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4D6273 BRAKE ASSEMBLY--R.H. 4D6274 BRAKE ASSEMBLY--L.H. Part of Hydraulic Wheel Brake and 4D3340 Tandem Front Brake Group shown on Pages 88 and 154 12E


BRAKING SYSTEM
BRAKE GP
POWER TRAIN
CAP GP-HUB
WHEEL GP
OPERATOR STATION
CONTROL GP-STEERING

MOTOR GRADER 12E MOTOR GRADER 99E
 NO. 12 MTR. GRADER 99E04491-14170 (MACHINE) UE034780 12E 99E   (1959)

BRAKING SYSTEM

BRAKE GP
TRANSMISSION BRAKE
TRANSMISSION BRAKE
BRAKE AS-CYLINDER
4B-8759 BRAKE AS-CYLINDER
HYDRAULIC WHEEL BRAKE
HYDRAULIC WHEEL BRAKE
HYDRAULIC WHEEL BRAKE
HYDRAULIC WHEEL BRAKE
4D-3275 BRAKE ASSEMBLY
BRAKE ASSEMBLY
4D-3276 BRAKE ASSEMBLY
4D-6273 BRAKE ASSEMBLY
BRAKE ASSEMBLY
4D-6274 BRAKE ASSEMBLY
TANDEM FRONT BRAKE GROUP
4D-3340 TANDEM FRONT BRAKE GROUP
 

#UE0347800220
 

4D-6273: BRAKE ASSEMBLY

4D6273 BRAKE ASSEMBLY--R.H.
4D6274 BRAKE ASSEMBLY--L.H.
Part of Hydraulic Wheel Brake and 4D3340 Tandem Front Brake Group shown on Pages 88 and 154
c91209 UE034780
  For full view, you need register

Parts for your 12E MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  4B-8305 [1] SPRING  
  6B-9503 [6] COVER  
  6B-9497 [6] PIN  
    (PARTS OF PLATE ASSEM. 4D6886)
  4B-8312 [1] SPRING (RED)  
  4D-3274 R [1] SHOE AND LINING ASSEM.  
    (LEFT HAND FRONT-RIGHT HAND REAR)
  4D-4021 [1] BRAKE LINING KIT  
    (CONSISTS OF A COMPLETE SET OF LININGS & RIVETS FOR ONE WHEEL)
  4D-3267 [1] SPRING  
  5D-0709 [4] PLUG  
  4D-3262 [1] NUT  
    (PART OF SCREW ASSEM. 4D3292)
  4D-3261 [1] NUT  
    (PART OF SCREW ASSEM. 4D3291)
  4B-8309 [1] PIN  
  3B-4624 [2] COTTER PIN  
  4D-3292 [1] SCREW ASSEM.  
    (LEFT HAND)
  4D-3264 [1] SCREW  
    (PART OF SCREW ASSEM. 4D3292)
  4D-3291 [1] SCREW ASSEM.  
    (RIGHT HAND)
  4D-3263 [1] SCREW  
    (PART OF SCREW ASSEM. 4D3291)
  4B-8317 [1] PLATE  
  4D-3265 [2] PIN  
  1F-0974 [2] NUT  
  4B-8318 [2] LOCKWASHER  
  4D-3270 [1] CABLE ASSEM.  
  4B-8312 [1] SPRING (BLACK)  
  4D-3273 R [1] SHOE AND LINING ASSEM.  
    (LEFT HAND REAR-RIGHT HAND FRONT)
  4D-6886 [1] PLATE ASSEM.  
  4D-3266 [1] GUIDE  
  4D-3269 [1] LEVER  
  4B-8315 [4] PIN  
  3B-4623 [4] COTTER PIN  
  4B-8314 [8] CUP  
  4B-8313 [4] SPRING  
  4D-3271 [1] PIN  
  4D-3268 [1] SOCKET  
  R   REMFG PART MAY BE AVAILABLE
 

#UE0347800221
 

4D-6274: BRAKE ASSEMBLY

4D6273 BRAKE ASSEMBLY--R.H.
4D6274 BRAKE ASSEMBLY--L.H.
Part of Hydraulic Wheel Brake and 4D3340 Tandem Front Brake Group shown on Pages 88 and 154
c91209 UE034780
4D6274 BRAKE ASSEMBLY Parts scheme
  For full view, you need register

