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2Y1680 TANDEM FRONT BRAKE GROUP 1G2299 Brake R.H., 1G2298 Brake L.H., 3D2219 Master Cylinder and 4B8759 Wheel Cylinder parts are shown on Pages 121, 122 and 123. AN ATTACHMENT 120B


BRAKING SYSTEM
BRAKE GP
CYLINDER GP
BRAKE GP
COOLING SYSTEM
RADIATOR GP
POWER TRAIN
WHEEL GP

MOTOR GRADER 120B MOTOR GRADER 64U
 120B MOTOR GRADER 64U02061-UP (MACHINE) POWERED BY 3306 ENGINE ZEBP0544 120B 64U   (1972)

BRAKING SYSTEM

BRAKE GP
BRAKE GP-TRANSMISSION
4D-2150 BRAKE GP-TRANSMISSION
HYDRAULIC BRAKE CONTROL GROUP
1G-1755 HYDRAULIC BRAKE CONTROL GROUP
CONTROL GP-HYDRAULIC BRAKE
2Y-4902 CONTROL GP-HYDRAULIC BRAKE
TANDEM FRONT BRAKE GROUP
2Y-1680 TANDEM FRONT BRAKE GROUP
BRAKE GP-HYDRAULIC
3D-9200 BRAKE GP-HYDRAULIC
BRAKE AS-CYLINDER
4B-8759 BRAKE AS-CYLINDER
BRAKE GP-HYDRAULIC
3D-9200 BRAKE GP-HYDRAULIC
BRAKE AS-LH
1G-2298 BRAKE AS-LH
BRAKE AS-RH
1G-2299 BRAKE AS-RH
 

#ZEBP05440200
 

2Y-1680: TANDEM FRONT BRAKE GROUP

2Y1680 TANDEM FRONT BRAKE GROUP
1G2299 Brake R.H., 1G2298 Brake L.H., 3D2219 Master Cylinder and 4B8759 Wheel Cylinder
parts are shown on Pages 121, 122 and 123. AN ATTACHMENT
c11264p ZEBP0544
2Y1680 TANDEM FRONT BRAKE GROUP Parts scheme
  For full view, you need register

Parts for your 120B MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. Y [2] WHEEL CYLINDER ASSEM.  
2. [4] BOLT  
3. [4] LOCKWASHER  
4. [4] LINK  
5. [4] STRIP  
6. [2] CAGE  
7. [16] BOLT  
8. [16] WASHER  
9. [36] BOLT  
10. [36] WASHER  
11. [2] SEAL  
12. Y [1] BRAKE ASSEM. (R.H.)  
13. Y [1] BRAKE ASSEM. (L.H.)  
14. [2] DRUM  
15. [1] TUBE ASSEM. (R.H.)  
16. [1] TUBE ASSEM. (L.H.)  
17. [4] CLIP  
18. [2] CLIP  
19. [1] ROD ASSEM.  
20. Y [1] MASTER CYLINDER ASSEM.  
21. [2] GASKET  
22. [2] SEAL  
  Y   SEPARATE ILLUSTRATION
 

#ZEBP05440201
 

2D-9600: MASTER CYLINDER ASSEMBLY

2D9600 MASTER CYLINDER ASSEMBLY
Part of 1G1755 Hydraulic Brake Control shown on Page 119
c11221p ZEBP0544
2D9600 MASTER CYLINDER ASSEMBLY Parts scheme
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Parts for your 120B MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  1F-4652 [1] CUP  
    (Part of 5B3223 Assem.)
  5B-3225 [1] PLATE  
  5B-3226 H [1] WIRE  
    THE FOLLOWING REPAIR KIT IS AVAILABLE:
  5D-8755 [1] MASTER CYL KIT  
    (Consists of all Parts Marked h)
  5B-3227 H [1] BOOT  
  3D-2306 [1] ROD ASSEM.  
  5B-3223 H [1] PISTON ASSEM.  
  9B-1544 [1] CAP ASSEM.  
  9B-1545 [1] GASKET  
  3H-5454 H [1] VALVE ASSEM.  
  5B-3219 H [1] SPRING ASSEM.  
  5B-3222 H [1] CUP  
 

