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

AIR AND BRAKE CONTROL (6D9935 N/S)--Rotochamber, Valves and Lines--Part 6 of 6 Serial No. 67M4050, 4052, 4068, 4071, 4073, 4078, 4081, 4086, 4089, 4096, 4101, 4104, 4108, 4117, 4125 to 4128, 4130, 4131, 4134 and 67M4137-Up. 4F6941 Valve and 2J2184 Rotochamber parts are shown on Pages 103 and 113 631C


BRAKING SYSTEM
CONTROL GP
VALVE GP
OPERATOR STATION
HORN GP
BRAKING SYSTEM
VALVE GP
CHAMBER AS-BRAKE
VALVE GP

WHEEL TRACTOR 631C WHEEL TRACTOR 67M
 631C TRACTOR 67M00001-04580 (MACHINE) UEG0200S 631C 67M   (1969)

BRAKING SYSTEM

CONTROL GP
AIR AND BRAKE CONTROL
6D-9935 AIR AND BRAKE CONTROL
AIR AND BRAKE CONTROL
6D-9935 AIR AND BRAKE CONTROL
AIR AND BRAKE CONTROL
6D-9935 AIR AND BRAKE CONTROL
EMERGENCY BRAKE CONTROL
7D-5170 EMERGENCY BRAKE CONTROL
EMERGENCY BRAKE CONTROL
7D-5170 EMERGENCY BRAKE CONTROL
EMERGENCY BRAKE CONTROL
7D-5170 EMERGENCY BRAKE CONTROL
 

#UEG0200S0250
 

6D-9935: AIR AND BRAKE CONTROL

AIR AND BRAKE CONTROL (6D9935 N/S)--Rotochamber, Valves and Lines--Part 6 of 6
Serial No. 67M4050, 4052, 4068, 4071, 4073, 4078, 4081, 4086, 4089, 4096, 4101, 4104, 4108, 4117, 4125 to
4128, 4130, 4131, 4134 and 67M4137-Up. 4F6941 Valve and 2J2184 Rotochamber parts are shown on
Pages 103 and 113
c137245 UEG0200S
6D9935 AIR AND BRAKE CONTROL Parts scheme
  For full view, you need register

Parts for your 631C WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3D-8884 [1] ELBOW  
2. 4H-6147 C [1] UNION  
3. 7D-3024 [1] HOSE ASSEM. (126" long overall)  
4. 4J-3914 [1] UNION  
5. 5K-8451 C [2] CLIP  
6. 6D-9856 [1] HOSE ASSEM. (114" long overall)  
7. 6B-8445 [1] CONNECTOR  
8. 4S-8458 H TUBE 45.46"  
9. 9M-8406 [2] CLIP  
10. 3D-7587 [1] UNION  
11. 6D-9599 [1] HOSE ASSEM. (104" long overall)  
12. 4D-0582 [3] UNION  
13. 6J-3596 [1] HOSE ASSEM. (119" long overall)  
14. 4D-6463 [2] CLIP  
15. 0S-0509 [1] BOLT  
  3B-4506 [1] LOCKWASHER  
16. 2L-3331 [1] UNION  
17. 3F-9236 [1] CONNECTOR  
18. 0T-0102 [1] BOLT  
19. 7D-5164 [1] CLIP  
  4K-6177 [1] CLIP  
20. 1A-9136 [6] BOLT  
  3B-4505 [6] LOCKWASHER  
21. 4F-6941 Y [2] VALVE ASSEM.  
    (See Separate Illustration)
22. 6B-5072 [1] BUSHING  
23. 5H-4778 C [1] UNION  
24. 6D-9853 C [1] HOSE ASSEM. (10" long overall)  
25. 1D-4720 [6] NUT  
  3B-4510 [6] LOCKWASHER  
26. 6D-8311 [1] BRACKET  
  6D-8312 [1] BRACKET  
27. 2J-2184 Y [2] ROTOCHAMBER  
    (See Separate Illustration)
28. 3L-7055 [2] UNION  
29. 7D-6105 [2] HOSE ASSEM. (15.30" long overall)  
30. 0S-1594 C [1] BOLT  
  1D-4717 C [1] NUT  
  4B-4278 C [1] WASHER  
31. 3B-4506 C [2] LOCKWASHER  
  H   ORDER BY THE FOOT
  Y   SEPARATE ILLUSTRATION
  C   INDICATES CHANGE
 

#UEG0200S0251
 

5D-3640: BRAKE VALVE ASSEMBLY

5D3640 BRAKE VALVE ASSEMBLY
Part of Air and Brake Control shown on Pages 104B, 106B & 108B
c105971 UEG0200S
5D3640 BRAKE VALVE ASSEMBLY Parts scheme
  For full view, you need register

