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AIR LINES (8S5078 N/S) 631C WHEEL TRACTOR


AIR INLET AND EXHAUST SYSTEM
LINES GP-AIR
MUFFLER GP
MANIFOLD GP-EXHAUST
EXHAUST GP
ELECTRICAL AND STARTING SYSTEM
WIRING GP
BATTERY GP

WHEEL TRACTOR 631C WHEEL TRACTOR 67M
 631C TRACTOR 67M04581-UP (MACHINE) SEBP1024 631C 67M   (1969)

AIR INLET AND EXHAUST SYSTEM

LINES GP-AIR
LINES GP-AIR
8S-5078 LINES GP-AIR
 

#SEBP10240110
 

8S-5078: LINES GP-AIR

AIR LINES (8S5078 N/S)
c205127 SEBP1024
8S5078 LINES GP-AIR Parts scheme
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Parts for your 631C WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9S-2593 [1] ELBOW  
2. 8S-4187 [1] GASKET  
3. 9S-2595 [1] ADAPTER  
4. 0V-0375 [4] BOLT  
5. 4B-4280 [4] WASHER  
6. 3B-4508 [4] LOCKWASHER  
7. 2M-5173 [2] SEAL  
8. 9S-2594 [1] SUPPORT  
9. 0L-2070 [1] BOLT  
  3K-0925 [1] WASHER  
10. 3B-4506 [11] LOCKWASHER  
11. 3L-3825 [1] SPACER  
12. 4L-8337 [2] SEAL  
13. 5P-3860 C [2] CLAMP  
14. 0S-1588 [4] BOLT  
15. 3B-1915 [4] BOLT  
16. 9S-2588 [1] ELBOW  
  7M-1674 [1] ELEMENT  
17. 9S-2592 [1] HOSE  
18. 1S-9306 [1] COVER  
  1H-9027 [1] GASKET  
19. 0S-1594 [2] BOLT  
  C   INDICATES CHANGE
 

#SEBP10240111
 

9S-7998: MUFFLER

MUFFLER (9S7998 N/S)
c142388 SEBP1024
9S7998 MUFFLER Parts scheme
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Parts for your 631C WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8S-7261 [1] EXTENSION  
2. 8S-1460 [1] CLAMP  
3. 0S-1587 [2] BOLT  
  1B-5357 [2] NUT  
4. 9S-7787 [1] MUFFLER ASSEM.  
5. 6F-7012 [2] STUD  
6. 1B-5355 [2] NUT  
7. 9S-7973 [1] TUBE ASSEM.  
8. 5H-7292 C [1] CLAMP  
  C   INDICATES CHANGE
 

#SEBP10240112
 

9S-3027: MANIFOLD GP

MANIFOLDS (9S3027 N/S)
c108223 SEBP1024
9S3027 MANIFOLD GP Parts scheme
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Parts for your 631C WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9S-7509 [1] ELBOW ASSEM.  
2. 2M-1538 [4] STUD  
    (Part of 9S7509 Assem.)
3. 4S-8855 [1] COUPLING  
4. 5L-8854 [2] RING  
5. 9S-2585 [1] MANIFOLD ASSEM. (Center)  
6. 8M-1659 [1] STUD  
    (Part of 9S2585 Assem.)
7. 7M-7140 [1] MANIFOLD (Front)  
8. 1B-5357 [18] NUT  
9. 2M-6203 [6] GASKET  
10. 9S-3034 [1] GASKET  
11. 8M-2295 [4] BOLT  
  8M-2296 [4] NUT  
12. 9M-1887 [1] MANIFOLD (Rear)  
 

