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HYDRAULIC BRAKE (5D8420 N/S) Serial No. 10R2915-Up and 22R983-Up 5D8415 & 5D8416 Brake parts are shown on Page 80 120


BRAKING SYSTEM
BRAKE GP
CONTROL GP
BRAKE GP

MOTOR GRADER 120 MOTOR GRADER 10R
 120 MOTOR GRADER 10R02882-UP (MACHINE) UEG0726S 120 10R   (1969)

BRAKING SYSTEM

BRAKE GP
7D-6350 HYDRAULIC BRAKE CONTROL
HYDRAULIC BRAKE
5D-8680 HYDRAULIC BRAKE
HYDRAULIC BRAKE
5D-8420 HYDRAULIC BRAKE
5D-8645 BRAKE ASSEMBLY--R.H.,BRAKE ASSEMBLY--L.H.
BRAKE ASSEMBLY--R.H.,BRAKE ASSEMBLY--L.H.
5D-8646 BRAKE ASSEMBLY--R.H.,BRAKE ASSEMBLY--L.H.
5D-8415 BRAKE ASSEMBLY--R.H.,BRAKE ASSEMBLY--L.H.
 

#UEG0726S0120
 

5D-8420: HYDRAULIC BRAKE

HYDRAULIC BRAKE (5D8420 N/S)
Serial No. 10R2915-Up and 22R983-Up
5D8415 & 5D8416 Brake parts are shown on Page 80
c95557 UEG0726S
5D8420 HYDRAULIC BRAKE Parts scheme
  For full view, you need register

Parts for your 120 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-8537 [32] BOLT  
  3B-4510 [32] LOCKWASHER  
4. 4D-1726 [72] BOLT  
  4D-6433 [72] WASHER  
  Y   SEPARATE ILLUSTRATION
 

#UEG0726S0121
 

5D-8645: BRAKE ASSEMBLY--R.H.,BRAKE ASSEMBLY--L.H.

5D8645 BRAKE ASSEMBLY--R.H.
5D8646 BRAKE ASSEMBLY--L.H.
Serial No. 10R2882 to 10R2914 inclusive and 22R980 to
22R982 inclusive. Part of Hydraulic Brakes
c227401 UEG0726S
  For full view, you need register

Parts for your 120 MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6D-0532 [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-0533 [1] CYLINDER ASSEM.  
    (Right Hand Lower)
  6D-0534 [1] CYLINDER ASSEM.  
    (Left Hand Lower)
    (Each Includes)
6. 6D-0557 [1] SCREW  
7. 6D-0537 [1] PLATE ASSEM. (R.H.)  
    (Includes)
  9D-9215 C [2] RIVET  
8. 6D-0541 [2] SUPPORT ASSEM. (R.H.)  
    (Each Includes)
9. 6D-0543 [1] SCREW  
10. 6D-0545 [1] WHEEL  
11. 6D-0546 [1] SPRING  
12. 1H-3329 [1] SCREW ASSEM  
13. 6D-7450 [2] PIN  
14. 6D-0538 [1] PLATE ASSEM.  
    (Includes)
  9D-9215 C [2] RIVET  
15. 6D-0542 [2] SUPPORT ASSEM. (L.H.)  
    (Each Includes)
16. 6D-0544 [1] SCREW  
17. 6D-0545 [1] WHEEL  
18. 6D-0546 [1] SPRING  
19. 1H-3329 [1] SCREW ASSEM.  
20. 6D-0548 [1] TUBE ASSEM.  
21. 6D-0549 [2] SPRING  
22. 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-0555 [1] WHEEL CYLINDER KIT  
    (Includes spring assembly, cups AND BOOTS FOR ONE CYLINDER)
  C   INDICATES CHANGE
  R   REMFG PART MAY BE AVAILABLE
 

#UEG0726S0122
 

5D-8646: BRAKE ASSEMBLY--R.H.,BRAKE ASSEMBLY--L.H.

5D8645 BRAKE ASSEMBLY--R.H.
5D8646 BRAKE ASSEMBLY--L.H.
Serial No. 10R2882 to 10R2914 inclusive and 22R980 to
22R982 inclusive. Part of Hydraulic Brakes
c227401 UEG0726S
5D8646 BRAKE ASSEMBLY--R.H.,BRAKE ASSEMBLY--L.H. Parts scheme
  For full view, you need register

