] CONNECTOR  
  1J-9671 [1] SEAL  
12. 6K-9194 [5] ELBOW (swivel)  
13. 2P-7215 [3] ELBOW  
  2P-1279 [3] LOCKNUT  
14. 030-3978 [1] CONNECTOR  
  3J-7354 [1] SEAL  
15. 8D-6894 [1] WASHER  
16. 6G-6917 [1] CONNECTOR  
17. 7V-9503 [1] BELT  
18. 9D-7082 [1] HOSE ASSEM.  
19. 2R-6806 [2] CONNECTOR  
20. 3J-1907 [3] SEAL  
21. 9D-7077 [1] HOSE ASSEM.  
22. 3S-8664 [1] CLIP  
23. 030-7962 [1] ELBOW (swivel)  
24. 8K-4071 [1] HOSE ASSEM. 119.40cm(47 in.)  
25. 8K-1684 [1] HOSE ASSEM. 81.30cm(32 in.)  
  001-6498 [1] ELBOW  
26. 3F-9559 [3] LOCKWASHER  
  Y   SEPARATE ILLUSTRATION
 

#SEBP24290238
 

6G-0150: SEAT GP

6G150 SEAT GROUP
Part of 8D6903 Seat Group shown on Page 204
c215441 SEBP2429
6G0150 SEAT GP Parts scheme
  For full view, you need register

Parts for your 621 WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9L-8398 [7] BOLT  
2. 3D-9967 [1] CUSHION-BACK  
3. 6G-0178 [1] CUSHION-SEAT  
 

#SEBP24290239
 

5R-6689: ROLL-OVER PROTECTIVE SYSTEM (ENCLOSED) GROUP

5R6689 ROLL-OVER PROTECTIVE SYSTEM (ENCLOSED) GROUP - Part 1 of 4
c939517 SEBP2429
5R6689 ROLL-OVER PROTECTIVE SYSTEM (ENCLOSED) 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. 2G-4480 J [1] WINDOW GP  
    (INCLUDES)
  5P-5625 H SEAL (1.91 m - 75.20 INCH)  
  2G-4449 GLASS (TINTED)  
2. 5M-5845 [12] SCREW  
3. 4L-1250 [12] NUT  
4. 7D-1241 [2] SEAL  
5. 2G-3527 [1] GLASS  
6. 2G-2959 [1] GLASS  
7. 4B-1281 [6] SCREW  
8. 5P-0537 [6] WASHER  
9. 9S-8750 [6] NUT  
10. 9D-1721 [1] GLASS  
11. 9D-2272 [1] SEAL  
12. 8D-7253 [1] STOP  
13. 9D-9778 [2] STRAP  
14. 1H-8299 [2] SCREW  
15. 5P-0798 [1] SEAL (1321 in.)  
16. 9M-1974 [2] WASHER  
17. 6V-2664 [2] BOLT  
18. 5S-0003 [2] NUT  
19. 5D-0353 [2] BOLT  
20. 5P-1075 [2] WASHER  
21. 9D-8031 [8] SHIM  
22. 5T-6244 [1] CATCH  
23. 9D-8848 [1] LATCH  
24. 5T-6216 [1] PLATE  
25. 4B-1282 [18] SCREW  
26. 5T-2297 [1] HINGE  
27. 9D-4409 [1] BRACKET AS.  
28. 2G-6087 [3] BUTTON  
29. 2G-5564 [1] LINER  
30. 5K-8454 [2] BOLT  
31. 5P-8245 [31] WASHER  
32. 1F-7958 [2] NUT  
33. 9L-9132 [2] WASHER  
34. 2K-4973 [2] LOCKNUT  
35. 4B-4274 [4] WASHER  
36. 1H-2387 [4] SCREW  
37. 5P-0892 [1] SEAL (860in.)  
38. 4B-3610 [1] SETSCREW  
39. 1D-4717 [1] NUT  
40. 5R-6769 [1] CATCH AS.  
41. 6F-7036 [16] BOLT  
42. 5P-8249 [16] WASHER  
43. 2G-5567 [1] LINER  
44. 5P-0892 [1] SEAL (735in.)  
45. 5P-0892 [1] SEAL (740in.)  
46. 5P-0892 [1] SEAL (405in.)  
47. [1] STRIP  
   
    AVAILABLE REPAIR KITS:
   
  220-3649 J [1] KIT-HANDLE (INCLUDES CATCH, LOCK, NUT, PLATE, & SCREWS)  
  5T-9734 J [1] KIT-FRAME PIVOT (INCLUDES TIE BARS, PINS, & HARDWARE)  
  H   ORDER BY THE METER -- USE AS REQUIRED
  J   KITS MARKED J SERVICE PART MARKED J
 

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}
Guidelines for the Use of High Efficiency Filters for the Hydraulic Oil System and for the Power Train Oil System {3000, 3004, 5050, 5068}
Guidelines for the Use of High Efficiency Filters for the Hydraulic Oil System and for the Power Train Oil System {3000, 3004, 5050, 5068}
Tool Operating Manual
Procedures for Using 9U-5971 and 173-9842 Filter Cart Group {0599, 0738, 5050, 5056, 5057, 5068, 5095, 7579}
Procedures for Using 9U-5971 and 173-9842 Filter Cart Group {0599, 0738, 5050, 5056, 5057, 5068, 5095, 7579}
188-3242 Filter Cart Group and 227-2479 Filter Cart Group{0374, 0599, 0680, 0738, 0768, 5050, 5056, 5095}
188-3242 Filter Cart Group and 227-2479 Filter Cart Group{0374, 0599, 0680, 0738, 0768, 5050, 5056, 5095}
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
A Replacement Filter Is Incorrectly Identified {5050, 5068}
2002/12/23
Optional High Efficiency Filters Are Now Available {3004, 5068}
2003/07/07
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 :

FILTER GP-OIL
3G-8152 FILTER GP-OIL
VALVE GP-AIR CONTROL
8J-8655 VALVE GP-AIR CONTROL
VALVE GP-SEQUENCE
3G-1854 VALVE GP-SEQUENCE
VALVE AS-CONTROL
4J-8500 VALVE AS-CONTROL
VALVE GP-CONTROL
8J-5920 VALVE GP-CONTROL
VALVE GP-CONTROL
8J-5920 VALVE GP-CONTROL
CONTROL GROUP, TRAILING UNIT
5T-6680 CONTROL GROUP, TRAILING UNIT
CONTROL GROUP, TRAILING UNIT
5T-6680 CONTROL GROUP, TRAILING UNIT
FILTER & TANK GP-HYDRAULIC
2G-6580 FILTER & TANK GP-HYDRAULIC
FILTER & TANK GP-HYDRAULIC
2G-6580 FILTER & TANK GP-HYDRAULIC
VALVE GP-BREAKER RELIEF
2G-8227 VALVE GP-BREAKER RELIEF
CARTRIDGE GP
3G-7656 CARTRIDGE GP
SUSPENSION GP-SEAT
6G-4330 SUSPENSION GP-SEAT
SUSPENSION GP-SEAT
6G-4330 SUSPENSION GP-SEAT
SEAT GP-SUSPENSION
8D-6903 SEAT GP-SUSPENSION
SEAT GP
6G-0150 SEAT GP

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.