Parts for your 12E MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  4B-8305 [1] SPRING  
  6B-9503 [6] COVER  
  6B-9497 [6] PIN  
    (PARTS OF PLATE ASSEM. 4D6886)
  4B-8312 [1] SPRING (RED)  
  4D-3274 R [1] SHOE AND LINING ASSEM.  
    (LEFT HAND FRONT-RIGHT HAND REAR)
  4D-4021 [1] BRAKE LINING KIT  
    (CONSISTS OF A COMPLETE SET OF LININGS & RIVETS FOR ONE WHEEL)
  4D-3267 [1] SPRING  
  5D-0709 [4] PLUG  
  4D-3262 [1] NUT  
    (PART OF SCREW ASSEM. 4D3292)
  4D-3261 [1] NUT  
    (PART OF SCREW ASSEM. 4D3291)
  4B-8309 [1] PIN  
  3B-4624 [2] COTTER PIN  
  4D-3292 [1] SCREW ASSEM.  
    (LEFT HAND)
  4D-3264 [1] SCREW  
    (PART OF SCREW ASSEM. 4D3292)
  4D-3291 [1] SCREW ASSEM.  
    (RIGHT HAND)
  4D-3263 [1] SCREW  
    (PART OF SCREW ASSEM. 4D3291)
  4B-8317 [1] PLATE  
  4D-3265 [2] PIN  
  1F-0974 [2] NUT  
  4B-8318 [2] LOCKWASHER  
  4D-3270 [1] CABLE ASSEM.  
  4B-8312 [1] SPRING (BLACK)  
  4D-3273 R [1] SHOE AND LINING ASSEM.  
    (LEFT HAND REAR-RIGHT HAND FRONT)
  4D-6886 [1] PLATE ASSEM.  
  4D-3266 [1] GUIDE  
  4D-3269 [1] LEVER  
  4B-8315 [4] PIN  
  3B-4623 [4] COTTER PIN  
  4B-8314 [8] CUP  
  4B-8313 [4] SPRING  
  4D-3271 [1] PIN  
  4D-3268 [1] SOCKET  
  R   REMFG PART MAY BE AVAILABLE
 

#UE0347800222
 

3D-2329: CAP GP-HUB

HUB CAP (3D2329 N/S)
c58088 UE034780
3D2329 CAP GP-HUB Parts scheme
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Parts for your 12E MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  3D-2327 [2] GASKET  
  3D-2328 [2] CAP  
  3L-0526 [6] BOLT  
  3B-4507 [6] LOCKWASHER  
 

#UE0347800223
 

3D-8920: REAR WHEELS AND TIRES

REAR WHEELS AND TIRES (3D8920 N/S)--13.00 x 24 Tubeless Tires
Refer also to Page 157 for special parts
c137715 UE034780
3D8920 REAR WHEELS AND TIRES Parts scheme
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Parts for your 12E MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  2D-5238 [56] STUD  
    (14 IN EACH ASSEM. 2D7612)
  4D-6171 [56] NUT  
  2D-8114 [56] CLAMP  
  2D-2567 [4] FLANGE  
  2D-7612 [4] WHEEL ASSEM.  
  2D-2568 [4] BASE  
  2D-2565 [4] SEAL  
  2D-2566 [4] RING  
  6K-0248 C [4] VALVE ASSEM.  
  2D-2632 [1] HOUSING (Internal Threads)  
  6D-0443 [1] HOUSING ASSEM. (External Threads)  
  2D-2628 [1] CORE  
  2D-2633 [1] CAP  
    (Parts of 6D443 Assem.)
  [1] STEM  
  2D-2631 [1] NUT  
  2D-2630 [1] WASHER  
  2D-2629 [1] GROMMET  
  C   INDICATES CHANGE
 

#UE0347800224
 

FRONT WHEELS AND TIRES

FRONT WHEELS AND TIRES--9.00 x 25 Tubeless Tires
Serial No. 99E4491 to 99E4561 inclusive
Refer also to Pages 155 through 157 for special parts
c71174 UE034780
None FRONT WHEELS AND TIRES Parts scheme
  For full view, you need register

