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2D4257 HYDRAULIC STEERING BOOSTER GROUP Part of all Hydraulic Control Arrangements and 2D4495 Hydraulic Steering Booster Arrangement listed on Pages 160, 161 and 197. 2D6198 Steering Gear and 2D2150 12E


OPERATOR STATION
CONTROL GP-STEERING
HYDRAULIC SYSTEM
VALVE GP

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

OPERATOR STATION

CONTROL GP-STEERING
STEERING GEAR ASSEMBLY
2D-6198 STEERING GEAR ASSEMBLY
2D-6198 STEERING GEAR ASSEMBLY
HYDRAULIC STEERING BOOSTER GROUP
2D-4257 HYDRAULIC STEERING BOOSTER GROUP
STEERING GEAR GROUP
4D-7291 STEERING GEAR GROUP
STEERING GEAR GROUP
4D-7291 STEERING GEAR GROUP
STEERING GEAR GROUP
4D-7291 STEERING GEAR GROUP
 

#UE0347800540
 

2D-4257: HYDRAULIC STEERING BOOSTER GROUP

2D4257 HYDRAULIC STEERING BOOSTER GROUP
Part of all Hydraulic Control Arrangements and 2D4495 Hydraulic Steering Booster
Arrangement listed on Pages 160, 161 and 197. 2D6198 Steering Gear and 2D2150
c60840 UE034780
2D4257 HYDRAULIC STEERING BOOSTER GROUP Parts scheme
  For full view, you need register

Parts for your 12E MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  2D-2976 [1] YOKE  
    (PART OF ASSEM. 2D2982)
  2D-2975 [1] YOKE  
    (PART OF ASSEM. 2D2981)
  1B-8714 [1] KEY  
  7F-6696 [2] FITTING  
  2D-1076 [1] CLAMP  
  0L-1351 [1] BOLT  
  3B-4506 [1] LOCKWASHER  
  0T-0431 [1] WASHER  
  2D-2235 [1] TUBE ASSEM.  
  3F-2953 [1] FITTING  
  3H-1883 [1] NUT  
  3H-1834 [1] SLEEVE  
    (PARTS OF FITTING 3D2953)
  5H-3125 [3] CLAMP  
  0S-0509 [3] BOLT  
  3B-4506 [3] LOCKWASHER  
  2D-2238 [1] TUBE ASSEM.  
  2A-3223 [1] BOLT  
  1B-4205 [1] NUT  
  3B-4508 [2] LOCKWASHER  
  0S-1595 [1] BOLT  
  2D-2150 Y [1] FILTER GRP.  
    (SEE SEPARATE ILLUS. FOR PARTS)
  [1] HOSE  
  2K-0190 [2] FLANGE  
  1A-2029 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
  2D-2303 [1] HOSE ASSEM.  
  5F-6916 [6] CLAMP  
  1B-0581 [6] BOLT  
  1B-4202 [6] NUT  
  2D-0121 [2] STEM  
  5F-1678 [2] SEAL  
  0S-1603 [2] BOLT  
  1B-4205 [2] NUT  
  3B-4508 [2] LOCKWASHER  
  2D-1076 [1] CLAMP  
  0L-1351 [1] BOLT  
  3B-4506 [1] LOCKWASHER  
  0T-0431 [1] WASHER  
  2D-4259 [1] TUBE ASSEM.  
  2D-6198 Y [1] GEAR ASSEM.  
    (SEE SEPARATE ILLUS. FOR PARTS)
  1D-4539 [1] BOLT  
  1D-4716 [1] NUT  
  3B-4505 [1] LOCKWASHER  
  2D-4261 [1] TUBE ASSEM.  
  5H-0275 [2] NUT  
  5H-0273 [2] SLEEVE  
    (1 OF EACH IN EACH ASSEM. 2D4261 & 2D4259)
  1B-4206 [4] NUT  
  3B-4510 [4] LOCKWASHER  
  2D-2978 [2] SPIDER & BRG. ASSEM.  
    (1 IN EACH ASSEM. 2D2981 & 2D2982)
  2D-2976 [2] YOKE  
    (1 IN EACH ASSEM. 2D2981 & 2D2982)
  2D-4258 [1] SHAFT ASSEM.  
  2D-4249 [1] SHAFT  
  2D-2982 [1] JOINT ASSEM.  
  6F-9105 [1] SHAFT  
  2D-2981 [1] JOINT ASSEM.  
  Y   SEPARATE ILLUSTRATION
 