#SEBP10240113
 

1P-0430: BYPASS GP-EXHAUST

EXHAUST BY-PASS (1P430 N/S)
c205140 SEBP1024
1P0430 BYPASS GP-EXHAUST Parts scheme
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Parts for your 631C WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4B-0418 [2] CLIP  
2. 8M-2665 [1] BREATHER ASSEM.  
3. 1P-0666 Y [1] REGULATOR GROUP  
    (See Separate Illustration)
4. 1B-5355 [4] NUT  
  1S-7876 [2] LOCK  
5. 4S-7914 [1] GASKET  
6. 7K-0498 [1] FITTING  
7. 5K-9244 [1] FITTING  
8. 4N-3749 C [1] TUBE ASSEM. (High Pressure)  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#SEBP10240114
 

1P-0666: REGULATOR GROUP

1P666 REGULATOR GROUP
Part of Exhaust By-Pass
c203496 SEBP1024
1P0666 REGULATOR GROUP Parts scheme
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Parts for your 631C WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1P-0664 [1] VALVE  
2. 1P-0665 [1] BASE ASSEM.  
3. 1P-0659 [1] WASHER  
4. 1P-4963 [5] MACHINE SCREW  
  1L-4789 [5] LOCKWASHER  
5. 1P-9897 [1] SLEEVE  
6. 7S-7816 [1] NUT  
7. 4N-4652 C [1] COVER ASSEM.  
8. 2S-4656 [1] SHIM .040 in. (1.02mm) thick  
  1P-0660 [1] SHIM .060 in. (1.52mm) thick  
9. 6N-1174 C [1] SPRING (inner)  
10. 1P-0661 [1] SPRING (outer)  
11. 3S-5849 [2] GASKET  
12. 3S-6228 [1] DIAPHRAGM  
13. 7S-7814 [1] PLATE  
14. 7S-7815 [1] RETAINER  
  C   INDICATES CHANGE
 

#SEBP10240115
 

WIRING DIAGRAM

WIRING DIAGRAM--24 Volt System
SEBP10240115 SEBP1024
None WIRING DIAGRAM Parts scheme
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Parts for your 631C WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
 

#SEBP10240116
 

7D-1620: BATTERY, WIRING AND LIGHTING GROUP

7D1620 BATTERY, WIRING AND LIGHTING GROUP--24 Volt--Part 1 of 2
Serial No. 67M4581 to 67M5743 inclusive
1M3379 and 5S5147' Lamp parts are shown on Page 100
See Page 95 for Wiring Diagram
c205846 SEBP1024
7D1620 BATTERY, WIRING AND LIGHTING GROUP Parts scheme
  For full view, you need register

