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CIRCLE (5D3390 N/S) Serial No. 10R1 to 10R1139 inclusive Refer also to Page 132 for special parts 120


IMPLEMENTS
CIRCLE GP
HYDRAULIC SYSTEM
CENTERSHIFT GP
WORK TOOLS
BLADE GP

MOTOR GRADER 120 MOTOR GRADER 10R
 120 MOTOR GRADER 10R00001-02881 (MACHINE) UEG0231S 120 10R   (1969)

IMPLEMENTS

CIRCLE GP
CIRCLE
5D-3390 CIRCLE
CIRCLE
5D-3390 CIRCLE
CIRCLE GROUP
2D-3507 CIRCLE GROUP
CIRCLE GROUP
2D-3507 CIRCLE GROUP
 

#UEG0231S0190
 

5D-3390: CIRCLE

CIRCLE (5D3390 N/S)
Serial No. 10R1 to 10R1139 inclusive
Refer also to Page 132 for special parts
c109514 UEG0231S
5D3390 CIRCLE Parts scheme
  For full view, you need register

Parts for your 120 MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  3B-9055 [1] GASKET  
  7D-4482 [1] COVER  
  1A-7486 [2] NUT  
  3B-9056 [2] LOCK  
  6D-9164 [1] SHAFT  
  1B-1785 [1] SEAL  
  6D-9619 [1] GEAR (36 TEETH)  
  4H-7588 [1] HOUSING ASSEM.  
  2D-0283 [2] BALLSTUD  
    (PART OF BAR ASSEM. 2D7896)
  6B-7006 [1] GASKET  
  6D-9447 [1] PINION  
  4B-3604 [4] SET SCREW  
  1D-5119 [4] NUT  
  8F-6124 [4] BOLT  
  3D-4524 [4] NUT  
  9M-2828 [4] WASHER  
  6B-3164 [2] SPACER  
    (PART OF DRAWBAR ASSEM. 1F4193)
  5D-9745 [2] SHOE  
  3B-5623 [12] SHIM  
  6B-3176 [1] CIRCLE ASSEM.  
  1D-4612 [4] BOLT (4" LONG)  
    (.75" NATIONAL COARSE)
  1B-8589 [4] LOCKWASHER  
  0L-1328 [2] BOLT (4" LONG)  
    (.75" NATIONAL FINE)
  3D-8659 [2] NUT  
  0S-1897 [3] BOLT (2.25" LONG)  
  7B-5163 [2] BOLT (4.75" LONG)  
  1B-4207 [5] NUT  
  3B-4512 [5] LOCKWASHER  
  5D-6201 [1] SHOE (RIGHT HAND)  
  5D-6459 [6] SHIM (RIGHT HAND)  
  6B-3158 [1] SHOE (LEFT HAND)  
  4B-5810 [6] SHIM (LEFT HAND)  
  6D-3301 [2] SPACER  
  6B-3173 [1] BEAM (RIGHT HAND)  
  6B-3174 [1] BEAM (LEFT HAND)  
  4B-5801 [2] WASHER  
    (PARTS OF CIRCLE ASSEM. 6B3176)
  3D-4442 [1] SHAFT  
  1D-1158 [1] KEY  
  4F-3985 [1] SLEEVE  
  3B-2275 [1] KEY  
  1B-4439 [1] NUT  
  3B-4618 [1] COTTER PIN  
  0S-1590 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  1D-6488 [1] CAP  
  1D-6489 [1] GASKET  
  2B-8162 [1] DOWEL  
    (PART OF HOUSING ASSEM. 4H7588)
  2D-7896 [1] BAR ASSEM.  
    (PART OF DRAWBAR ASSEM. 1F4193)
  [1] BAR ASSEM.  
  4H-7805 [2] BALLSTUD  
    (PARTS OF BAR ASSEM. 2D7896)
  5D-3281 [1] SHAFT  
  9S-1354 [1] NUT  
  3B-4510 [1] LOCKWASHER  
  1B-8714 [1] KEY  
  4D-1608 [2] SEAL  
  5B-7575 [1] HOUSING ASSEM.  
  0S-1593 [4] BOLT  
  3B-4508 [4] LOCKWASHER  
  3H-8509 [2] BUSHING  
  1D-5342 [2] PIN  
    (PARTS OF HOUSING ASSEM. 5B7575)
  8F-7424 [1] WORM  
  4F-3749 [2] WASHER  
  2F-1072 [2] BEARING  
    (PART OF HOUSING ASSEM. 4H7588)
  4D-1608 [1] SEAL  
  5D-3283 [2] COUPLING  
  1A-4590 [3] RING  
  6F-7002 [3] PIN  
  0S-1588 [5] BOLT  
  3B-4506 [5] LOCKWASHER  
  2B-7457 [1] PLUG  
  4B-4550 [1] FITTING  
  2B-7410 [2] PLUG  
  1F-4193 [1] DRAWBAR ASSEM  
  [2] NUT (WELD)  
  4B-5782 [1] CONNECTION  
    (PARTS OF DRAWBAR ASSEM. 1F4193)
  8B-8283 [1] BOLT  
  7F-9263 [1] CAP  
  3B-8490 [2] FITTING  
  6B-5310 [1] BOLT  
  1B-4207 [1] NUT  
  8B-8282 [1] LOCK  
  3B-4512 [1] LOCKWASHER  
  4B-5772 [1] GASKET  
  1A-2029 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
  4B-5816 [1] COVER ASSEM.  
  3H-8510 [2] BUSHING  
  3B-0645 [2] PLUG  
    (PARTS OF COVER ASSEM. 4B5816)
  4B-5797 [1] SHAFT ASSEM.  
  4B-5806 [1] SHAFT  
  4B-5795 [1] GEAR (18 TEETH)  
  1B-8714 [1] KEY  
  5D-3343 [1] SHAFT ASSEM.  
  5D-3282 [1] SHAFT  
  4B-5795 [1] GEAR (18 TEETH)  
  1B-8714 [1] KEY  
 