Parts for your 12E MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  2D-2590 [2] RIM ASSEM.  
  2D-2589 [1] BASE  
  2D-2588 [1] FLANGE  
  2D-2587 [1] RING  
  2D-2586 [1] SEAL  
  7B-7229 [20] STUD  
    (10 IN EACH WHEEL ASSEM. 2D4129)
  4D-6171 [20] NUT  
  2D-2637 [20] CLAMP  
  3B-8489 [2] FITTING  
  2D-4134 [2] SLEEVE  
    (1 IN EACH WHEEL ASSEM. 2D4129)
  1B-3909 [2] CUP (OUTER)  
    (1 IN EACH WHEEL ASSEM. 2D4129)
  6H-3568 [2] CUP (INNER)  
    (1 IN EACH WHEEL ASSEM. 2D4129)
  2D-4129 [2] WHEEL ASSEM.  
  2D-2623 [2] VALVE ASSEM.  
  2D-2633 [1] CAP  
  2D-2628 [1] CORE  
  2D-2737 [1] STEM  
  2D-2634 [1] NUT  
  2D-2635 [1] GROMMET  
  2D-2636 [1] SPUD  
 

#UE0347800225
 

FRONT WHEELS AND TIRES

FRONT WHEELS AND TIRES--9.00 x 24 tubeless tires
Serial No. 99E4562 to 99E5819 inclusive
Refer also to Pages 155 through 157 for special parts
c71175 UE034780
None FRONT WHEELS AND TIRES Parts scheme
  For full view, you need register

Parts for your 12E MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  4D-1798 [2] BASE  
  4D-1797 [2] FLANGE  
  4D-1796 [2] RING  
  4D-6668 [2] SEAL  
  7B-7229 [20] STUD  
    (10 IN EACH WHEEL ASSEM. 2D4129)
  4D-6171 [20] NUT  
  2D-2637 [20] CLAMP  
  3B-8489 [2] FITTING  
  2D-4134 [2] SLEEVE  
    (1 IN EACH WHEEL ASSEM. 2D4129)
  1B-3909 [2] CUP (OUTER)  
    (1 IN EACH WHEEL ASSEM. 2D4129)
  6H-3568 [2] CUP (INNER)  
    (1 IN EACH WHEEL ASSEM. 2D4129)
  2D-4129 [2] WHEEL ASSEM.  
  2D-2623 [2] VALVE ASSEM.  
  2D-2633 [1] CAP  
  2D-2628 [1] CORE  
  2D-2737 [1] STEM  
  2D-2634 [1] NUT  
  2D-2635 [1] GROMMET  
  2D-2636 [1] SPUD  
 

#UE0347800226
 

FRONT WHEELS AND TIRES

FRONT WHEELS AND TIRES--13.00 x 24 Tubeless Tires
Serial No. 99E5820 to 99E8501 inclusive
Note: Quantities shown are those required for both R.H. and L.H. sides
c74860 UE034780
None FRONT WHEELS AND TIRES Parts scheme
  For full view, you need register

Parts for your 12E MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  2D-2567 [2] FLANGE  
  2D-2566 [2] RING  
  2D-2565 [2] SEAL  
  2D-2568 [2] BASE  
  7B-7229 [16] STUD  
    (8 IN EACH WHEEL ASSEM. 2D4146)
  4D-6171 [16] NUT  
  7B-7218 [16] CLAMP  
  3B-8489 [2] FITTING  
  1B-3909 [2] CUP (OUTER)  
  6H-3568 [2] CUP (INNER)  
  2D-4134 [2] SLEEVE  
    (1 OF EACH IN EACH WHEEL ASSEM. 2D4146)
  2D-4146 [2] WHEEL ASSEM.  
  2D-2564 [2] VALVE ASSEM.  
  2D-2633 [1] CAP  
  2D-2628 [1] CORE  
  2D-2632 [1] HOUSING  
  2D-2631 [1] NUT  
  2D-2630 [1] WASHER  
  2D-2629 [1] GROMMET  
  2D-2627 [1] SPUD  
 

#UE0347800227
 

FRONT WHEELS AND TIRES

FRONT WHEELS AND TIRES--13.00 x 24 Tubeless Tires
Effective with Serial No. 99E8502
Note: Quantities shown are those required for both R.H. and L.H. sides
c89171 UE034780
None FRONT WHEELS AND TIRES Parts scheme
  For full view, you need register