Parts for your 631C WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7D-1599 [1] HARNESS ASSEM.  
2. 7F-9224 [6] TERMINAL (3 Pink & 3 Dk. Green)  
3. 2D-3981 [6] INSULATOR  
    (Parts of 7D1599 Assem.)
4. 1H-5166 [6] CLIP  
5. 5S-5147 Y [2] LAMP ASSEM.  
    (See Separate Illustration)
6. 5D-3183 [4] NUT  
  6D-2256 [4] SPACER  
  5D-3184 [4] LOCKWASHER  
7. 3D-7854 [4] SPACER  
8. 1M-3379 Y [2] LAMP ASSEM.  
    (See Separate Illustration)
9. 6D-7599 [2] BRACKET ASSEM.  
10. 2D-2751 [2] GROMMET  
11. 0S-0509 [8] BOLT  
12. 3B-4506 [9] LOCKWASHER  
13. 4D-5882 [1] CABLE ASSEM.  
14. 5M-9205 [1] TERMINAL ASSEM. (-)  
15. 5M-9204 [1] TERMINAL ASSEM. (+)  
    (Parts of 4D5882 Assem.)
16. 1M-6119 [2] BOLT  
  1M-6120 [2] NUT  
    (1 each in 5M9204 & 5M9205 Assem.)
17. 4B-4278 [6] WASHER  
18. 6D-0058 [2] HOLDDOWN  
19. 4D-3502 [1] HOLDDOWN  
20. 3D-2367 [2] ROD  
  1D-4719 [4] NUT  
  3B-4508 [2] LOCKWASHER  
  1B-3310 [2] WASHER  
21. 4S-9219 [2] BATTERY  
22. 5S-8405 [12] PLUG  
    (6 in each 4S9219 Battery)
23. 4H-2558 [2] GROMMET  
24. 5D-8582 [1] PLATE  
  0S-1588 [1] BOLT  
25. 1H-5167 [2] CLIP  
26. 4D-6434 [1] CLIP  
27. 4K-4138 [1] CABLE ASSEM.  
28. 2M-0912 [1] TERMINAL (starter)  
29. 3D-2098 [1] TERMINAL ASSEM. (+)  
30. 2D-1432 [1] CABLE ASSEM.  
  2M-0913 [1] TERMINAL (disconnect)  
31. 5M-9205 [1] TERMINAL ASSEM. (-)  
32. 1M-6119 [2] BOLT  
  1M-6120 [2] NUT  
    (1 each in 3D2098 & 5M9205 Assem.)
33. 5K-8451 [2] CLIP  
34. 2P-9081 C [1] WIRE ASSEM.  
  5P-0616 H WIRE 2.10 dm(8.25 in)  
  6B-2759 TERMINAL .41 in. (1.03 cm) hole  
  2L-8066 TERMINAL (no. 10 screw)  
35. 2P-9082 C [1] WIRE ASSEM.  
  5P-0616 H WIRE 1.59 dm(6.25 in.)  
  6B-2759 TERMINAL .41 in. (1.03 cm) hole  
  2L-8071 TERMINAL .50 in. (1.27 cm) screw  
36. 2A-0762 C [2] BOLT  
  3B-4504 [2] LOCKWASHER  
37. 2P-9025 C [1] BRACKET ASSEM.  
  9F-6445 [2] NUT (weld)  
  Y   SEPARATE ILLUSTRATION
 

#SEBP10240117
 

7D-1620: BATTERY, WIRING AND LIGHTING GROUP

7D1620 BATTERY, WIRING AND LIGHTING GROUP--24 Volt--Part 2 of 2
Serial No. 67M4581 to 67M5743 inclusive
8D9888 Harness, 7H7290 Switch and 1M3387 Lamp parts are shown on Pages 98 & 99
See Page 95 for Wiring Diagram
c205847 SEBP1024
7D1620 BATTERY, WIRING AND LIGHTING GROUP Parts scheme
  For full view, you need register