#UE0347800541
 

4D-7291: STEERING GEAR GROUP

4D7291 STEERING GEAR GROUP--Type 1
Effective with Serial No. 99E5820
4D7289 Steering Gear Assembly parts are shown on Page 174D
Only separate parts serviced
c88351 UE034780
4D7291 STEERING GEAR GROUP 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 [2] NUT  
  3B-4508 [2] 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  
  9F-8240 [1] BEARING  
  3B-8489 [1] FITTING  
  8B-3004 [1] GASKET  
  8B-3008 [1] WORM  
  8B-3005 [4] SHIM (.010" THICK)  
  8B-3006 [2] SHIM (.005" THICK)  
  8B-3014 [1] CAGE ASSEM.  
    (MOUNTED ON STEERING COLUMN)
  8B-2881 [1] CUP  
    (PART OF CAGE ASSEM. 8B3014)
  4D-7317 [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  
  0S-1625 [2] BOLT  
  1D-4720 [2] NUT  
  3B-4510 [2] LOCKWASHER  
  4D-7213 [1] COUPLING  
  3D-6711 [1] LOCK  
  5M-5016 [2] NUT  
  3D-0403 [1] WASHER  
  4D-7214 [1] SHAFT  
  3D-0404 [1] WASHER  
  1A-4168 [1] NUT  
  3B-4520 [1] LOCKWASHER  
  4D-7293 [1] ARM  
  3D-4505 [2] BEARING  
  1B-4438 [2] NUT  
  [2] COTTER PIN  
  1F-1470 [1] CAP  
  3B-8488 [1] FITTING  
  4D-7399 [1] BLOCK ASSEM.  
  4D-7398 [2] BEARING  
    (PART OF BLOCK ASSEM. 4D7399)
  3B-8489 [1] FITTING  
  2F-9009 [1] SHAFT  
  4D-7289 Y [1] GEAR ASSEM.  
    (SEE SEPARATE ILLUSTRATION)
  1D-4539 [1] BOLT  
  1D-4716 [1] NUT  
  3B-4505 [1] LOCKWASHER  
  Y   SEPARATE ILLUSTRATION
 

#UE0347800542
 

4D-7291: STEERING GEAR GROUP

4D7291 STEERING GEAR GROUP--Type 2
Effective with Serial No. 99E5820
4D7289 Steering Gear Assembly parts are shown on Page 174D
Only separate parts serviced
c88352 UE034780
4D7291 STEERING GEAR GROUP 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 [2] NUT  
  3B-4508 [2] 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  
  9F-8240 [1] BEARING  
  3B-8489 [1] FITTING  
  8B-3008 [1] WORM  
  8B-3005 [4] SHIM (.010" THICK)  
  8B-3006 [2] SHIM (.005" THICK)  
  5D-0325 [1] CAGE ASSEM.  
    (MOUNTED ON STEERING COLUMN)
  8B-2881 [1] CUP  
    (PART OF CAGE ASSEM. 5D325)
  4D-7317 [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-3583 [2] SCREW  
  0S-1584 [2] BOLT  
  3B-4508 [2] LOCKWASHER  
  0S-1625 [2] BOLT  
  1D-4720 [2] NUT  
  3B-4510 [2] LOCKWASHER  
  4D-7213 [1] COUPLING  
  3D-6711 [1] LOCK  
  5M-5016 [2] NUT  
  3D-0403 [1] WASHER  
  4D-7214 [1] SHAFT  
  3D-0404 [1] WASHER  
  1A-4168 [1] NUT  
  3B-4520 [1] LOCKWASHER  
  4D-7293 [1] ARM  
  3D-4505 [2] BEARING  
  1B-4438 [2] NUT  
  [2] COTTER PIN  
  1F-1470 [1] CAP  
  3B-8488 [1] FITTING  
  4D-7399 [1] BLOCK ASSEM.  
  4D-7398 [2] BEARING  
    (PART OF BLOCK ASSEM. 4D7399)
  3B-8489 [1] FITTING  
  2F-9009 [1] SHAFT  
  4D-7289 Y [1] GEAR ASSEM.  
    (SEE SEPARATE ILLUSTRATION)
  1D-4539 [1] BOLT  
  1D-4716 [1] NUT  
  3B-4505 [1] LOCKWASHER  
  Y   SEPARATE ILLUSTRATION
 

