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REAR HYDRAULIC WHEEL BRAKE (6D2740 N/S) 12F MOTOR GRADER




BRAKING SYSTEM

BRAKE GP
 

#UEG0718S0080
 

6D-2740: REAR HYDRAULIC WHEEL BRAKE

REAR HYDRAULIC WHEEL BRAKE (6D2740 N/S)
c96724 UEG0718S
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Parts for your 12F MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5D-8415 [2] BRAKE ASSEM. (Right Hand)  
  5D-8416 Y [2] BRAKE ASSEM. (Left Hand)  
    (See Separate Illustration)
2. 2D-1345 [4] DRUM  
3. 1A-1135 [32] BOLT  
  3B-4510 [32] LOCKWASHER  
4. 4D-1726 [72] BOLT  
  4D-6433 [72] WASHER  
  Y   SEPARATE ILLUSTRATION
 

#UEG0718S0081
 

5D-8415: BRAKE ASSEMBLY--R.H.,BRAKE ASSEMBLY--L.H.

5D8415 BRAKE ASSEMBLY--R.H.--2 Required
5D8416 BRAKE ASSEMBLY--L.H.--2 Required
Part of Rear Hydraulic Wheel Brake
c102372 UEG0718S
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Parts for your 12F MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6D-0539 [1] CYLINDER ASSEM.  
    (Right Hand Upper-Left Hand Upper)
2. 6D-0547 [2] COVER  
3. 6D-0551 [2] SPRING  
4. 6D-0552 R [2] SHOE AND LINING ASSEM.  
5. 6D-0535 [1] CYLINDER ASSEM.  
    (Right Hand Lower)
  6D-0536 [1] CYLINDER ASSEM.  
    (Left Hand Lower)
6. 6D-0557 [1] SCREW  
    (Part of 6D535 and 6D536 Cylinder Assem.)
7. 6D-0537 [1] PLATE ASSEM. (Right Hand)  
  6D-0538 [1] PLATE ASSEM. (Left Hand)  
8. 6D-0541 [2] SUPPORT ASSEM. (Right Hand)  
    (Part of 6D537 Plate Assem.)
9. 6D-0543 [2] SCREW  
10. 6D-0545 [2] WHEEL  
11. 6D-0546 [2] SPRING  
12. 1H-3329 [2] SCREW ASSEM.  
    (1 each in 6D541 Support Assem.)
13. 6D-7450 [2] PIN  
14. 6D-0542 [2] SUPPORT ASSEM. (Left Hand)  
    (Part of 6D538 Plate Assem.)
15. 6D-0544 [2] SCREW  
10. 6D-0545 [2] WHEEL  
11. 6D-0546 [2] SPRING  
12. 1H-3329 [2] SCREW ASSEM.  
    (1 each in 6D542 Support Assem.)
16. 6D-0548 [1] TUBE ASSEM.  
17. 6D-0549 [2] SPRING  
18. 2H-3755 [4] BOLT  
  3B-4505 [4] LOCKWASHER  
    THE FOLLOWING REPAIR KITS ARE AVAILABLE:
  6D-0554 [1] BRAKE LINING KIT  
    (Consists of a complete set of linings and rivets for one wheel)
  6D-0553 [1] GUIDE BOLT KIT  
    (Includes cotter pins; bolts, washers and castle nuts for one wheel)
  6D-0556 [1] WHEEL CYLINDER KIT  
    (Includes spring assembly, cups and boots for one cylinder)
  R   REMFG PART MAY BE AVAILABLE
 

#UEG0718S0082
 

5D-8416: BRAKE ASSEMBLY--R.H.,BRAKE ASSEMBLY--L.H.