Parts for your 12E MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  2D-2567 [2] FLANGE  
  2D-2566 [2] RING  
  2D-2565 [2] SEAL  
  2D-2568 [2] BASE  
  2D-5238 [16] STUD  
    (8 in each Wheel Assem. 5D3335)
  4D-6171 [16] NUT  
  2D-8114 [16] CLAMP  
  3B-8489 [2] FITTING  
  1B-3909 [2] CUP (OUTER)  
  6H-3568 [2] CUP (INNER)  
  2D-4134 [2] SLEEVE  
    (1 of each in each Wheel Assem. 5D3335)
  5D-3335 [2] WHEEL ASSEM.  
  2D-2564 [2] VALVE ASSEM.  
  2D-2633 [1] CAP  
  2D-2628 [1] CORE  
  2D-2632 [1] HOUSING  
  2D-2631 [1] NUT  
  2D-2630 [1] WASHER  
  2D-2629 [1] GROMMET  
  2D-2627 [1] SPUD  
 

#UE0347800228
 

STEERING GEAR

STEERING GEAR
Serial No. 99E4491 to 99E5561 inclusive
3D6341 Steering Gear Assembly parts are shown on Page 94. Refer also to Page 174 for special parts
c80731 UE034780
None STEERING GEAR Parts scheme
  For full view, you need register

Parts for your 12E MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  3F-9631 [1] WHEEL  
  1D-5121 [1] NUT  
  3B-4514 [1] LOCKWASHER  
  1B-8714 [1] KEY  
  0S-1594 [3] BOLT  
  3B-4506 [3] LOCKWASHER  
  2D-9965 [1] BRACKET  
  2D-9966 [1] DISC  
  8B-2979 [1] GASKET  
  1D-4219 [1] ADJUSTER  
  0L-1732 [2] BOLT  
  1B-4205 [4] NUT  
  3B-4508 [4] LOCKWASHER  
  0S-1604 [1] BOLT  
  1B-4205 [1] NUT  
  3B-4508 [1] LOCKWASHER  
  4B-5231 [1] BRACKET  
  0T-0703 [3] BOLT  
  3B-4506 [3] LOCKWASHER  
  4B-5233 [1] SHAFT  
  5B-3529 [1] COLLAR  
  1B-8714 [3] KEY  
  0S-1748 [2] BOLT  
  1B-4203 [2] NUT  
  1D-3758 [2] BEARING  
  3B-8490 [2] FITTING  
  9F-8240 [1] BEARING  
  3B-8489 [1] FITTING  
  0S-1584 [2] BOLT  
  3B-4508 [2] LOCKWASHER  
  4B-3582 [2] SCREW  
  1D-4539 [1] BOLT  
  1D-4716 [1] NUT  
  3B-4505 [1] LOCKWASHER  
  3D-6341 Y [1] GEAR ASSEM.  
    (SEE SEPARATE ILLUS. FOR PARTS)
  0S-1599 [2] BOLT  
  2F-8867 [1] SHAFT  
  2F-8912 [1] ARM ASSEM.  
  5F-0255 [2] BEARING  
    (PART OF ARM ASSEM.)
  1B-4438 [2] NUT  
  [2] COTTER PIN  
  1F-1470 [1] CAP  
  3B-8488 [1] FITTING  
  2F-9009 [1] SHAFT  
  3B-8489 [1] FITTING  
  2F-9008 [1] BLOCK ASSEM.  
  1F-3738 [2] BUSHING  
    (PART OF BLOCK ASSEM.)
  2D-4250 [1] SHAFT ASSEM.  
  2D-4249 [1] SHAFT  
  2D-2982 [1] JOINT ASSEM.  
  2D-2976 [2] YOKE  
  2D-2978 [1] SPIDER & BRG. ASSEM.  
  5B-1017 [1] SHAFT  
  2D-2981 [1] JOINT ASSEM.  
  2D-2975 [1] YOKE  
  2D-2978 [1] SPIDER & BRG. ASSEM.  
  2D-2975 [1] YOKE  
  5B-1011 [1] COLLAR  
  5B-1014 [2] KEY  
  1A-4168 [1] NUT  
  3B-4520 [1] LOCKWASHER  
  Y   SEPARATE ILLUSTRATION
 

#UE0347800229
 

STEERING GEAR

STEERING GEAR
Serial No. 99E5562 to 99E5819 inclusive
3D6341 Steering Gear Assembly parts are shown on Page 94. Refer also to Page 174 for special parts
c84338 UE034780
None STEERING GEAR Parts scheme
  For full view, you need register