#UE0347800543
 

4D-7291: STEERING GEAR GROUP

4D7291 STEERING GEAR GROUP--Type 3
Effective with Serial No. 99E5820
4D7289 Steering Gear Assembly parts are shown on Page 174D
Only separate parts serviced
c88353 UE034780
4D7291 STEERING GEAR GROUP 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 [2] NUT  
  3B-4508 [2] 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  
  9F-8240 [1] BEARING  
  3B-8489 [1] FITTING  
  8B-3008 [1] WORM  
  8B-3005 [4] SHIM (.010" THICK)  
  8B-3006 [2] SHIM (.005" THICK)  
  5D-0325 [1] CAGE ASSEM.  
    (MOUNTED ON STEERING COLUMN)
  8B-2881 [1] CUP  
    (PART OF CAGE ASSEM. 5D325)
  4D-7317 [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-3583 [2] SCREW  
  0S-1584 [2] BOLT  
  3B-4508 [2] LOCKWASHER  
  0S-1625 [2] BOLT  
  1D-4720 [2] NUT  
  3B-4510 [2] LOCKWASHER  
  4D-7213 [1] COUPLING  
  3D-6711 [1] LOCK  
  5M-5016 [2] NUT  
  3D-0403 [1] WASHER  
  4D-7214 [1] SHAFT  
  3D-0404 [1] WASHER  
  1A-4168 [1] NUT  
  3B-4520 [1] LOCKWASHER  
  5D-1996 [1] ARM ASSEM.  
  3D-4505 [2] BEARING  
    (PART OF ARM ASSEM. 5D1996)
  1B-4438 [1] NUT  
  [1] COTTER PIN  
  1F-1470 [1] CAP  
  3B-8488 [1] FITTING  
  3D-0407 [1] BLOCK  
  3D-4505 [2] BEARING  
  3D-4905 [1] NUT  
  3B-8489 [1] FITTING  
  4D-7389 [1] SHAFT  
  4D-7289 Y [1] GEAR ASSEM.  
    (SEE SEPARATE ILLUSTRATION)
  1D-4539 [1] BOLT  
  1D-4716 [1] NUT  
  3B-4505 [1] LOCKWASHER  
  Y   SEPARATE ILLUSTRATION
 

#UE0347800544
 

4D-7289: STEERING GEAR ASSEMBLY

4D7289 STEERING GEAR ASSEMBLY
Part of 4D7291 Steering Gear Group shown on Pages 174A, 174B and 174C
c84592 UE034780
4D7289 STEERING GEAR ASSEMBLY Parts scheme
  For full view, you need register

Parts for your 12E MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  5B-8093 [1] COVER  
  4D-9282 [1] SHAFT ASSEM.  
  5H-1935 [4] BOLT  
  7F-7711 [1] BLOCK  
  7F-7712 [1] SPRING  
  7F-7713 [2] ROLLER  
  5B-0745 [1] SHIM (.010" THICK)  
  5B-0744 [1] SHIM (.005" THICK)  
  2F-0212 [1] SHIM (.003" THICK)  
  5H-1935 [6] BOLT  
  8B-7225 [1] KEY  
  7F-7710 [1] CUP  
  6B-2689 [2] CAGE ASSEM.  
  5B-0758 [2] DOWEL  
  7F-7715 [1] WORM  
  6B-2695 [1] CUP  
  5L-4019 [1] RING  
  4D-9278 [1] HOUSING ASSEM.  
  2D-9668 [2] BEARING  
    (PART OF HOUSING ASSEM. 4D9278)
  4D-9277 [1] SEAL  
  7F-7714 [1] SHAFT  
  2D-9526 [1] NUT  
  2D-9522 [1] SCREW  
    (PART OF SHAFT ASSEM. 4D9282)
  2D-9530 [1] COVER ASSEM.  
  4D-9276 [1] GASKET  
  2B-7408 [1] PLUG  
    (PART OF HOUSING ASSEM. 4D9278)
  2D-9524 [1] SCREW  
  2D-9523 [1] WASHER  
    (PARTS OF SHAFT ASSEM. 4D9282)
  2D-9528 [1] BEARING  
    (PART OF COVER ASSEM. 2D9530)
  2D-9525 [1] PLUG ASSEM.  
    (PART OF COVER ASSEM. 2D9530)
  4D-7849 [1] SEAL  
 