5D8415 BRAKE ASSEMBLY--R.H.--2 Required
5D8416 BRAKE ASSEMBLY--L.H.--2 Required
Part of Rear Hydraulic Wheel Brake
c102372 UEG0718S
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Parts for your 12F MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6D-0539 [1] CYLINDER ASSEM.  
    (Right Hand Upper-Left Hand Upper)
2. 6D-0547 [2] COVER  
3. 6D-0551 [2] SPRING  
4. 6D-0552 R [2] SHOE AND LINING ASSEM.  
5. 6D-0535 [1] CYLINDER ASSEM.  
    (Right Hand Lower)
  6D-0536 [1] CYLINDER ASSEM.  
    (Left Hand Lower)
6. 6D-0557 [1] SCREW  
    (Part of 6D535 and 6D536 Cylinder Assem.)
7. 6D-0537 [1] PLATE ASSEM. (Right Hand)  
  6D-0538 [1] PLATE ASSEM. (Left Hand)  
8. 6D-0541 [2] SUPPORT ASSEM. (Right Hand)  
    (Part of 6D537 Plate Assem.)
9. 6D-0543 [2] SCREW  
10. 6D-0545 [2] WHEEL  
11. 6D-0546 [2] SPRING  
12. 1H-3329 [2] SCREW ASSEM.  
    (1 each in 6D541 Support Assem.)
13. 6D-7450 [2] PIN  
14. 6D-0542 [2] SUPPORT ASSEM. (Left Hand)  
    (Part of 6D538 Plate Assem.)
15. 6D-0544 [2] SCREW  
10. 6D-0545 [2] WHEEL  
11. 6D-0546 [2] SPRING  
12. 1H-3329 [2] SCREW ASSEM.  
    (1 each in 6D542 Support Assem.)
16. 6D-0548 [1] TUBE ASSEM.  
17. 6D-0549 [2] SPRING  
18. 2H-3755 [4] BOLT  
  3B-4505 [4] LOCKWASHER  
    THE FOLLOWING REPAIR KITS ARE AVAILABLE:
  6D-0554 [1] BRAKE LINING KIT  
    (Consists of a complete set of linings and rivets for one wheel)
  6D-0553 [1] GUIDE BOLT KIT  
    (Includes cotter pins; bolts, washers and castle nuts for one wheel)
  6D-0556 [1] WHEEL CYLINDER KIT  
    (Includes spring assembly, cups and boots for one cylinder)
  R   REMFG PART MAY BE AVAILABLE
 

#UEG0718S0083
 

7D-6480: PARKING BRAKE ARRANGEMENT

7D6480 PARKING BRAKE ARRANGEMENT
AN ATTACHMENT
UEG0718S0083 UEG0718S
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Parts for your 12F MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  7D-5870 Y [1] PARKING BRAKE GROUP  
  7D-8850 Y [1] PARKING BRAKE CONTROL GROUP  
  Y   SEPARATE ILLUSTRATION
 

#UEG0718S0084
 

8D-9810: PARKING BRAKE ARRANGEMENT

8D9810 PARKING BRAKE ARRANGEMENT--Field Installation
UEG0718S0084 UEG0718S
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Parts for your 12F MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  8D-9640 Y [1] PARKING BRAKE CONTROL GROUP  
  8D-9850 Y [1] PARKING BRAKE GROUP  
  Y   SEPARATE ILLUSTRATION
 

#UEG0718S0085
 

7D-5870: PARKING BRAKE GROUP

7D5870 PARKING BRAKE GROUP
Part of 7D6480 Parking Brake Arrangement
c136238 UEG0718S
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Parts for your 12F MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7D-5537 [1] COVER  
2. 6D-7461 [3] PISTON  
3. 7S-4001 [3] SEAL  
4. 6D-7144 [1] PLATE  
5. 3B-1250 [1] NUT  
6. 1A-5918 [1] LOCK  
7. 7S-4002 [1] INSTRUCTION PLATE  
8. 4B-4158 [4] SCREW  
9. 1H-2415 [3] BOLT  
10. 3B-4508 [21] LOCKWASHER  
11. 9S-4191 [1] PLUG  
  3J-1907 [1] SEAL  
12. 4B-6190 [3] PLUG  
13. 1D-4569 [6] BOLT  
14. 3D-9348 [6] BOLT  
15. 7D-5365 [6] SPACER  
16. 7S-4003 [9] SPRING  
17. 9M-5615 [1] SCREW  
  9M-5590 [1] BALL  
18. 9M-5614 [1] FITTING  
19. 7S-3993 [1] PLATE  
20. 7S-3992 [3] DISC ASSEM.  
21. 1S-0057 R [2] PLATE  
22. 7D-1057 [1] HUB  
23. 7D-1054 [1] CAGE  
24. 5F-3106 [1] SEAL  
25. 1B-0936 [2] SEAL  
26. 4D-2148 [1] SLEEVE  
27. 7D-8293 [1] COVER  
28. 3J-9697 [16] SHIM  
29. 4J-6925 [6] STUD  
30. 1D-4719 [6] NUT  
31. 7D-8299 [1] SPACER  
32. 1D-4586 [1] BOLT  
33. 3B-4510 [1] LOCKWASHER  
34. 7D-5493 [1] HOUSING ASSEM.  
  3K-8156 [2] DOWEL  
  R   REMFG PART MAY BE AVAILABLE
 