#UEG0231S0191
 

5D-3390: CIRCLE

CIRCLE (5D3390 N/S)
Effective with Serial No. 10R1140
Refer also to Page 132 for special parts
c132294 UEG0231S
5D3390 CIRCLE Parts scheme
  For full view, you need register

Parts for your 120 MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  3B-9055 [1] GASKET  
  7D-4482 [1] COVER  
  1A-7486 [2] NUT  
  3B-9056 [2] LOCK  
  6D-9164 [1] SHAFT  
  1B-1785 [1] SEAL  
  6D-9619 [1] GEAR (36 TEETH)  
  4H-7588 [1] HOUSING ASSEM.  
  2D-0283 [2] BALLSTUD  
    (PART OF BAR ASSEM. 2D7896)
  6B-7006 [1] GASKET  
  6D-9447 [1] PINION  
  4B-3604 [4] SET SCREW  
  1D-5119 [4] NUT  
  8F-6124 [4] BOLT  
  3D-4524 [4] NUT  
  9M-2828 [4] WASHER  
  6B-3164 [2] SPACER  
    (PART OF DRAWBAR ASSEM. 1F4193)
  5D-9745 [2] SHOE  
  3B-5623 [12] SHIM  
  6B-3176 [1] CIRCLE ASSEM.  
  1D-4612 [4] BOLT (4" LONG)  
    (.75" NATIONAL COARSE)
  1B-8589 [4] LOCKWASHER  
  0L-1328 [2] BOLT (4" LONG)  
    (.75" NATIONAL FINE)
  3D-8659 [2] NUT  
  0S-1897 [3] BOLT (2.25" LONG)  
  7B-5163 [2] BOLT (4.75" LONG)  
  1B-4207 [5] NUT  
  3B-4512 [5] LOCKWASHER  
  5D-6201 [1] SHOE (RIGHT HAND)  
  5D-6459 [6] SHIM (RIGHT HAND)  
  6B-3158 [1] SHOE (LEFT HAND)  
  4B-5810 [6] SHIM (LEFT HAND)  
  6D-3301 [2] SPACER  
  6B-3173 [1] BEAM (RIGHT HAND)  
  6B-3174 [1] BEAM (LEFT HAND)  
  4B-5801 [2] WASHER  
    (PARTS OF CIRCLE ASSEM. 6B3176)
  7D-7078 [1] SHAFT  
  7D-7076 [1] SLEEVE  
  3D-8659 [1] NUT  
  0S-1590 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  1D-6488 [1] CAP  
  1D-6489 [1] GASKET  
  2B-8162 [1] DOWEL  
    (PART OF HOUSING ASSEM. 4H7588)
  2D-7896 [1] BAR ASSEM.  
    (PART OF DRAWBAR ASSEM. 1F4193)
  [1] BAR ASSEM.  
  4H-7805 [2] BALLSTUD  
    (PARTS OF BAR ASSEM. 2D7896)
  7D-7054 [1] SHAFT  
  4D-1608 [2] SEAL  
  9S-1354 [1] NUT  
  3B-4510 [1] LOCKWASHER  
  1B-8714 [1] KEY  
  5B-7575 [1] HOUSING ASSEM.  
  0S-1593 [4] BOLT  
  3B-4508 [4] LOCKWASHER  
  7D-9836 [1] SHIM  
  3H-8509 [2] BUSHING  
  1D-5342 [2] PIN  
    (PARTS OF HOUSING ASSEM. 5B7575)
  7D-7075 [1] WORM  
  4F-3749 [2] WASHER  
  2F-1072 [2] BEARING  
    (PART OF HOUSING ASSEM. 4H7588)
  4D-1608 [1] SEAL  
  7D-7055 [2] COUPLING  
  1A-4590 [3] RING  
  6F-7002 [3] PIN  
  0S-1588 [5] BOLT  
  3B-4506 [5] LOCKWASHER  
  2B-7457 [1] PLUG  
  4B-4550 [1] FITTING  
  2B-7410 [2] PLUG  
  1F-4193 [1] DRAWBAR ASSEM.  
  [2] NUT (WELD)  
  4B-5782 [1] CONNECTION  
    (PARTS OF DRAWBAR ASSEM. 1F4193)
  8B-8283 [1] BOLT  
  7F-9263 [1] CAP  
  3B-8490 [2] FITTING  
  6B-5310 [1] BOLT  
  1B-4207 [1] NUT  
  8B-8282 [1] LOCK  
  3B-4512 [1] LOCKWASHER  
  4B-5772 [1] GASKET  
  1A-2029 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
  4B-5816 [1] COVER ASSEM.  
  3H-8510 [2] BUSHING  
  3B-0645 [2] PLUG  
    (PARTS OF COVER ASSEM. 4B5816)
  4B-5797 [1] SHAFT ASSEM.  
  4B-5806 [1] SHAFT  
  4B-5795 [1] GEAR (18 TEETH)  
  1B-8714 [1] KEY  
  7D-7077 [1] SHAFT ASSEM.  
  4B-5795 [1] GEAR (18 Teeth)  
  1B-8714 [1] KEY  
    (Parts of 7D7077 Assem.)
 