Parts for your 631C WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  6D-9766 C [1] TREADLE ASSEM.  
  3B-4609 [1] COTTER PIN  
  2D-6006 [1] PIN  
  6D-9636 C [1] SCREW  
  5D-3635 [1] NUT  
  4D-2287 Y [1] VALVE ASSEM.  
    (SEE SEPARATE ILLUSTRATION)
  7B-9323 [1] PIN  
  3B-4607 [1] COTTER PIN  
  5D-3426 [1] ROLLER  
  8F-0230 [1] BUSHING  
    (PARTS OF TREADLE ASSEM. 6D9766)
  4D-2307 [1] PLUNGER  
  5D-3636 [1] BOOT  
  1B-7182 [3] BOLT  
  3B-4505 [3] LOCKWASHER  
  4D-2306 [1] PLATE  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#UEG0200S0252
 

4D-2287: VALVE AS

4D2287 VALVE ASSEMBLY
Part of 5D3640 Brake Valve Assembly
c205860 UEG0200S
4D2287 VALVE AS 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-2289 [1] VALVE AS  
  4D-2295 [1] VALVE  
2. 1S-3612 [1] RETAINER-VALVE  
3. 4D-2298 [1] SPRING  
4. 5D-9702 [1] SEAT  
5. 4D-2292 [1] DIAPHRAGM  
6. 5D-8412 [1] SCREW-ROUND HEAD  
  4D-2293 [1] WASHER  
7. 5M-2057 [1] SEAL-O-RING  
8. 4D-2297 [1] SEAL  
9. 4D-2291 [1] SPRING  
10. 004-1683 [1] RING-SNAP  
11. 4D-2634 [1] SPRING  
12. 5D-0767 [1] PISTON AS  
13. 5D-0768 [1] SPRING (RUBBER)  
14. 4D-2302 [1] SEAT  
15. 031-0215 [1] BOLT-SELF LOCKING  
  4D-2303 [1] WASHER  
16. 7F-8268 [1] SEAL-O-RING  
17. 4D-2305 [1] RETAINER  
 

#UEG0200S0253
 

3D-9943: VALVE AS-HORN

3D9943 HORN VALVE
Part of 6D9935 Air and Brake Control Group shown on
Pages 104, 106, 108, 109A and 109G
c96433 UEG0200S
3D9943 VALVE AS-HORN Parts scheme
  For full view, you need register

Parts for your 631C WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  4D-1136 [1] BUTTON  
  3B-4609 [1] COTTER PIN  
  [1] BODY  
  4D-1137 [1] STEM  
  4D-1138 [1] VALVE  
  4D-1135 [1] SEAT  
  4D-1133 [1] SPRING  
  9F-5255 [1] STRAINER  
  4D-1134 [1] CAP  
 

#UEG0200S0254
 

5D-6998: HORN GP-AIR

5D6998 AIR HORN ASSEMBLY
Part of 6D9935 Air and Brake Control Group shown on
Pages 104, 106, 108, 109A and 109G
c210113 UEG0200S
5D6998 HORN GP-AIR Parts scheme
  For full view, you need register

Parts for your 631C WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5D-6994 [1] PROJECTOR (LH)  
2. 5D-6993 [1] PROJECTOR (RH)  
3. 5D-6997 [1] PAD  
4. 4B-5275 [1] WASHER-SCREW  
5. 5D-6996 [1] ADAPTER  
6. 9S-1354 [1] NUT  
7. 6F-0253 [1] LOCKWASHER  
8. [2] COVER  
   
    THE FOLLOWING REPAIR
    KIT IS AVAILABLE:
  2G-6664 [2] KIT-DIAPHRAGM (AIR HORN) (HORN)  
    (EACH INCLUDES DIAPHRAGM,
    SEAL, DECAL, SCREWS,
    NUTS, GASKET, & INSTRUCTION SHEET)
 

#UEG0200S0255
 

4D-1669: VALVE ASSEMBLY

4D1669 VALVE ASSEMBLY
Part of Air and Brake Control shown on Pages 104A, 106A and 108A
c103425 UEG0200S
4D1669 VALVE ASSEMBLY Parts scheme
  For full view, you need register

Parts for your 631C WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  2D-6390 [2] GASKET  
  4D-1686 [1] HANDLE  
  4B-1254 [8] SCREW  
  3B-4504 [8] LOCKWASHER  
  2D-6389 [2] PLATE  
  2D-6392 [2] SEAL  
  2D-6391 [2] PLUNGER  
  2D-6393 [1] BODY  
  2D-6406 [1] PIN  
  5F-1678 [1] SEAL  
  2D-6398 [1] RING  
  2D-6401 [1] WASHER  
  2D-6396 [1] ACTUATOR ASSEM.  
  2D-6403 [1] PIN  
    (PART OF ACTUATOR ASSEM. 2D6396)
  2D-6405 [2] SPRING  
  2D-6404 [2] VALVE  
  2D-6395 [1] PLUNGER  
  6F-5559 [2] SEAL  
 

#UEG0200S0256
 

6D-0856: VALVE AS

6D856 VALVE ASSEMBLY
Part of Air and Brake Control shown on Pages 104C, 106C and 108C
c201268 UEG0200S
6D0856 VALVE AS Parts scheme
  For full view, you need register