#UEG0718S0086
 

8J-8761: ACCUMULATOR CHARGING VALVE GROUP

8J8761 ACCUMULATOR CHARGING VALVE GROUP
Part of 8D9640 & 7D8850 Parking Brake Control Groups shown
on Pages 71 & 75
c141644 UEG0718S
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Parts for your 12F MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  6J-7362 [1] VALVE GROUP  
  030-7941 [1] ELBOW  
  9S-4182 C [2] PLUG  
  3J-7354 [2] SEAL  
  7B-6368 [9] BALL  
  8J-8759 [1] PLUG  
  6J-9684 C [1] RETAINER  
  4J-5309 [1] SEAL  
  4J-0525 [1] SEAL  
  5J-0835 C [4] SHIM  
  4J-6748 [1] RETAINER  
  4J-6583 [1] WASHER  
  9S-4189 [1] PLUG  
  2M-9780 [1] SEAL  
  6J-7363 [1] VALVE GROUP  
  1J-8497 [1] VALVE  
  4F-7115 [1] SPRING  
  3J-7473 [10] SHIM (.005" Thick)  
  3J-7470 [1] SHIM (.040" Thick)  
  6J-1311 C [1] ROD  
  5J-9260 [1] RETAINER  
  0S-1588 [2] BOLT  
  5B-9628 [2] WASHER  
  4J-8996 [1] SEAL  
  0S-1571 [6] BOLT  
  3B-4506 [6] LOCKWASHER  
  4J-6779 [1] SPRING  
  4J-0519 [1] SEAL  
  4J-6750 [1] SPACER  
  8J-4508 [1] SPRING  
  4J-6751 [1] PLUG  
    (Part of 6J7362 Group)
  9S-8005 [1] PLUG  
  3K-0360 [1] SEAL  
  1P-4576 [2] FLANGE  
  9S-4189 [1] PLUG  
  2M-9780 [1] SEAL  
  9F-6705 [1] SPRING  
  1H-0337 [1] VALVE  
  9S-8004 [1] PLUG  
  3J-1907 [1] SEAL  
  0S-1594 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  4J-6485 [1] HOUSING  
  4J-6809 [1] SPRING (Inner)  
  4J-6808 [1] SPRING (Outer)  
  4J-6806 [3] SHIM  
  0S-1588 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
  1P-4577 [2] FLANGE  
  3B-1915 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
  4J-8997 [2] SEAL  
  0S-1588 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
  C   INDICATES CHANGE
 