#UEG0231S0192
 

CENTERSHIFT

CENTERSHIFT
Refer also to Page 141 for special parts
c108978 UEG0231S
None CENTERSHIFT Parts scheme
  For full view, you need register

Parts for your 120 MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  3B-5066 [1] SLEEVE  
  1B-4439 [1] NUT  
  3B-4618 [1] COTTER PIN  
  3B-5067 [1] SHAFT  
  3B-2275 [1] KEY  
  1D-6488 [1] CAP  
  1D-6489 [1] GASKET  
  0S-1590 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  6F-2320 [2] BUSHING  
    (PART OF HOUSING ASSEM. 8F7971)
  1B-4518 [1] NUT  
  3B-4632 [1] COTTER PIN  
  3B-5058 [1] SLEEVE  
  2D-1659 [1] RACK  
  8F-6390 [1] SHIM (.0598" THICK)  
  8F-6391 [10] SHIM (.010" THICK)  
  1A-2029 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  2D-7838 [1] BALLSTUD  
  7D-2267 [1] LINK ASSEM.  
  7D-2137 [1] SOCKET  
    (PART OF 7D2267 ASSEM.)
  6B-3226 [1] CAP  
  3B-6082 [6] SHIM  
  3B-8489 [2] FITTING  
  0S-1625 [2] BOLT  
  3B-4510 [2] LOCKWASHER  
  7B-2503 [1] PIN  
  7B-2499 [1] RING  
  2B-7410 [2] PLUG  
  7D-2199 [1] SLEEVE ASSEM.  
  7D-2136 [1] SOCKET  
    (PART OF 7D2199 ASSEM.)
  3B-9970 [1] WORM  
  1D-1158 [1] KEY  
  3B-7037 [2] WASHER  
  4D-1608 [1] SEAL  
  9S-1354 [1] NUT  
  3B-4510 [1] LOCKWASHER  
  1B-8714 [1] KEY  
  8F-7422 [1] GEAR (32 TEETH)  
  6H-2448 [2] PLATE  
  3D-2149 [1] PINION (9 TEETH)  
  3D-2148 [1] KEY  
  5F-5434 [1] VENT  
  3B-9971 [1] COVER  
  3B-5054 [1] GASKET  
  0S-2318 [4] BOLT  
  1B-4206 [4] NUT  
  3B-4510 [4] LOCKWASHER  
  0L-2119 [4] WASHER  
  3B-8489 [1] FITTING  
  8F-7971 [1] HOUSING ASSEM.  
  3B-5068 [1] PIN  
  3B-4627 [1] COTTER PIN  
  1F-2338 [1] BUSHING  
    (PART OF HOUSING ASSEM. 8F7971)
  8S-9092 [8] BOLT (2.25" LONG)  
  1D-4720 [8] NUT  
  3B-4510 [10] LOCKWASHER  
  5D-9514 [2] BOLT (6.25" LONG)  
  1D-4720 [2] NUT  
  5M-9738 [1] SEAL  
  7D-6091 [1] RAIL  
  6F-6992 [1] CAP  
  7F-1327 [6] SHIM  
  1A-8063 [2] BOLT  
  3B-4512 [2] LOCKWASHER  
 