#UE0347800545
 

4D-7291: STEERING GEAR GROUP

4D7291 STEERING GEAR GROUP--TYPE 4
EFFECTIVE WITH SERIAL NO. 99E5820
5D9502 STEERING GEAR PARTS ARE SHOWN ON PAGE 174G. ONLY SEPARATE PARTS SERVICED
c95897 UE034780
4D7291 STEERING GEAR GROUP 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 [2] NUT  
  3B-4508 [2] 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  
  9F-8240 [1] BEARING  
  3B-8489 [1] FITTING  
  8B-3008 [1] WORM  
  8B-3005 [4] SHIM (.010" THICK)  
  8B-3006 [2] SHIM (.005" THICK)  
  5D-0325 [1] CAGE ASSEM.  
    (MOUNTED ON STEERING COLUMN)
  8B-2881 [1] CUP  
    (PART OF CAGE ASSEM. 5D325)
  4D-7317 [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-3583 [2] SCREW  
  0S-1584 [2] BOLT  
  3B-4508 [2] LOCKWASHER  
  0S-1625 [4] BOLT  
  1D-4720 [4] NUT  
  3B-4510 [4] LOCKWASHER  
  4D-7213 [1] COUPLING  
  3D-6711 [1] LOCK  
  5M-5016 [2] NUT  
  3D-0403 [1] WASHER  
  4D-7214 [1] SHAFT  
  3D-0404 [1] WASHER  
  1A-4168 [1] NUT  
  3B-4520 [1] LOCKWASHER  
  5D-1996 [1] ARM ASSEM.  
  3D-4505 [2] BEARING  
    (PART OF ARM ASSEM. 5D1996)
  1B-4438 [1] NUT  
  [1] COTTER PIN  
  1F-1470 [1] CAP  
  3B-8488 [1] FITTING  
  3D-0407 [1] BLOCK  
  3D-4505 [2] BEARING  
  3D-4905 [1] NUT  
  3B-8489 [1] FITTING  
  4D-7389 [1] SHAFT  
  5D-9502 Y [1] GEAR ASSEM.  
    (SEE SEPARATE ILLUSTRATION)
  1D-4539 [1] BOLT  
  1D-4716 [1] NUT  
  3B-4505 [1] LOCKWASHER  
  Y   SEPARATE ILLUSTRATION
 