Parts for your 631C WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4D-6066 [1] STRIP  
  4B-1232 [4] SCREW  
2. 3B-4502 [8] LOCKWASHER  
3. 1M-3387 Y [2] LAMP ASSEM.  
    (See Separate Illustration)
  6F-7047 [2] WASHER  
4. 7S-6402 [1] SWITCH ASSEM. (Three Position)  
  7S-5432 [1] KNOB (Part of 7S6402 Assem.)  
  4D-4811 [1] PLATE  
5. 9S-0174 [1] CIRCUIT BREAKER  
  5L-4507 [2] SCREW  
6. 1H-5166 [1] CLIP  
7. 9M-8406 C [2] CLIP  
8. 8S-7713 [1] SWITCH ASSEM. (Heat Start)  
  8F-3437 [1] LEVER  
  5L-7200 [1] SCREW  
  3B-4501 [1] LOCKWASHER  
  1M-3363 [1] PLATE (Instruction)  
9. 7D-3651 [1] WIRE ASSEM.  
10. 9F-5320 [1] TERMINAL (Glow Plug)  
  9F-9353 [1] TERMINAL (Magnetic Switch)  
11. 0S-1614 C [4] BOLT  
12. 3B-4504 [6] LOCKWASHER  
13. 3D-9718 [1] SWITCH (push)  
14. 7D-3838 [1] TUBE  
15. 4D-9424 [2] CLIP  
16. 8D-9328 [1] GROMMET  
17. 2P-9974 [1] PLATE  
18. 8D-8581 [1] WIRE ASSEM.  
  5P-0497 CH WIRE 2.54 dm(10 in.)  
19. 7F-9224 [2] TERMINAL  
20. 4B-1320 [2] SCREW  
21. 2H-1855 [1] SWITCH (dimmer)  
22. 9F-3099 C [2] SWITCH (magnetic)  
23. 4F-2294 [2] NUT  
  3L-6789 [2] LOCKWASHER  
  8F-0908 [2] WASHER  
24. 4B-2043 [2] NUT  
  3B-4501 [2] LOCKWASHER  
25. 8D-9888 Y [1] HARNESS ASSEM.  
    (Separate Illustration)
26. 3D-5291 [1] CABLE ASSEM.  
27. 2M-0912 [1] TERMINAL (disconnect switch)  
28. 2M-0913 [1] TERMINAL (motor)  
29. 7H-7290 Y [1] SWITCH ASSEM. (disconnect)  
    (Separate Illustration)
  8H-8648 [1] PLATE  
30. 4H-8310 C [2] STRIP  
31. 4B-1239 [2] SCREW  
  4B-2048 [4] NUT  
  4B-4275 [2] WASHER  
32. 4B-1258 [2] SCREW  
33. 1B-7904 [2] SPACER  
34. 7B-3989 [1] STRIP  
35. 3L-1454 [1] WIRE ASSEM.  
  5P-0497 CH WIRE .76 dm(3 in.)  
36. 2L-8076 [2] TERMINAL  
37. 6D-6058 [1] WIRE ASSEM.  
  5P-0497 CH WIRE 4.57 dm(18 in.)  
38. 7F-9224 [2] TERMINAL  
39. 0S-0509 [3] BOLT  
40. 3B-4506 [3] LOCKWASHER  
41. 8M-2772 C [1] CLIP  
  H   ORDER BY THE DECIMETRE
  Y   SEPARATE ILLUSTRATION
  C   INDICATES CHANGE
 

#SEBP10240118
 

7D-1620: BATTERY WIRING AND LIGHTING GROUP

7D1620 BATTERY, WIRING AND LIGHTING GROUP--24 Volt--Part 1 of 2
Serial No. 67M5744-Up
5S5147 Lamp parts are shown on Page 100
See Page 95 for Wiring Diagram
c156027 SEBP1024
7D1620 BATTERY WIRING AND LIGHTING GROUP Parts scheme
  For full view, you need register