#UEG0231S0193
 

5D-2220: BLADE GROUP

5D2220 BLADE GROUP--12 Foot
Refer also to Pages 132, 142 and 143 for special parts
c109519 UEG0231S
5D2220 BLADE 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. 5D-2219 [1] MOLDBOARD ASSEM.  
2. 5D-2216 [4] BRACKET  
3. 5D-2215 [8] PLATE  
    (Parts of 5D2219 Assem.)
4. 1D-4494 [2] LINK  
  0M-0393 [2] WASHER  
5. 0T-0603 [2] BOLT  
  1B-4208 [2] NUT  
  3B-4514 [2] LOCKWASHER  
6. 7B-2504 [2] PIN  
  7B-2500 [2] RING  
7. 7D-2052 [2] END BIT  
8. 3F-5108 C [26] BOLT  
9. 4K-0367 C [36] NUT  
10. 7B-2505 [2] PIN  
  7B-2501 [2] RING  
11. 5D-9553 C [2] CUTTING EDGE (.625" Thick)  
    -OR-
  5D-9558 CH [2] CUTTING EDGE (.750" Thick)  
12. 4F-3654 C [10] BOLT  
  C   INDICATES CHANGE FROM PREVIOUS
  H   NOT PART OF 5D2220 BLADE GROUP
 

#UEG0231S0194
 

8B-3455: BLADE LIFT

BLADE LIFT (8B3455 N/S)
Serial No. 10R1 to 10R1787 inclusive and 22R1 to 22R906 inclusive
c109011 UEG0231S
8B3455 BLADE LIFT Parts scheme
  For full view, you need register

Parts for your 120 MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  7F-6269 [1] GEAR (Right Hand)  
  6F-5201 [1] GEAR (Left Hand)  
    (42 Teeth)
  4D-6471 [2] HOUSING ASSEM.  
  5F-5434 [2] VENT ASSEM.  
  4D-3967 [2] BUSHING  
  0S-1565 [20] BOLT  
  1B-4206 [20] NUT  
  4B-7054 [20] LOCK  
  4D-6472 [2] DOWEL  
  4J-6925 [12] STUD  
    (1/2 of each in each Housing Assem. 4D6471)
  1F-7958 [22] NUT  
  3B-4508 [22] LOCKWASHER  
  4D-6334 [2] GASKET  
  0S-1571 C [4] BOLT  
  3B-4506 C [4] LOCKWASHER  
  7D-4025 C [2] CLAMP  
  7D-4024 C [2] CLAMP (Tapped)  
  1F-2828 [2] BEARING  
    (1 in each Housing Assem. 4D6471)
  3B-8489 [2] FITTING  
  3D-0490 [10] STUD  
  4D-6473 [4] DOWEL  
    (1/2 of each in each Housing Assem. 4D6471)
  5B-0841 [4] BOLT  
  6B-6683 [4] NUT  
  3B-4510 [4] LOCKWASHER  
  4D-2137 [2] SCREW  
  2B-7410 [4] PLUG  
  6F-7058 [2] NUT  
  3B-5662 [2] BALL STUD  
    (1 in each Arm Assem. 8B3454)
  3B-8489 [4] FITTING  
  7D-2136 [2] SOCKET  
    (1 in each Sleeve Assem. 7D2196)
  8B-3454 [2] ARM ASSEM.  
  4D-6086 [2] KEY  
  7B-2503 [2] PIN  
  7B-2499 [2] RING (Snap)  
  0T-0320 [8] BOLT  
  3B-4507 [8] LOCKWASHER  
  8B-3450 [2] CAP  
  3B-8489 [2] FITTING  
  3B-7384 [2] EXTENSION  
  4D-1626 [2] SHAFT  
  3D-4719 [2] SHELL  
  3D-4718 [4] BEARING  
  9S-1351 [4] BOLT  
  1B-4332 [4] NUT  
  3B-4514 [4] LOCKWASHER  
  7D-2196 [2] SLEEVE ASSEM.  
  1A-0224 [2] BOLT  
  1B-4208 [2] NUT  
  7D-2438 [2] LINK ASSEM.  
  7D-2135 [2] SOCKET  
    (One in each 7D2438 Assem.)
  6F-6992 [4] CAP  
  1A-8063 [8] BOLT  
  3B-4512 [8] LOCKWASHER  
  7F-1327 [30] SHIM  
  C   INDICATES CHANGE FROM PREVIOUS
 