#UE0347800546
 

4D-7291: STEERING GEAR GROUP

4D7291 STEERING GEAR GROUP--Type 5
Effective with Serial No. 99E5820
5D9502 Gear parts are shown on Page 174G Only separate parts serviced
c98552 UE034780
4D7291 STEERING GEAR GROUP 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 [2] NUT  
  3B-4508 [2] 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  
  9F-8240 [1] BEARING  
  3B-8489 [1] FITTING  
  8B-3008 [1] WORM  
  8B-3005 [4] SHIM (.010" THICK)  
  8B-3006 [2] SHIM (.005" THICK)  
  5D-0325 [1] CAGE ASSEM.  
    (MOUNTED ON STEERING COLUMN)
  8B-2881 [1] CUP  
    (PART OF CAGE ASSEM. 5D325)
  4D-7317 [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-3583 [2] SCREW  
  0S-1584 [2] BOLT  
  3B-4508 [2] LOCKWASHER  
  0S-1625 [4] BOLT  
  1D-4720 [4] NUT  
  3B-4510 [4] LOCKWASHER  
  4D-7213 [1] COUPLING  
  3D-6711 [1] LOCK  
  5M-5016 [2] NUT  
  3D-0403 [1] WASHER  
  4D-7214 [1] SHAFT  
  3D-0404 [1] WASHER  
  1A-4168 [1] NUT  
  3B-4520 [1] LOCKWASHER  
  5D-1996 [1] ARM ASSEM.  
  3D-4505 [2] BEARING  
    (PART OF ARM ASSEM. 5D1996)
  1B-4438 [1] NUT  
  [1] COTTER PIN  
  1F-1470 [1] CAP  
  3B-8488 [1] FITTING  
  6D-1599 C [1] BLOCK  
  3D-4905 [1] NUT  
  3B-8489 [1] FITTING  
  6D-1644 C [1] SHAFT  
  5D-9502 Y [1] GEAR ASSEM.  
    (SEE SEPARATE ILLUSTRATION)
  1D-4539 [1] BOLT  
  1D-4716 [1] NUT  
  3B-4505 [1] LOCKWASHER  
  C   INDICATE CHANGE FROM PREVIOUS
  Y   SEPARATE ILLUSTRATION
 

#UE0347800547
 

4D-7291: STEERING GEAR GROUP

4D7291 STEERING GEAR GROUP--Type 6
Effective with Serial No. 99E5820
5D9502 Gear parts are shown on Page 174G. Only separate parts serviced
c134235 UE034780
4D7291 STEERING GEAR GROUP 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 [2] NUT  
  3B-4508 [2] 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  
  9F-8240 [1] BEARING  
  3B-8489 [1] FITTING  
  8B-3008 [1] WORM  
  8B-3005 [4] SHIM (.010" THICK)  
  8B-3006 [2] SHIM (.005" THICK)  
  5D-0325 [1] CAGE ASSEM.  
    (MOUNTED ON STEERING COLUMN)
  8B-2881 [1] CUP  
    (PART OF CAGE ASSEM. 5D325)
  4D-7317 [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-3583 [2] SCREW  
  0S-1584 [2] BOLT  
  3B-4508 [2] LOCKWASHER  
  0S-1625 [4] BOLT  
  1D-4720 [4] NUT  
  3B-4510 [4] LOCKWASHER  
  4D-7213 [1] COUPLING  
  7D-7387 [1] LOCK  
  7D-7401 [2] NUT  
  3D-0403 [1] WASHER  
  7D-7386 [1] SHAFT  
  3D-0404 [1] WASHER  
  1A-4168 [1] NUT  
  3B-4520 [1] LOCKWASHER  
  5D-1996 [1] ARM ASSEM.  
  3D-4505 [2] BEARING  
    (PART OF ARM ASSEM. 5D1996)
  1B-4438 [1] NUT  
  [1] COTTER PIN  
  1F-1470 [1] CAP  
  3B-8488 [1] FITTING  
  6D-1599 [1] BLOCK  
  3D-4905 [1] NUT  
  3B-8489 [1] FITTING  
  6D-1644 [1] SHAFT  
  5D-9502 Y [1] GEAR ASSEM.  
    (SEE SEPARATE ILLUSTRATION)
  1D-4539 [1] BOLT  
  1D-4716 [1] NUT  
  3B-4505 [1] LOCKWASHER  
  Y   SEPARATE ILLUSTRATION
 

#UE0347800548
 

5D-9502: STEERING GEAR ASSEMBLY

5D9502 STEERING GEAR ASSEMBLY
PART OF 4D7291 STEERING GEAR GROUP SHOWN ON PAGES 174E & 174F
c95898 UE034780
5D9502 STEERING GEAR ASSEMBLY Parts scheme
  For full view, you need register