#UEG0718S0087
 

8D-9640: PARKING BRAKE CONTROL GROUP

8D9640 PARKING BRAKE CONTROL GROUP--Part 1 of 3
Part of 8D9810 Parking Brake Arrangement listed on Page 68
c141663 UEG0718S
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Parts for your 12F MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4B-9302 [2] CLIP  
2. 0S-1591 [2] BOLT  
3. 8D-2217 [1] PLATE  
4. 8S-9089 [3] BOLT  
  3B-4508 [3] LOCKWASHER  
  3H-7654 [3] SPACER  
5. 6M-8604 [1] CLAMP  
6. 0L-1143 [1] BOLT  
  6B-2882 [1] SPACER (.312" Thick)  
  3S-8712 [1] SPACER (1.19" Thick)  
7. 4D-0622 [1] PLATE  
8. 030-7957 [1] TEE  
9. 7D-5958 [1] HOSE ASSEM.  
  9S-0247 H HOSE 127.5"  
10. 3S-9432 [1] STEM ASSEM. (90 degrees)  
11. 3S-7166 [2] SLEEVE  
12. 5S-5287 [1] STEM ASSEM. (45 degrees)  
13. 4F-7391 [1] SEAL  
14. 8J-8761 Y [1] VALVE GROUP (Charging)  
    (Separate Illustration)
15. 030-7946 [1] ELBOW  
16. 7D-5961 [1] HOSE ASSEM. (62" Long Overall)  
17. 7D-5957 [1] HOSE ASSEM.  
  9S-0247 H HOSE 59.6"  
18. 3S-7166 [2] SLEEVE  
19. 8S-6389 [1] COUPLING ASSEM.  
20. 4S-7485 [1] STEM ASSEM.  
21. 5F-1678 [2] SEAL  
22. 3B-4506 [3] LOCKWASHER  
23. 3J-7354 [2] SEAL  
24. 8D-9364 [1] HOSE ASSEM.  
  9S-0247 H HOSE 55.6 in.  
  3S-7165 [1] STEM ASSEM. (Straight)  
25. 3S-7166 [2] SLEEVE  
26. 4S-7485 [1] STEM ASSEM. (90 degrees)  
27. 3L-6521 [1] TEE  
  4S-6399 [1] CONNECTOR  
  H   ORDER BY THE INCH
  Y   SEPARATE ILLUSTRATION
 

#UEG0718S0088
 

8D-9640: PARKING BRAKE CONTROL GROUP

8D9640 PARKING BRAKE CONTROL GROUP--Part 2 of 3
Part of 8D9810 Parking Brake Arrangement listed on Page 68
7D3476 Accumulator parts are shown on Page 74
c141664 UEG0718S
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Parts for your 12F MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6D-0988 [1] FLANGE  
  5F-7054 [1] SEAL  
2. 0S-1588 [2] BOLT  
3. 3B-4506 [6] LOCKWASHER  
4. 2R-6806 [4] CONNECTOR  
  3J-1907 [4] SEAL  
5. 7D-8615 [1] HOSE ASSEM. (52 in. long)  
6. 052-0572 [1] TEE  
7. 001-9440 [1] CONNECTOR  
8. 7D-3476 Y [1] ACCUMULATOR GROUP  
    (Separate Illustration)
9. 7D-1774 [2] CLAMP  
10. 2K-6061 [2] MACHINE SCREW  
  1D-4717 [2] NUT  
11. 7D-8543 [1] BOX ASSEM.  
  5D-8412 [4] SCREW  
12. 7K-0899 [1] GROMMET  
13. 7D-8769 [1] SWITCH  
14. 6L-9781 [1] ADAPTER  
15. 9D-0657 [1] HOSE ASSEM. (67 in. long)  
16. 7D-8644 [1] HOSE ASSEM. (30 in. long)  
17. 9D-0174 [1] HARNESS ASSEM.  
  7F-9224 [2] TERMINAL  
18. 4S-1988 [1] TERMINAL  
19. 4L-3916 [1] TERMINAL  
20. 9D-0403 [1] HARNESS ASSEM.  
21. 7F-9224 [1] TERMINAL  
22. 4L-3916 [3] TERMINAL  
23. 4S-1988 [1] TERMINAL  
24. 0T-0573 [2] BOLT  
25. 7D-8669 [1] HOSE ASSEM. (23 in. long)  
26. 8D-3652 [1] WIRE ASSEM.  
  6D-9404 [1] TERMINAL  
27. 4S-1988 [1] TERMINAL  
28. 8D-3653 [1] WIRE ASSEM.  
  6D-9404 [1] TERMINAL  
29. 4L-3916 [1] TERMINAL  
30. 8M-2772 [2] CLIP  
31. 7D-5337 [1] BLOCK  
32. 7D-5363 [1] CONNECTOR  
33. 5B-8978 [1] TEE  
34. 3S-2093 [10] STRAP  
  Y   SEPARATE ILLUSTRATION
 