#UEG0231S0195
 

8B-3455: BLADE LIFT

BLADE LIFT (8B3455 N/S)--Sectional Rear View of Gear Housing
Serial No. 10R1 to 10R1787 inclusive and 22R1 to 22R906 inclusive
c143102 UEG0231S
8B3455 BLADE LIFT Parts scheme
  For full view, you need register

Parts for your 120 MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  3D-9194 [2] GEAR (16 Teeth)  
  4D-6337 [4] GASKET  
  1A-2029 [4] BOLT  
  1B-4218 [4] WASHER  
  3B-8486 [2] FITTING  
  1A-2029 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  4B-7075 [2] WASHER  
  4D-5998 [2] PINION (15 Teeth)  
  5D-9512 [2] HOUSING ASSEM.  
  1A-2029 [4] BOLT  
  3B-4506 [18] LOCKWASHER  
  5B-0150 [2] WASHER  
  1F-2369 [2] BUSHING  
  1F-2834 [4] BUSHING  
    (1/2 of each in each Housing Assem. 2D1262)
  4D-5997 [2] PINION (14 Teeth)  
  4B-7073 [2] SPACER  
  1K-4706 [2] WASHER  
  1B-4440 [2] NUT  
  3B-4618 [2] COTTER PIN  
  0L-1017 [2] NUT  
  1A-4749 [2] LOCK  
  6F-0307 [2] KEY  
  1D-5152 [2] GEAR (60 Teeth)  
  1F-2027 [2] BUSHING  
    (1 in each Housing Assem. 4B7066)
  1D-4566 [8] BOLT  
  2D-1262 [2] HOUSING ASSEM.  
  4D-6336 [2] GASKET  
  4B-7077 [2] GASKET  
  5D-3961 [2] BLOCK  
  3B-6966 [4] LINING  
  4D-6335 [2] GASKET  
  4B-7064 [2] SHAFT  
  4B-7066 [2] HOUSING ASSEM.  
  2B-7409 [2] PLUG  
  0S-1588 [14] BOLT  
  5D-4085 [2] BOLT  
  4D-6432 [2] NUT  
  8H-3526 [2] WASHER  
  0T-0270 [2] SPRING  
  0T-0768 [4] BOLT  
  3B-4507 [4] LOCKWASHER  
  5D-9511 [4] DOWEL  
    (2 in each Housing Assem. 5D9512)
  1B-5174 [2] PLUG  
  4H-5128 [2] PIN  
  5B-5059 [4] BOLT  
  3B-4507 [4] LOCKWASHER  
  5D-7339 [2] COUPLING  
  4K-4114 [2] SEAL  
  1F-2733 [2] BEARING  
    (1 in each Housing Assem. 5D9512)
  5D-7338 [2] SHAFT  
  5D-3963 [4] SHOE  
  1D-5117 [2] NUT  
  3B-4508 [2] LOCKWASHER  
  9B-1006 [2] WASHER  
  1B-8710 [2] KEY  
  5D-3962 C [2] BOLT  
  4B-4280 [2] WASHER  
  4H-7969 [4] BEARING  
  4B-7901 [4] PIN  
  4D-2132 [2] PLATE  
  3H-4025 [2] CAP  
  0S-1587 [8] BOLT  
  3B-4508 [16] LOCKWASHER  
  4D-6335 [2] GASKET  
  6B-6911 [1] WORM  
    (Right Hand)
  6B-6912 [1] WORM  
    (Left Hand)
  C   INDICATES CHANGE
 

#UEG0231S0196
 

8B-3455: BLADE LIFT

BLADE LIFT (8B3455 N/S)--Side View--Part 1 of 2
Serial No. 10R1788 to 10R1884 inclusive and 22R907 to 22R917 inclusive
c136000 UEG0231S
8B3455 BLADE LIFT Parts scheme
  For full view, you need register