Parts for your 631C WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2D-5986 [1] BOOT  
2. 4J-8528 [1] NUT  
3. 2D-6392 [1] SEAL-O-RING  
4. 9D-1289 C [1] VALVE  
5. 8F-3469 [1] SEAL  
6. 7D-9949 [1] VALVE AS  
7. 1H-1023 [1] SEAL-O-RING  
8. 5D-1246 [2] WASHER  
9. 2H-3923 [1] LOCKWASHER  
10. 4J-3957 [1] SPRING  
  C   CHANGE FROM PREVIOUS TYPE
 

#UEG0200S0257
 

2J-2184: ROTOCHAMBER AS

2J2184 ROTOCHAMBER
Part of 6D9935 Air and Brake Control Group shown on Pages 105, 107 and 109
c163533 UEG0200S
2J2184 ROTOCHAMBER AS Parts scheme
  For full view, you need register

Parts for your 631C WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  7D-3754 [1] SPRING (OUTER)  
  7D-3753 [1] SPRING (INNER)  
  7D-2346 [2] GUIDE  
  9F-0027 [1] ROD  
  8F-7280 [1] CLAMP  
  8F-7279 [1] CLAMP  
  8F-7277 [1] BODY  
  1B-4202 [8] NUT (fine thread)  
    -OR-
  1D-4716 C [8] NUT (coarse thread)  
  3B-4505 [8] LOCKWASHER  
  1B-4207 [2] NUT  
  1B-4207 [1] NUT  
  3B-4512 [2] LOCKWASHER  
  8F-7288 [2] STUD  
  6F-6062 [1] YOKE ASSEM.  
    (Includes)
  8F-7263 [1] PIN (2.42"LONG)  
  3B-4624 [1] COTTER PIN  
  8F-7372 [1] BODY  
  8F-7289 [1] BOOT  
  8F-7285 [1] COVER  
  1B-4201 [8] NUT (fine thread)  
    -OR-
  1B-4330 C [8] NUT (coarse thread)  
  3B-4504 [8] LOCKWASHER  
  8F-7281 [1] GUIDE  
  8F-7278 [1] DIAPHRAGM  
  0T-0642 [8] BOLT  
  9F-5644 [8] LOCKWASHER  
  C   INDICATES CHANGE
 

#UEG0200S0258
 

6D-1039: VALVE AS

6D1039 VALVE ASSEMBLY
Part of 6D9935 Air and Brake Control Group shown on Pages 104C, 106C and 108C
c213422 UEG0200S
6D1039 VALVE AS Parts scheme
  For full view, you need register

Parts for your 631C WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6F-6672 [1] SEAL-O-RING  
2. 8F-7219 [1] SEAL-O-RING  
3. 9D-1289 C [1] VALVE  
4. 8F-3469 [1] SEAL  
5. 3P-0859 C [1] SPRING  
  C   CHANGE FROM PREVIOUS TYPE
 

#UEG0200S0259
 

4D-0487: VALVE AS-CHECK

4D487 Valve Assembly
Part of 7D5170 Emergency Brake Control Group shown on
Pages 116A, 116C and 117
c103712 UEG0200S
4D0487 VALVE AS-CHECK Parts scheme
  For full view, you need register

Parts for your 631C WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. Z [1] BODY  
2. 4D-1178 [1] SEAT  
3. 4D-1179 [1] VALVE  
4. 3K-5670 [1] SPRING  
5. Z [1] CAP  
  Z   NOT SERVICED SEPARATELY
 

Information:

Reuse And Salvage Guidelines
Final Drive Steering System, Wheel Braking System, and Wheels & Tires Salvage and Reuse Manual Contents {4000, 4050, 4100, 4250, 4300}
Final Drive Steering System, Wheel Braking System, and Wheels & Tires Salvage and Reuse Manual Contents {4000, 4050, 4100, 4250, 4300}
Service Magazine
Color Coded Dust Caps for S·O·S Ports Will Be Available {7770}
2003/12/01

Caterpillar Parts SIS Catalog 631C :

AIR AND BRAKE CONTROL
6D-9935 AIR AND BRAKE CONTROL
AIR AND BRAKE CONTROL
6D-9935 AIR AND BRAKE CONTROL
AIR AND BRAKE CONTROL
6D-9935 AIR AND BRAKE CONTROL
AIR AND BRAKE CONTROL
6D-9935 AIR AND BRAKE CONTROL
AIR AND BRAKE CONTROL
6D-9935 AIR AND BRAKE CONTROL
AIR AND BRAKE CONTROL
6D-9935 AIR AND BRAKE CONTROL
AIR AND BRAKE CONTROL
6D-9935 AIR AND BRAKE CONTROL
AIR AND BRAKE CONTROL
6D-9935 AIR AND BRAKE CONTROL
BRAKE VALVE ASSEMBLY
5D-3640 BRAKE VALVE ASSEMBLY
VALVE AS
4D-2287 VALVE AS
VALVE AS-HORN
3D-9943 VALVE AS-HORN
HORN GP-AIR
5D-6998 HORN GP-AIR
VALVE ASSEMBLY
4D-1669 VALVE ASSEMBLY
VALVE AS
6D-0856 VALVE AS
ROTOCHAMBER AS
2J-2184 ROTOCHAMBER AS
VALVE AS
6D-1039 VALVE AS

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
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.