#UEG0718S0089
 

8D-9640: PARKING BRAKE CONTROL GROUP

8D9640 PARKING BRAKE CONTROL GROUP--Part 3 of 3
Part of 8D9810 Parking Brake Arrangement listed on Page 68
7D5749 Valve parts are shown on Page 74
c141665 UEG0718S
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Parts for your 12F MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7D-1782 [1] TUBE ASSEM.  
2. 5D-9522 [1] UNION  
  3J-1907 [1] SEAL  
3. 7D-8622 [1] HOSE ASSEM. (70 in. long)  
4. 7D-8668 [1] HOSE ASSEM. (102 in. long)  
5. 4B-9302 [1] CLIP  
6. 5F-1678 [1] SEAL (.948 in. I.D.)  
7. 4F-7391 [1] SEAL (1.296 in. I.D.)  
8. 2R-6806 [1] CONNECTOR  
  3J-1907 [1] SEAL  
9. 7D-7411 [1] WIRE ASSEM.  
  3D-4467 [1] TERMINAL  
10. 7F-9224 [1] TERMINAL  
  2D-3981 [1] INSULATOR  
11. 5J-0299 [4] CLIP  
12. 7D-8784 [1] HOSE ASSEM. (43" Long Overall)  
13. 7D-5363 [2] ADAPTER  
14. 7D-8793 [1] ELBOW  
15. 7D-5749 Y [1] VALVE ASSEM.  
    (Separate Illustration)
16. 7D-5362 [1] BRACKET  
17. 1B-9575 [2] BOLT  
  1D-4716 [2] NUT  
  3B-4505 [2] LOCKWASHER  
18. 7D-6227 [1] PLATE (Instruction)  
19. 4B-4158 [2] SCREW  
20. 1S-9886 [2] CLIP  
21. 7D-2514 [1] CONDUIT  
22. 7D-8703 [1] WIRE ASSEM.  
23. 3D-5365 [1] TERMINAL  
24. 3D-4467 [1] TERMINAL  
25. 2D-8154 [3] STUD  
  1M-1993 [3] SPACER  
  1D-4719 [3] NUT  
  3B-4508 [3] LOCKWASHER  
26. 6D-7464 [1] PLATE  
27. 5D-0019 [1] BULB  
28. 4D-9981 [1] LENS  
29. 7D-7388 [1] SOCKET AND WIRE ASSEM.  
30. 3D-5365 [1] TERMINAL  
31. 4D-9982 [1] SPRING  
32. 5D-9247 [1] BRACKET ASSEM.  
33. 4F-3597 [1] SCREW  
  4B-2043 [1] NUT  
  Y   SEPARATE ILLUSTRATION
 

Information:

Tool Operating Manual
149-7173 Bearing Handling Bracket Assembly {0374, 0599, 0629, 0632, 4006, 4008, 7551}
149-7173 Bearing Handling Bracket Assembly {0374, 0599, 0629, 0632, 4006, 4008, 7551}
193-4124 Rear Wheel Bearing Preload Adjuster for 793 Off-Highway Trucks{0374, 0599, 0700, 0722, 0727, 0731}
193-4124 Rear Wheel Bearing Preload Adjuster for 793 Off-Highway Trucks{0374, 0599, 0700, 0722, 0727, 0731}
Reuse And Salvage Guidelines
Procedure to Salvage Tang Slots on Transmission and Brake Pistons {0679, 3160, 4011, 4251}
Procedure to Salvage Tang Slots on Transmission and Brake Pistons {0679, 3160, 4011, 4251}
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

Caterpillar Parts SIS Catalog 12F :

Truck sale:

149.800 
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- Crawler excavators
YANCEY BROS. CO.
13,000 
Caterpillar 12F, Construction
- motor graders
ALTORFER INC.
159,900 
Caterpillar 312F GC, Construction
- Crawler Excavators
N C MACHINERY CO.
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