Parts for your 120 MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  7F-6269 [1] GEAR (Right Hand)  
  6F-5201 [1] GEAR (Left Hand)  
    (42 Teeth)
  4D-6471 [2] HOUSING ASSEM.  
  5F-5434 [2] VENT ASSEM.  
  4D-3967 [2] BUSHING  
  0S-1565 [20] BOLT  
  1B-4206 [20] NUT  
  4B-7054 [20] LOCK  
  4D-6472 [2] DOWEL  
  4J-6925 [12] STUD  
    (1/2 of each in each Housing Assem. 4D6471)
  1F-7958 [22] NUT  
  3B-4508 [22] LOCKWASHER  
  4D-6334 [2] GASKET  
  0S-1571 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
  7D-4025 [2] CLAMP  
  7D-4024 [2] CLAMP (Tapped)  
  1F-2828 [2] BEARING  
    (1 in each Housing Assem. 4D6471)
  3B-8489 [2] FITTING  
  3D-0490 [10] STUD  
  4D-6473 [4] DOWEL  
    (1/2 of each in each Housing Assem. 4D6471)
  5B-0841 [4] BOLT  
  6B-6683 [4] NUT  
  3B-4510 [4] LOCKWASHER  
  4D-2137 [2] SCREW  
  2B-7410 [4] PLUG  
  6F-7058 [2] NUT  
  3B-5662 [2] BALL STUD  
    (1 in each Arm Assem. 8B3454)
  3B-8489 [4] FITTING  
  7D-2136 [2] SOCKET  
    (1 in each Sleeve Assem. 7D2196
  8B-3454 [2] ARM ASSEM.  
  4D-6086 [2] KEY  
  5D-8161 [2] PIN  
  5D-8159 [2] PIN ASSEM.  
  0T-0320 [8] BOLT  
  3B-4507 [8] LOCKWASHER  
  8B-3450 [2] CAP  
  3B-8489 [2] FITTING  
  3B-7384 [2] EXTENSION  
  4D-1626 [2] SHAFT  
  7D-7849 [2] BEARING  
  9S-1351 [4] BOLT  
  1B-4332 [4] NUT  
  3B-4514 [4] LOCKWASHER  
  7D-2196 [2] SLEEVE ASSEM.  
  1A-0224 [2] BOLT  
  1B-4208 [2] NUT  
  7D-2438 [2] LINK ASSEM.  
  7D-2135 [2] SOCKET  
    (One in each 7D2438 Assem.)
  6F-6992 [4] CAP  
  1A-8063 [8] BOLT  
  3B-4512 [8] LOCKWASHER  
  7F-1327 [30] SHIM  
 

#UEG0231S0197
 

8B-3455: BLADE LIFT

BLADE LIFT (8B3455 N/S)--Sectional Rear View of Gear Housing--Part 2 of 2
Serial No. 10R1788 to 10R1884 inclusive and 22R907 to 22R917 inclusive
c143102 UEG0231S
8B3455 BLADE LIFT Parts scheme
  For full view, you need register

Parts for your 120 MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  3D-9194 [2] GEAR (16 Teeth)  
  4D-6337 [4] GASKET  
  1A-2029 [4] BOLT  
  1B-4218 [4] WASHER  
  3B-8486 [2] FITTING  
  1A-2029 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  4B-7075 [2] WASHER  
  4D-5998 [2] PINION (15 Teeth)  
  5D-9512 [2] HOUSING ASSEM.  
  1A-2029 [4] BOLT  
  3B-4506 [18] LOCKWASHER  
  5B-0150 [2] WASHER  
  1F-2369 [2] BUSHING  
  1F-2834 [4] BUSHING  
    (1/2 of each in each Housing Assem. 2D1262)
  4D-5997 [2] PINION (14 Teeth)  
  4B-7073 [2] SPACER  
  1K-4706 [2] WASHER  
  1B-4440 [2] NUT  
  3B-4618 [2] COTTER PIN  
  0L-1017 [2] NUT  
  1A-4749 [2] LOCK  
  6F-0307 [2] KEY  
  1D-5152 [2] GEAR (60 Teeth)  
  1F-2027 [2] BUSHING  
    (1 in each Housing Assem. 4B7066)
  1D-4566 [8] BOLT  
  2D-1262 [2] HOUSING ASSEM.  
  4D-6336 [2] GASKET  
  4B-7077 [2] GASKET  
  5D-3961 [2] BLOCK  
  3B-6966 [4] LINING  
  4D-6335 [2] GASKET  
  4B-7064 [2] SHAFT  
  4B-7066 [2] HOUSING ASSEM.  
  2B-7409 [2] PLUG  
  0S-1588 [14] BOLT  
  5D-4085 [2] BOLT  
  4D-6432 [2] NUT  
  8H-3526 [2] WASHER  
  0T-0270 [2] SPRING  
  0T-0768 [4] BOLT  
  3B-4507 [4] LOCKWASHER  
  5D-9511 [4] DOWEL  
    (2 in each Housing Assem. 5D9512)
  1B-5174 [2] PLUG  
  4H-5128 [2] PIN  
  5B-5059 [4] BOLT  
  3B-4507 [4] LOCKWASHER  
  5D-7339 [2] COUPLING  
  4K-4114 [2] SEAL  
  1F-2733 [2] BEARING  
    (1 in each Housing Assem. 5D9512)
  5D-7338 [2] SHAFT  
  5D-3963 [4] SHOE  
  1D-5117 [2] NUT  
  3B-4508 [2] LOCKWASHER  
  9B-1006 [2] WASHER  
  1B-8710 [2] KEY  
  5D-3962 C [2] BOLT  
  4B-4280 [2] WASHER  
  4H-7969 [4] BEARING  
  4B-7901 [4] PIN  
  4D-2132 [2] PLATE  
  3H-4025 [2] CAP  
  0S-1587 [8] BOLT  
  3B-4508 [16] LOCKWASHER  
  4D-6335 [2] GASKET  
  6B-6911 [1] WORM  
    (Right Hand)
  6B-6912 [1] WORM  
    (Left Hand)
  C   INDICATES CHANGE
 