#ZEBP05440202
 

3D-2219: CYLINDER AS

3D2219 MASTER CYLINDER ASSEMBLY
Part of 2Y4902 Hydraulic Brake Control & 2Y1680 Tandem Front Brake Groups shown
on Pages 119B & 120
c11168p ZEBP0544
3D2219 CYLINDER AS Parts scheme
  For full view, you need register

Parts for your 120B MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  9B-1544 [1] CAP ASSEM.  
  6B-7220 [1] RING  
    (Part of 4B8981 Assem.)
  4B-8985 [1] PLATE  
  4B-8984 H [1] WIRE  
  3D-9334 J [1] KIT MASTER CYLINDER  
    (Consists of all Parts Marked h)
  4B-8989 H [1] BOOT  
  2D-9602 [1] ROD ASSEM.  
  4B-8981 H [1] PISTON ASSEM.  
  9B-1545 [1] GASKET  
  3D-8323 H [1] VALVE ASSEM.  
  4B-8983 [1] SPRING ASSEM.  
  4B-8982 H [1] CUP  
  J   NOT PART OF 3D2219 CYLINDER AS
 

#ZEBP05440203
 

3D-9200: BRAKE GP-HYDRAULIC

3D9200 REAR WHEEL HYDRAULIC BRAKE GROUP
Serial No. 64U2061 to 64U5530 inclusive
1G2298 & 1G2299 Brake parts are shown on Pages 122B & 123
sp232 ZEBP0544
3D9200 BRAKE GP-HYDRAULIC Parts scheme
  For full view, you need register

Parts for your 120B MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  1G-2299 [1] BRAKE ASSEM. (R.H.)  
  1G-2298 Y [1] BRAKE ASSEM. (L.H.)  
    (Separate Illustration)
  4B-8304 [4] LINK  
  1G-2247 [4] STRIP  
  1A-8537 [16] BOLT  
  4D-3704 [16] LOCKWASHER  
  2B-5484 [36] BOLT  
  4D-6433 [36] WASHER  
  2D-1345 [2] DRUM  
  Y   SEPARATE ILLUSTRATION
 

#ZEBP05440204
 

4B-8759: BRAKE AS-CYLINDER

4B8759 CYLINDER BRAKE ASSEMBLY
Part of 1G1755 & 2Y4902 Hydraulic Brake Control and 2Y1680 Tandem Front Brake
Groups shown on Pages 119, 119B & 120
sp136 ZEBP0544
4B8759 BRAKE AS-CYLINDER Parts scheme
  For full view, you need register

Parts for your 120B MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  4B-9001 [2] STRAP  
  4B-8999 [2] BOOT  
  4B-9000 [2] PISTON  
  4B-8997 [2] CUP  
  4B-8998 [1] SPRING  
  4B-9004 [1] GASKET  
  9F-2167 [1] SCREW (Bleeder)  
  4B-9003 [1] FITTING  
    THE FOLLOWING REPAIR KIT IS AVAILABLE:
  2D-7747 [1] KIT WHEEL CYLINDER  
 

#ZEBP05440205
 

3D-9200: BRAKE GP-HYDRAULIC

3D9200 REAR WHEEL HYDRAULIC BRAKE GROUP
Serial No. 64U5531-Up
1G2298 & 1G2299 Brake parts are shown on Pages 122B & 123
sp1322 ZEBP0544
3D9200 BRAKE GP-HYDRAULIC Parts scheme
  For full view, you need register

Parts for your 120B MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2D-1345 C [4] DRUM  
2. 1A-8537 C [32] BOLT  
  4D-3704 C [32] LOCKWASHER  
3. 4B-8304 C [8] LINK  
4. 1G-2299 C [2] BRAKE ASSEM. (R.H.)  
  1G-2298 YC [2] BRAKE ASSEM. (L.H.)  
    (Separate Illustration)
5. 1G-2247 C [8] STRIP  
6. 2B-5484 C [72] BOLT  
  C [72] WASHER  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#ZEBP05440206
 