Parts for your 120 MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6D-0532 [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-0533 [1] CYLINDER ASSEM.  
    (Right Hand Lower)
  6D-0534 [1] CYLINDER ASSEM.  
    (Left Hand Lower)
    (Each Includes)
6. 6D-0557 [1] SCREW  
7. 6D-0537 [1] PLATE ASSEM. (R.H.)  
    (Includes)
  9D-9215 C [2] RIVET  
8. 6D-0541 [2] SUPPORT ASSEM. (R.H.)  
    (Each Includes)
9. 6D-0543 [1] SCREW  
10. 6D-0545 [1] WHEEL  
11. 6D-0546 [1] SPRING  
12. 1H-3329 [1] SCREW ASSEM  
13. 6D-7450 [2] PIN  
14. 6D-0538 [1] PLATE ASSEM.  
    (Includes)
  9D-9215 C [2] RIVET  
15. 6D-0542 [2] SUPPORT ASSEM. (L.H.)  
    (Each Includes)
16. 6D-0544 [1] SCREW  
17. 6D-0545 [1] WHEEL  
18. 6D-0546 [1] SPRING  
19. 1H-3329 [1] SCREW ASSEM.  
20. 6D-0548 [1] TUBE ASSEM.  
21. 6D-0549 [2] SPRING  
22. 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-0555 [1] WHEEL CYLINDER KIT  
    (Includes spring assembly, cups AND BOOTS FOR ONE CYLINDER)
  C   INDICATES CHANGE
  R   REMFG PART MAY BE AVAILABLE
 

#UEG0726S0123
 

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

5D8415 BRAKE ASSEMBLY--R.H.--2 Required
5D8416 BRAKE ASSEMBLY--L.H.--2 Required
Serial No. 10R2915-Up and 22R983-Up
Part of Hydraulic Brakes shown on Page 78
c227400 UEG0726S
  For full view, you need register

Parts for your 120 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)
    (Each Includes)
6. 6D-0557 [1] SCREW  
7. 6D-0537 [1] PLATE ASSEM. (R.H.)  
    (Includes)
  9D-9215 C [2] RIVET  
8. 6D-0541 [2] SUPPORT ASSEM. (R.H.)  
    (Each Includes)
9. 6D-0543 [1] SCREW  
10. 6D-0545 [1] WHEEL  
11. 6D-0546 [1] SPRING  
12. 1H-3329 [1] SCREW ASSEM.  
13. 6D-7450 [2] PIN  
14. 6D-0538 [1] PLATE ASSEM.  
    (Includes)
  9D-9215 C [2] RIVET  
15. 6D-0542 [2] SUPPORT ASSEM. (L.H.)  
    (Each Includes)
16. 6D-0544 [1] SCREW  
17. 6D-0545 [1] WHEEL  
18. 6D-0546 [1] SPRING  
19. 1H-3329 [1] SCREW ASSEM.  
20. 6D-0548 [1] TUBE ASSEM.  
21. 6D-0549 [2] SPRING  
22. 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)
  C   INDICATES CHANGE
  R   REMFG PART MAY BE AVAILABLE
 

#UEG0726S0124
 

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

5D8415 BRAKE ASSEMBLY--R.H.--2 Required
5D8416 BRAKE ASSEMBLY--L.H.--2 Required
Serial No. 10R2915-Up and 22R983-Up
Part of Hydraulic Brakes shown on Page 78
c227400 UEG0726S
5D8416 BRAKE ASSEMBLY--R.H.,BRAKE ASSEMBLY--L.H. Parts scheme
  For full view, you need register

Parts for your 120 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)
    (Each Includes)
6. 6D-0557 [1] SCREW  
7. 6D-0537 [1] PLATE ASSEM. (R.H.)  
    (Includes)
  9D-9215 C [2] RIVET  
8. 6D-0541 [2] SUPPORT ASSEM. (R.H.)  
    (Each Includes)
9. 6D-0543 [1] SCREW  
10. 6D-0545 [1] WHEEL  
11. 6D-0546 [1] SPRING  
12. 1H-3329 [1] SCREW ASSEM.  
13. 6D-7450 [2] PIN  
14. 6D-0538 [1] PLATE ASSEM.  
    (Includes)
  9D-9215 C [2] RIVET  
15. 6D-0542 [2] SUPPORT ASSEM. (L.H.)  
    (Each Includes)
16. 6D-0544 [1] SCREW  
17. 6D-0545 [1] WHEEL  
18. 6D-0546 [1] SPRING  
19. 1H-3329 [1] SCREW ASSEM.  
20. 6D-0548 [1] TUBE ASSEM.  
21. 6D-0549 [2] SPRING  
22. 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)
  C   INDICATES CHANGE
  R   REMFG PART MAY BE AVAILABLE
 

#UEG0726S0125
 

8D-9820: BRAKE CONTROL ARRANGEMENT

These parts are required when using 8D9820 Brake
Control Arrangement with Omaha Steel Hydraulic
Control Arrangement
UEG0726S0125 UEG0726S
  For full view, you need register

Parts for your 120 MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  8D-2336 [1] HOSE ASSEMBLY (35" long)  
  8D-6507 [1] HOSE ASSEMBLY (19" long)  
  8D-6506 [1] HOSE ASSEMBLY (32" long)  
  7D-5363 [1] CONNECTOR  
  5B-8978 [1] TEE  
  8D-9058 [1] ANGLE  
  1A-1460 [5] BOLT  
  3B-4508 [5] LOCKWASHER  
  1D-4719 [5] NUT  
 

#UEG0726S0126
 

8D-0250: PARKING BRAKE ARRANGEMENT

8D250 PARKING BRAKE ARRANGEMENT
AN ATTACHMENT
UEG0726S0126 UEG0726S
  For full view, you need register