Parts for your 12E MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  2D-9965 [1] BRACKET  
  2D-9966 [1] DISC  
  8B-2979 [1] GASKET  
  0S-1594 [3] BOLT  
  3B-4506 [3] LOCKWASHER  
  4D-6680 [1] SHAFT  
  5B-3529 [1] COLLAR  
  1B-8714 [3] KEY  
  0S-1748 [2] BOLT  
  1B-4203 [2] NUT  
  1D-3758 [2] BEARING  
  3B-8490 [2] FITTING  
  3D-0416 [1] ADJUSTER  
  0L-1732 [2] BOLT  
  1B-4205 [4] NUT  
  3B-4508 [4] LOCKWASHER  
  0S-1604 [1] BOLT  
  1B-4205 [1] NUT  
  3B-4508 [1] LOCKWASHER  
  4B-5231 [1] BRACKET  
  0T-0703 [3] BOLT  
  3B-4506 [3] LOCKWASHER  
  4D-6679 [1] WHEEL  
  4D-0874 [1] COVER  
  2H-9458 [1] GASKET  
  5F-5442 [4] SCREW  
  1D-5121 [1] NUT  
  3B-4514 [1] LOCKWASHER  
  1B-8714 [1] KEY  
  2D-4250 [1] SHAFT ASSEM.  
  2D-4249 [1] SHAFT  
  2D-2982 [1] JOINT ASSEM.  
  2D-2976 [2] YOKE  
  2D-2978 [1] SPIDER AND BEARING ASSEM.  
  5B-1017 [1] SHAFT  
  2D-2981 [1] JOINT ASSEM.  
  2D-2975 [1] YOKE  
  2D-2978 [1] SPIDER AND BEARING ASSEM.  
  2D-2976 [1] YOKE  
  4B-3582 [2] SCREW  
  0S-1584 [2] BOLT  
  3B-4508 [2] LOCKWASHER  
  1D-4539 [1] BOLT  
  1D-4716 [1] NUT  
  3B-4505 [1] LOCKWASHER  
  9F-8240 [1] BEARING  
  3B-8489 [1] FITTING  
  0S-1599 [2] BOLT  
  5B-1011 [1] COLLAR  
  5B-1014 [2] KEY  
  2F-8867 [1] SHAFT  
  1A-4168 [1] NUT  
  3B-4520 [1] LOCKWASHER  
  2F-8912 [1] ARM ASSEM.  
  5F-0255 [2] BEARING  
    (PART OF ARM. ASSEM. 2F8912)
  1B-4438 [2] NUT  
  [2] COTTER PIN  
  1F-1470 [1] CAP  
  3B-8488 [1] FITTING  
  2F-9008 [1] BLOCK ASSEM.  
  1F-3738 [2] BUSHING  
    (PART OF BLOCK ASSEM. 2F9008)
  3B-8489 [1] FITTING  
  2F-9009 [1] SHAFT  
  3D-6341 Y [1] GEAR ASSEM.  
    (SEE SEPARATE ILLUSTRATION)
  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}

Caterpillar Parts SIS Catalog 12E :

BRAKE ASSEMBLY
4D-3276 BRAKE ASSEMBLY
4D-3275 BRAKE ASSEMBLY
HYDRAULIC WHEEL BRAKE
HYDRAULIC WHEEL BRAKE
HYDRAULIC WHEEL BRAKE
HYDRAULIC WHEEL BRAKE
MASTER CYLINDER ASSEMBLY
2D-9600 MASTER CYLINDER ASSEMBLY
BRAKE AS-CYLINDER
4B-8759 BRAKE AS-CYLINDER
HYDRAULIC BRAKE CONTROL
HYDRAULIC BRAKE CONTROL
HYDRAULIC BRAKE CONTROL
HYDRAULIC BRAKE CONTROL
BRAKE ASSEMBLY
4D-6274 BRAKE ASSEMBLY
CAP GP-HUB
3D-2329 CAP GP-HUB
REAR WHEELS AND TIRES
3D-8920 REAR WHEELS AND TIRES
FRONT WHEELS AND TIRES
FRONT WHEELS AND TIRES
FRONT WHEELS AND TIRES
FRONT WHEELS AND TIRES
FRONT WHEELS AND TIRES
FRONT WHEELS AND TIRES
FRONT WHEELS AND TIRES
FRONT WHEELS AND TIRES
STEERING GEAR
STEERING GEAR

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