1G-2298: BRAKE AS-LH

1G2298 BRAKE ASSEMBLY--L.H.
Part of 2Y1680 Tandem Front Brake & 3D9200 Rear Wheel Hydraulic Brake Groups shown on Pages 120, 122 & 122A
c224495 ZEBP0544
1G2298 BRAKE AS-LH Parts scheme
  For full view, you need register

Parts for your 120B MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4B-8317 [1] PLATE  
2. 4B-8305 [1] SPRING  
3. 5D-7988 [1] WASHER  
4. 4D-3265 [2] PIN  
  3B-5753 [2] NUT  
  3B-4518 [2] LOCKWASHER  
5. 4D-3273 R [1] SHOE AND LINING ASSEM.  
6. 4D-3266 [1] GUIDE  
7. 4D-3270 [1] CABLE ASSEM.  
8. 4D-3271 [1] PIN  
9. 4D-3269 [1] LEVER  
10. 2Y-3773 [1] SCREW KIT (L.H.)  
11. 4B-8309 [1] PIN  
  3B-4624 [2] COTTER PIN  
12. 1G-2300 [1] PLATE ASSEM.  
13. 8D-2365 [8] CUP  
  2Y-3796 [4] RETAINER  
  8D-2369 [4] SPRING  
14. 4B-8312 [2] SPRING  
15. 4D-3274 R [1] SHOE AND LINING ASSEM.  
16. 5D-7987 [1] WASHER  
17. 5D-0709 [2] PLUG  
18. 4D-3267 [1] SPRING  
    THE FOLLOWING REPAIR KIT IS AVAILABLE:
  4D-4021 [1] BRAKE LINING (kit)  
    (Includes linings and rivets)
  R   REMFG PART MAY BE AVAILABLE
 

#ZEBP05440207
 

1G-2299: BRAKE AS-RH

1G2299 BRAKE ASSEMBLY--R.H.
Part of 2Y1680 Tandem Front Brake & 3D9200 Rear Wheel Hydraulic Brake Groups shown on Pages 120, 122 & 122A
c224496 ZEBP0544
1G2299 BRAKE AS-RH Parts scheme
  For full view, you need register

Parts for your 120B MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4B-8317 [1] PLATE  
2. 4B-8305 [1] SPRING  
3. 5D-7987 [1] WASHER  
4. 4B-8312 [2] SPRING  
5. 4D-3273 R [1] SHOE AND LINING  
6. 1G-2300 [1] PLATE ASSEM.  
7. 4B-8309 [1] PIN  
  3B-4624 [2] COTTER PIN  
8. 2Y-3772 [1] SCREW KIT (R.H.)  
9. 4D-3271 [1] PIN  
10. 4D-3269 [1] LEVER  
11. 4D-3270 [1] CABLE ASSEM.  
12. 8D-2365 [8] CUP  
  2Y-3796 [4] RETAINER  
  8D-2369 [4] SPRING  
13. 4D-3266 [1] GUIDE  
14. 4D-3274 R [1] SHOE AND LINING  
15. 4D-3265 [2] PIN  
  3B-5753 [2] NUT  
  3B-4518 [2] LOCKWASHER  
16. 5D-7988 [1] WASHER  
17. 5D-0709 [2] PLUG  
18. 4D-3267 [1] SPRING  
    THE FOLLOWING REPAIR KIT IS AVAILABLE
  4D-4021 [1] BRAKE LINING (kit)  
    (Includes linings and rivets)
  R   REMFG PART MAY BE AVAILABLE
 

#ZEBP05440208
 

6D-4430: SUPPORT GP-RADIATOR

6D4430 RADIATOR SUPPORT GROUP
sp233 ZEBP0544
6D4430 SUPPORT GP-RADIATOR Parts scheme
  For full view, you need register