Parts for your 120 MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  7D-5870 Y [1] PARKING BRAKE GROUP  
  8D-0230 Y [1] PARKING BRAKE CONTROL GROUP  
  Y   SEPARATE ILLUSTRATION
 

#UEG0726S0127
 

8D-9240: PARKING BRAKE ARRANGEMENT

8D9240 PARKING BRAKE ARRANGEMENT--Factory Installation
FOR USE WITH OMAHA STEEL HYDRAULIC ARRANGEMENTS
AN ATTACHMENT
UEG0726S0127 UEG0726S
  For full view, you need register

Parts for your 120 MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  7D-5870 Y [1] PARKING BRAKE GROUP  
  8D-6520 Y [1] PARKING BRAKE CONTROL GROUP  
  Y   SEPARATE ILLUSTRATION
 

#UEG0726S0128
 

8D-9820: PARKING BRAKE ARRANGEMENT

8D9820 PARKING BRAKE ARRANGEMENT--Field Installation
AN ATTACHMENT
UEG0726S0128 UEG0726S
  For full view, you need register

Parts for your 120 MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  8D-9850 Y [1] PARKING BRAKE GROUP  
  8D-9870 Y [1] PARKING BRAKE CONTROL GROUP  
  Y   SEPARATE ILLUSTRATION
 

#UEG0726S0129
 

7D-5870: PARKING BRAKE GROUP

7D5870 PARKING BRAKE GROUP
Part of 8D250 & 8D9240 Parking Brake Arrangements listed on Pages 80B & 81
c136238 UEG0726S
7D5870 PARKING BRAKE GROUP Parts scheme
  For full view, you need register

Parts for your 120 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
 

Information:

Specifications
Brake Assembly
NO. 120 & NO. 140 MOTOR GRADERS HYDRAULIC SYSTEM, STEERING A
Transfer Gears And Parking Brake<BR> (Power Shift)
NO. 120 & NO. 140 MOTOR GRADERS HYDRAULIC SYSTEM, STEERING A
Parking Brake<BR> (Direct Drive)
NO. 120 & NO. 140 MOTOR GRADERS HYDRAULIC SYSTEM, STEERING A
Bevel Gear, Transfer Gears And Parking Brake
NO. 120 & NO. 140 MOTOR GRADERS (POWER SHIFT TRANSMISSION)
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}
Disassembly and Assembly
Hydraulic Brake Master Cylinder And Power Cylinder
NO. 120 & NO. 140 MOTOR GRADERS VEHICLE SYSTEMS
Brake Shoes And Wheel Cylinders
NO. 120 & NO. 140 MOTOR GRADER POWER TRAIN
Rear Wheel Spindles
NO. 120 & NO. 140 MOTOR GRADER POWER TRAIN
Parking Brake Cylinder (Power Shift)
NO. 120 & NO. 140 MOTOR GRADER POWER TRAIN
Parking Brake (Power Shift)
NO. 120 & NO. 140 MOTOR GRADER POWER TRAIN
Parking Brake (Direct Drive)
NO. 120 & NO. 140 MOTOR GRADER POWER TRAIN
Service Magazine
Larger Screw Used To Hold Adjusting Wheel Spring On Brake Anchor Support Assembly{4251}
1980/05/05
Put Brake Fluid On Cups And Cylinder Of Brake During Assembly{4260}
1977/02/14

Caterpillar Parts SIS Catalog 120 :

HYDRAULIC BRAKE
5D-8680 HYDRAULIC BRAKE
CYLINDER AS-POWER
6D-0689 CYLINDER AS-POWER
CYLINDER AS-MASTER
7D-5648 CYLINDER AS-MASTER
CYLINDER AS-POWER MASTER
7D-5649 CYLINDER AS-POWER MASTER
7D-6350 HYDRAULIC BRAKE CONTROL
HYDRAULIC BRAKE CONTROL
7D-6350 HYDRAULIC BRAKE CONTROL
HYDRAULIC BRAKE CONTROL
6D-2480 HYDRAULIC BRAKE CONTROL
MASTER CYLINDER ASSEMBLY
2D-9600 MASTER CYLINDER ASSEMBLY
5D-8645 BRAKE ASSEMBLY--R.H.,BRAKE ASSEMBLY--L.H.
BRAKE ASSEMBLY--R.H.,BRAKE ASSEMBLY--L.H.
5D-8646 BRAKE ASSEMBLY--R.H.,BRAKE ASSEMBLY--L.H.
5D-8415 BRAKE ASSEMBLY--R.H.,BRAKE ASSEMBLY--L.H.
BRAKE ASSEMBLY--R.H.,BRAKE ASSEMBLY--L.H.
5D-8416 BRAKE ASSEMBLY--R.H.,BRAKE ASSEMBLY--L.H.
8D-9820 BRAKE CONTROL ARRANGEMENT
8D-0250 PARKING BRAKE ARRANGEMENT
8D-9240 PARKING BRAKE ARRANGEMENT
8D-9820 PARKING BRAKE ARRANGEMENT

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