#UEG0231S0198
 

8B-3455: BLADE LIFT

BLADE LIFT (8B3455 N/S)--Side View--Part 1 of 2
Serial No. 10R1885 to 10R1983 inclusive and 22R918 to 22R922 inclusive
c136250 UEG0231S
8B3455 BLADE LIFT Parts scheme
  For full view, you need register

Parts for your 120 MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  7F-6269 [1] GEAR (Right Hand)  
  6F-5201 [1] GEAR (Left Hand)  
    (42 Teeth)
  4D-6471 [2] HOUSING ASSEM.  
  5F-5434 [2] VENT ASSEM.  
  4D-3967 [2] BUSHING  
  0S-1565 [20] BOLT  
  1B-4206 [20] NUT  
  4B-7054 [20] LOCK  
  4D-6472 [2] DOWEL  
  4J-6925 [12] STUD  
    (1/2 of each in each Housing Assem. 4D6471)
  1F-7958 [22] NUT  
  3B-4508 [22] LOCKWASHER  
  4D-6334 [2] GASKET  
  0S-1571 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
  7D-4025 [2] CLAMP  
  7D-4024 [2] CLAMP (Tapped)  
  1F-2828 [2] BEARING  
    (1 in each Housing Assem. 4D6471)
  3B-8489 [2] FITTING  
  3D-0490 [10] STUD  
  4D-6473 [4] DOWEL  
    (1/2 of each in each Housing Assem. 4D6471)
  5B-0841 [4] BOLT  
  6B-6683 [4] NUT  
  3B-4510 [4] LOCKWASHER  
  4D-2137 [2] SCREW  
  2B-7410 [4] PLUG  
  6F-7058 [2] NUT  
  7D-8245 [2] BALL STUD  
    (1 in each Arm Assem. 8D1384)
  3B-8489 [4] FITTING  
  7D-2136 [2] SOCKET  
    (1 in each Sleeve Assem. 7D2196)
  8D-1384 [2] ARM ASSEM.  
  5D-8161 [2] PIN  
  5D-8159 [2] PIN ASSEM.  
  0T-0320 [8] BOLT  
  3B-4507 [8] LOCKWASHER  
  8B-3450 [2] CAP  
  3B-8489 [2] FITTING  
  3B-7384 [2] EXTENSION  
  7D-7602 [2] SHAFT  
  7D-7849 [2] BEARING  
  2H-3855 [4] BOLT  
  6D-0392 [2] RETAINER  
  3B-4508 [4] LOCKWASHER  
  7D-2196 [2] SLEEVE ASSEM.  
  1A-0224 [2] BOLT  
  1B-4208 [2] NUT  
  7D-2438 [2] LINK ASSEM.  
  7D-2135 [2] SOCKET  
    (One in each 7D2438 Assem.)
  6F-6992 [4] CAP  
  1A-8063 [8] BOLT  
  3B-4512 [8] LOCKWASHER  
  7F-1327 [30] SHIM  
 

#UEG0231S0199
 

8B-3455: BLADE LIFT

BLADE LIFT (8B3455 N/S)--Sectional Rear View of Gear Housing--Part 2 of 2
Serial No. 10R1885 to 10R1983 inclusive and 22R918 to 22R922 inclusive
c143102 UEG0231S
8B3455 BLADE LIFT Parts scheme
  For full view, you need register