Parts for your 631C WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7D-1599 [1] HARNESS ASSEM.  
2. 7F-9224 [6] TERMINAL (3 Pink & 3 Dk. Green)  
3. 2D-3981 [6] INSULATOR  
    (Parts of 7D1599 Assem.)
4. 1H-5166 [6] CLIP  
5. 5S-5147 YC [4] LAMP ASSEM.  
    (Separate Illustration)
6. 5D-3183 [4] NUT  
  6D-2256 [4] SPACER  
  5D-3184 [4] LOCKWASHER  
7. 3D-7854 [4] SPACER  
9. 6D-7599 [2] BRACKET ASSEM.  
10. 2D-2751 [2] GROMMET  
11. 0S-0509 [8] BOLT  
12. 3B-4506 [9] LOCKWASHER  
13. 4D-5882 [1] CABLE ASSEM.  
14. 5M-9205 [1] TERMINAL ASSEM. (-)  
15. 5M-9204 [1] TERMINAL ASSEM. (+)  
    (Parts of 4D5882 Assem.)
16. 1M-6119 [2] BOLT  
  1M-6120 [2] NUT  
    (1 each in 5M9204 & 5M9205 Assem.)
17. 4B-4278 [6] WASHER  
18. 6D-0058 [2] HOLDDOWN  
19. 4D-3502 [1] HOLDDOWN  
20. 3D-2367 [2] ROD  
  1D-4719 [4] NUT  
  3B-4508 [2] LOCKWASHER  
  1B-3310 [2] WASHER  
21. 4S-9219 [2] BATTERY  
22. 5S-8405 [12] PLUG  
    (6 in each 4S9219 Battery)
23. 4H-2558 [2] GROMMET  
24. 5D-8582 [1] PLATE  
  0S-1588 [1] BOLT  
25. 1H-5167 [2] CLIP  
26. 4D-6434 [1] CLIP  
27. 4K-4138 [1] CABLE ASSEM.  
28. 2M-0912 [1] TERMINAL (starter)  
29. 3D-2098 [1] TERMINAL ASSEM. (+)  
30. 2D-1432 [1] CABLE ASSEM.  
  2M-0913 [1] TERMINAL (disconnect)  
31. 5M-9205 [1] TERMINAL ASSEM. (-)  
32. 1M-6119 [2] BOLT  
  1M-6120 [2] NUT  
    (1 each in 3D2098 & 5M9205 Assem.)
33. 5K-8451 [2] CLIP  
34. 2P-9081 [1] WIRE ASSEM.  
  5P-0616 H WIRE 2.10 dm(8.25 in.)  
  6B-2759 TERMINAL 41 in. (1.03 cm) hole  
  2L-8066 TERMINAL (no. 10 screw)  
35. 2P-9082 [1] WIRE ASSEM.  
  5P-0616 H WIRE 1.59 dm(6.25 in.)  
  6B-2759 TERMINAL 41 in. (1.03 cm) hole  
  2L-8071 TERMINAL .50 in. (1.27 cm) screw  
36. 2A-0762 [2] BOLT  
  3B-4504 [2] LOCKWASHER  
37. 2P-9025 [1] BRACKET ASSEM.  
  9F-6445 [2] NUT (weld)  
  H   ORDER BY THE DECIMETRE
  Y   SEPARATE ILLUSTRATION
  C   INDICATES CHANGE
 

#SEBP10240119
 

7D-1620: BATTERY WIRING AND LIGHTING GROUP

7D1620 BATTERY, WIRING AND LIGHTING GROUP--24 Volt--Part 2 of 2
Serial No. 67M5744-Up
8D9888 Harness, 7H7290 Switch, 1M3387 Lamp parts are shown on Pages 98 and 99
See Page 95 for Wiring diagram
c156106 SEBP1024
7D1620 BATTERY WIRING AND LIGHTING GROUP Parts scheme
  For full view, you need register

Parts for your 631C WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4D-6066 [1] STRIP  
  4B-1232 [4] SCREW  
2. 3B-4502 [8] LOCKWASHER  
3. 1M-3387 Y [2] LAMP ASSEM.  
    (Separate Illustration)
  6F-7047 [2] WASHER  
4. 7S-6402 [1] SWITCH ASSEM. (three position)  
  7S-5432 [1] KNOB  
  4D-4811 [1] PLATE  
5. 9S-0174 [1] CIRCUIT BREAKER  
  5L-4507 [2] SCREW  
6. 1H-5166 [1] CLIP  
7. 9M-8406 [2] CLIP  
8. 8S-7713 [1] SWITCH ASSEM. (Heat Start)  
  8F-3437 [1] LEVER  
  5L-7200 [1] SCREW  
  3B-4501 [1] LOCKWASHER  
  1M-3363 [1] PLATE (Instruction)  
9. 7D-3651 [1] WIRE ASSEM.  
10. 9F-5320 [1] TERMINAL (Glow Plug)  
  9F-9353 [1] TERMINAL (Magnetic Switch)  
11. 0S-1614 [4] BOLT  
12. 3B-4504 [6] LOCKWASHER  
13. 3D-9718 [1] SWITCH (push)  
14. 7D-3838 [1] TUBE  
15. 4D-9424 [2] CLIP  
16. 8D-9328 [1] GROMMET  
17. 2P-9974 [1] PLATE  
18. 8D-8581 [1] WIRE ASSEM.  
  5P-0497 H WIRE 2.54 dm(10 in.)  
19. 7F-9224 [2] TERMINAL  
20. 4B-1320 [2] SCREW  
21. 2H-1855 [1] SWITCH (dimmer)  
22. 9F-3099 [2] SWITCH (magnetic)  
23. 4F-2294 [2] NUT  
  3L-6789 [2] LOCKWASHER  
  8F-0908 [2] WASHER  
24. 4B-2043 [2] NUT  
  3B-4501 [2] LOCKWASHER  
25. 8D-9888 Y [1] HARNESS ASSEM.  
    (Separate Illustration)
26. 3D-5291 [1] CABLE ASSEM.  
27. 2M-0912 [1] TERMINAL (disconnect switch)  
28. 2M-0913 [1] TERMINAL (motor)  
29. 7H-7290 Y [1] SWITCH ASSEM. (disconnect)  
    (Separate Illustration)
  8H-8648 [1] PLATE  
30. 4H-8310 [2] STRIP  
31. 4B-1239 [2] SCREW  
  4B-2048 [4] NUT  
  4B-4275 [2] WASHER  
32. 4B-1258 [2] SCREW  
33. 1B-7904 [2] SPACER  
34. 7B-3989 [1] STRIP  
35. 3L-1454 [1] WIRE ASSEM.  
  5P-0497 H WIRE .76 dm(3 in.)  
36. 2L-8076 [2] TERMINAL  
37. 6D-6058 [1] WIRE ASSEM.  
  5P-0497 H WIRE 4.75 dm(18 in.)  
38. 7F-9224 [2] TERMINAL  
39. 0S-0509 [3] BOLT  
40. 3B-4506 [3] LOCKWASHER  
41. 8M-2772 [1] CLIP  
  H   ORDER BY THE DECIMETRE
  Y   SEPARATE ILLUSTRATION
 