Parts for your 12E MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  5B-8093 [1] COVER  
  4D-9282 [1] SHAFT ASSEM.  
  5H-1935 [4] BOLT  
  7F-7711 [1] BLOCK  
  7F-7712 [1] SPRING  
  7F-7713 [2] ROLLER  
  5B-0745 [1] SHIM (.010" THICK)  
  5B-0744 [1] SHIM (.005" THICK)  
  2F-0212 [1] SHIM (.003" THICK)  
  5H-1935 [6] BOLT  
  8B-7225 [1] KEY  
  7F-7710 [1] CUP  
  6B-2689 [2] CAGE ASSEM.  
  5B-0758 [2] DOWEL  
  7F-7715 [1] WORM  
  6B-2695 [1] CUP  
  5L-4019 [1] RING  
  5D-9501 [1] HOUSING ASSEM.  
  2D-9668 [2] BEARING  
    (PART OF HOUSING ASSEM. 5D9501)
  4D-9277 [1] SEAL  
  7F-7714 [1] SHAFT  
  2D-9526 [1] NUT  
  2D-9522 [1] SCREW  
    (PART OF SHAFT ASSEM. 4D9282)
  2D-9530 [1] COVER ASSEM.  
  4D-9276 [1] GASKET  
  2B-7408 [1] PLUG  
    (PART OF HOUSING ASSEM. 5D9501)
  2D-9524 [1] SCREW  
  2D-9523 [1] WASHER  
    (PARTS OF SHAFT ASSEM. 4D9282)
  2D-9528 [1] BEARING  
    (PART OF COVER ASSEM. 2D9530)
  2D-9525 [1] PLUG ASSEM.  
    (PART OF COVER ASSEM. 2D9530)
  4D-7849 [1] SEAL  
 

#UE0347800549
 

4H-0442: VALVE ASSEMBLY

4H442 VALVE ASSEMBLY--TYPE 2
PART OF 5H6980, 5D20 & 5H4520 PUMP GROUPS SHOWN ON
PAGES 176, 176A AND 198
c87905 UE034780
4H0442 VALVE ASSEMBLY Parts scheme
  For full view, you need register

Parts for your 12E MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  3H-6249 [1] RETAINER  
  3H-2549 [6] SHIM  
  3J-8861 [1] SPACER  
  3H-0107 [1] SEAL  
  4F-7115 [1] SPRING  
  1J-8497 [1] VALVE  
  4J-6800 [1] BODY  
  7F-8698 [2] BOLT  
  3B-4507 [2] LOCKWASHER  
  5F-1678 [2] SEAL  
  0L-1142 [1] SPRING  
  4D-0830 [1] BODY GROUP  
  [1] VALVE  
  [1] HOUSING  
  6F-5559 [1] SEAL  
  0S-1588 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  4H-0441 [1] BASE  
 

Information:

Service Magazine
New Metering Pump Groups For Steering Control Prevent Oil Leaks {4300, 4301, 4312}
2010/08/19

Caterpillar Parts SIS Catalog 12E :

2D-6198 STEERING GEAR ASSEMBLY
STEERING GEAR ASSEMBLY
2D-6198 STEERING GEAR ASSEMBLY
SNOW PLOW CONTROL LINKAGE GROUP
2D-0430 SNOW PLOW CONTROL LINKAGE GROUP
LINKAGE GROUP
2D-0460 LINKAGE GROUP
HYDRAULIC STEERING CONVERSION GROUP
6D-5695 HYDRAULIC STEERING CONVERSION GROUP
6D-2651 STEERING GEAR ASSEMBLY
STEERING GEAR ASSEMBLY
6D-2651 STEERING GEAR ASSEMBLY
RIPPER CONTROL LINKAGE GROUP
4D-9393 RIPPER CONTROL LINKAGE GROUP
STEERING GEAR GROUP
4D-7291 STEERING GEAR GROUP
STEERING GEAR GROUP
4D-7291 STEERING GEAR GROUP
STEERING GEAR GROUP
4D-7291 STEERING GEAR GROUP
STEERING GEAR ASSEMBLY
4D-7289 STEERING GEAR ASSEMBLY
STEERING GEAR GROUP
4D-7291 STEERING GEAR GROUP
STEERING GEAR GROUP
4D-7291 STEERING GEAR GROUP
STEERING GEAR GROUP
4D-7291 STEERING GEAR GROUP
STEERING GEAR ASSEMBLY
5D-9502 STEERING GEAR ASSEMBLY

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