Parts for your 120 MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  3D-9194 [2] GEAR (16 Teeth)  
  4D-6337 [4] GASKET  
  1A-2029 [4] BOLT  
  1B-4218 [4] WASHER  
  3B-8486 [2] FITTING  
  1A-2029 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  4B-7075 [2] WASHER  
  4D-5998 [2] PINION (15 Teeth)  
  5D-9512 [2] HOUSING ASSEM.  
  1A-2029 [4] BOLT  
  3B-4506 [18] LOCKWASHER  
  5B-0150 [2] WASHER  
  1F-2369 [2] BUSHING  
  1F-2834 [4] BUSHING  
    (1/2 of each in each Housing Assem. 2D1262)
  4D-5997 [2] PINION (14 Teeth)  
  4B-7073 [2] SPACER  
  1K-4706 [2] WASHER  
  1B-4440 [2] NUT  
  3B-4618 [2] COTTER PIN  
  0L-1017 [2] NUT  
  1A-4749 [2] LOCK  
  6F-0307 [2] KEY  
  1D-5152 [2] GEAR (60 Teeth)  
  1F-2027 [2] BUSHING  
    (1 in each Housing Assem. 4B7066)
  1D-4566 [8] BOLT  
  2D-1262 [2] HOUSING ASSEM.  
  4D-6336 [2] GASKET  
  4B-7077 [2] GASKET  
  5D-3961 [2] BLOCK  
  3B-6966 [4] LINING  
  4D-6335 [2] GASKET  
  4B-7064 [2] SHAFT  
  4B-7066 [2] HOUSING ASSEM.  
  2B-7409 [2] PLUG  
  0S-1588 [14] BOLT  
  5D-4085 [2] BOLT  
  4D-6432 [2] NUT  
  8H-3526 [2] WASHER  
  0T-0270 [2] SPRING  
  0T-0768 [4] BOLT  
  3B-4507 [4] LOCKWASHER  
  5D-9511 [4] DOWEL  
    (2 in each Housing Assem. 5D9512)
  1B-5174 [2] PLUG  
  4H-5128 [2] PIN  
  5B-5059 [4] BOLT  
  3B-4507 [4] LOCKWASHER  
  5D-7339 [2] COUPLING  
  4K-4114 [2] SEAL  
  1F-2733 [2] BEARING  
    (1 in each Housing Assem. 5D9512)
  5D-7338 [2] SHAFT  
  5D-3963 [4] SHOE  
  1D-5117 [2] NUT  
  3B-4508 [2] LOCKWASHER  
  9B-1006 [2] WASHER  
  1B-8710 [2] KEY  
  5D-3962 C [2] BOLT  
  4B-4280 [2] WASHER  
  4H-7969 [4] BEARING  
  4B-7901 [4] PIN  
  4D-2132 [2] PLATE  
  3H-4025 [2] CAP  
  0S-1587 [8] BOLT  
  3B-4508 [16] LOCKWASHER  
  4D-6335 [2] GASKET  
  6B-6911 [1] WORM  
    (Right Hand)
  6B-6912 [1] WORM  
    (Left Hand)
  C   INDICATES CHANGE
 

Information:

Special Instruction
Installation of Circle Repair Segments For Certain Motor Graders {6152, 6152}
Installation of Circle Repair Segments For Certain Motor Graders {6152, 6152}
Specifications
Circle Centershift
NO. 120 & NO. 140 POWER CONTROL
Disassembly and Assembly
Circle Assembly And Blade
NO. 120 & NO. 140 MOTOR GRADERS VEHICLE SYSTEMS
Circle Drawbar
NO. 120 & NO. 140 MOTOR GRADERS VEHICLE SYSTEMS
Circle Reverse Transfer Gear Housing
NO. 120 & NO. 140 MOTOR GRADERS VEHICLE SYSTEMS
Circle Reverse Gear Housing
NO. 120 & NO. 140 MOTOR GRADERS VEHICLE SYSTEMS
Circle Centershift Rack
NO. 120 & NO. 140 MOTOR GRADERS VEHICLE SYSTEMS
Circle Centershift Housing
NO. 120 & NO. 140 MOTOR GRADERS VEHICLE SYSTEMS
Service Magazine
One-Piece Shaft And Lower Brace Made From A Tube Are Now Used In The Circle And Beam Assembly{6154}
1980/04/14
Circle Assembly Replacement Segments Available {6152}
1985/09/16
Circle Repair Segments Available{6152,6154}
1990/04/16
Special Instruction, SEHS7268, "Installation of Circle Repair Segments" Is Now Available {6152, 6154}
2004/05/03
Circle Tooth Profile and the Correct Use of Templates for the Installation of Circle Segments For Certain Motor Graders {6152, 6152}
2012/03/20

Caterpillar Parts SIS Catalog 120 :

JOINT ASSEMBLY
8D-1564 JOINT ASSEMBLY
JOINT ASSEMBLY
8D-1503 JOINT ASSEMBLY
SHAFT GP-CONTROL
4B-8580 SHAFT GP-CONTROL
5D-5850 POWER CONTROL
POWER CONTROL
5D-5850 POWER CONTROL
5D-5850 POWER CONTROL
POWER CONTROL
5D-5850 POWER CONTROL
5D-5850 POWER CONTROL
CIRCLE
5D-3390 CIRCLE
CENTERSHIFT
CENTERSHIFT
BLADE GROUP
5D-2220 BLADE GROUP
BLADE LIFT
8B-3455 BLADE LIFT
BLADE LIFT
8B-3455 BLADE LIFT
BLADE LIFT
8B-3455 BLADE LIFT
8B-3455 BLADE LIFT
BLADE LIFT
8B-3455 BLADE LIFT

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