Information:

Caterpillar Parts SIS Catalog 631C :

TURBOCHARGER GROUP
8S-5464 TURBOCHARGER GROUP
TURBOCHARGER ASSEMBLY
8S-6548 TURBOCHARGER ASSEMBLY
AIR CLEANER
6D-9400 AIR CLEANER
AIR CLEANER ASSEMBLY
9S-2598 AIR CLEANER ASSEMBLY
DRIVE GP-AIR COMPRESSOR
9S-0700 DRIVE GP-AIR COMPRESSOR
AIR COMPRESSOR GP
1P-5013 AIR COMPRESSOR GP
AIR COMPRESSOR GP
1P-5013 AIR COMPRESSOR GP
AIR COMPRESSOR GP
7S-8404 AIR COMPRESSOR GP
MUFFLER
9S-7998 MUFFLER
MANIFOLD GP
9S-3027 MANIFOLD GP
BYPASS GP-EXHAUST
1P-0430 BYPASS GP-EXHAUST
REGULATOR GROUP
1P-0666 REGULATOR GROUP
WIRING DIAGRAM
WIRING DIAGRAM
BATTERY, WIRING AND LIGHTING GROUP
7D-1620 BATTERY, WIRING AND LIGHTING GROUP
BATTERY, WIRING AND LIGHTING GROUP
7D-1620 BATTERY, WIRING AND LIGHTING GROUP
BATTERY WIRING AND LIGHTING GROUP
7D-1620 BATTERY WIRING AND LIGHTING GROUP

Truck sale:

Caterpillar 631C, Construction
17,500 
Caterpillar 631C, Construction
- Scrapers
MICHIGAN CAT
1971 CAT 631C
USD $17,500 
1971 CAT 631C

Michigan CAT
Novi, Michigan
CATERPILLAR 631C 1971
 
CATERPILLAR 631C 1971
- WHEEL TRACTOR SCRAPERS
MICHIGAN CAT
US (Mid, North), Canada, ON West: John Kinney; US (NE, SE, SW), Canada QU East, AUS: Bill Dowd;
1971 CAT 631C
USD $15,500 
1971 CAT 631C

NEW COVENANT EQUIP CO
North Carolina
1970 CAT 631C
USD $15,500 
1970 CAT 631C

NEW COVENANT EQUIP CO
North Carolina
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