Parts for your 120B MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  0S-0509 [6] BOLT  
  3B-4506 [6] LOCKWASHER  
  4B-4278 [6] WASHER  
  3K-3235 [1] GRAB IRON  
    (Part of Guard Assem. 6D3965)
  4D-7978 [4] BLOCK  
  2B-0947 [8] BOLT  
  3B-4508 [8] LOCKWASHER  
  6D-3965 [1] GUARD ASSEM.  
  9F-2978 [5] NUT (Weld)  
    (Part of 6D3965 Assem.)
  6H-1717 [12] BOLT  
  3B-4508 [12] LOCKWASHER  
  9S-1366 [2] BOLT  
  3B-4508 [2] LOCKWASHER  
  4B-4280 [4] WASHER  
  0S-0509 [7] BOLT  
  3B-4506 [7] LOCKWASHER  
  4D-8849 [1] SHELL  
  0S-1585 [8] BOLT  
  3B-4508 [8] LOCKWASHER  
  6D-7657 [1] PLATE  
  1M-7836 [2] BRACKET  
  6D-3699 [1] BRACE  
  0S-1595 [2] BOLT  
  3B-4508 [2] LOCKWASHER  
  4B-4280 [2] WASHER  
  3K-3235 [1] GRAB IRON  
    (Part of 6D3966 Assem.)
  1M-7819 [1] GUARD  
  4D-7979 [2] STRIP  
  6D-3966 GUARD ASSEM.  
  9F-2978 NUT (Weld)  
    (Part of 6D3966 Assem.)
  8D-7741 [1] COVER ASSEM.  
  9F-2978 [4] NUT (Weld)  
    (Part of 8D7741 Assem.)
  0S-1622 [8] BOLT  
  3B-4508 [8] LOCKWASHER  
 

#ZEBP05440209
 

1G-1655: WHEEL & TIRE GP-FRONT

1G1655 FRONT WHEELS AND TIRES GROUP
sp1227 ZEBP0544
1G1655 WHEEL & TIRE GP-FRONT Parts scheme
  For full view, you need register

Parts for your 120B MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  2Y-4568 C [2] FLANGE  
  2Y-4567 C [2] RING  
  2D-8114 [16] CLAMP  
  3B-8489 [2] FITTING  
  1B-3909 [2] CUP  
  6H-3568 [2] CUP  
  2D-4134 [2] SLEEVE  
    (Part of 5D3335 Assem.)
  5D-3335 [2] WHEEL ASSEM.  
  2Y-4570 C [2] RIM ASSEM.  
  2D-5238 [16] STUD  
    (Part of 5D3335 Assem.)
  4D-6171 [16] NUT  
  2Y-4569 C [2] BASE ASSEM.  
    (Part of 2Y4570 Assem.)
 

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}

Caterpillar Parts SIS Catalog 120B :

CONTROL GP-HYDRAULIC BRAKE
2Y-4902 CONTROL GP-HYDRAULIC BRAKE
HYDRAULIC BRAKE CONTROL GROUP
1G-1755 HYDRAULIC BRAKE CONTROL GROUP
HOUSING GP-TANDUM DRIVE
2Y-1040 HOUSING GP-TANDUM DRIVE
HOUSING GP-TANDUM DRIVE
2Y-1040 HOUSING GP-TANDUM DRIVE
AXLE GP-REAR
7D-7630 AXLE GP-REAR
FILTER GP-OIL
7D-5460 FILTER GP-OIL
WHEEL & TIRE GP-REAR
1G-1660 WHEEL & TIRE GP-REAR
LUBRICATION GP-TRANSMISSION
7D-9550 LUBRICATION GP-TRANSMISSION
MASTER CYLINDER ASSEMBLY
2D-9600 MASTER CYLINDER ASSEMBLY
CYLINDER AS
3D-2219 CYLINDER AS
BRAKE GP-HYDRAULIC
3D-9200 BRAKE GP-HYDRAULIC
BRAKE AS-CYLINDER
4B-8759 BRAKE AS-CYLINDER
BRAKE GP-HYDRAULIC
3D-9200 BRAKE GP-HYDRAULIC
BRAKE AS-LH
1G-2298 BRAKE AS-LH
BRAKE AS-RH
1G-2299 BRAKE AS-RH
SUPPORT GP-RADIATOR
6D-4430 SUPPORT GP-RADIATOR

Truck sale:

CATERPILLAR 120B 1978
$17,572 USD 
CATERPILLAR 120B 1978
- MOTOR GRADERS
PESA
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