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8D4740 HOOD GROUP--Factory Installation Part of 8D2930 Noise Suppression Arrangement listed on Page 129A 120


FRAME AND BODY
HOOD GP
FUEL SYSTEM
CONTROL GP-GOVERNOR
OPERATOR STATION
CONTROL GP-STEERING
POWER TRAIN
TRANSMISSION GP
WORK TOOLS
BLADE GP
BASIC ENGINE
MOUNTING GP-ENGINE
WORK TOOLS
BLADE GP

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

FRAME AND BODY

HOOD GP
HOOD AND DASH
HOOD AND DASH
HOOD GROUP
8D-4740 HOOD GROUP
 

#UEG0231S0410
 

8D-4740: HOOD GROUP

8D4740 HOOD GROUP--Factory Installation
Part of 8D2930 Noise Suppression Arrangement listed on Page 129A
c141029 UEG0231S
8D4740 HOOD GROUP Parts scheme
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Parts for your 120 MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 0L-1351 [24] BOLT  
2. 3B-4506 [36] LOCKWASHER  
3. 4B-4278 [34] WASHER  
4. 0S-1594 [4] BOLT  
5. 1D-4717 [14] NUT  
6. 8D-4687 [1] HOOD ASSEM.  
7. 5L-6766 [2] PLUG  
8. 8D-4534 [1] HOOD ASSEM.  
9. 8D-4778 [1] SUPPORT ASSEM.  
10. 2D-8465 [4] BOLT  
  3B-0723 [4] WING NUT  
  3B-4505 [4] LOCKWASHER  
  4B-5270 [4] WASHER  
11. 8D-4779 [1] SUPPORT ASSEM.  
12. 8D-0922 [1] PLATE (R.H.)  
  8D-4776 [1] PLATE (L.H.)  
13. 1A-7669 [3] BOLT (R.H. Side Flywheel Housing)  
  8D-7314 [3] PIPE  
  1D-4574 [3] BOLT (L.H. Side Flywheel Housing)  
  8D-4876 [3] SPACER  
  3B-4508 [6] LOCKWASHER  
  9B-1006 [2] WASHER (.1875 in. Thick)  
  4B-4280 [4] WASHER (.0937 in. Thick)  
14. 0L-1143 [4] BOLT  
  2M-8545 [2] SPACER  
15. 8D-4783 [2] STRAP  
16. 8D-4786 [2] BRACKET ASSEM.  
17. 0S-0509 [2] BOLT  
18. 5D-4098 [1] BRACKET  
19. 6D-7301 [1] BRACKET  
20. 0S-1588 [2] BOLT  
21. 8D-3590 [1] PLATE  
 

#UEG0231S0411
 

6D-7160: ACCELERATOR AND DECELERATOR CONTROL GROUP

6D7160 ACCELERATOR AND DECELERATOR CONTROL GROUP
c123734 UEG0231S
6D7160 ACCELERATOR AND DECELERATOR CONTROL GROUP Parts scheme
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Parts for your 120 MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1D-5117 [2] NUT  
2. 4H-2186 [1] TREADLE ASSEM.  
3. 4H-1232 [1] LEVER  
4. 1A-2209 [1] BOLT  
5. 3B-1915 C [4] BOLT  
  1D-4717 C [4] NUT  
  3B-4506 C [4] LOCKWASHER  
6. 4B-4278 C [4] WASHER  
7. 6D-7885 C [2] PLATE  
8. 6D-7884 C [2] BEARING ASSEM.  
9. 1B-8706 [2] KEY  
10. 4H-1243 [1] LEVER  
11. 4H-1230 [1] TREADLE ASSEM.  
12. 1D-4719 [1] NUT  
13. 2D-0103 [1] SHAFT  
14. 5B-2208 [1] BOLT  
15. 3D-4559 [1] TUBE ASSEM.  
16. 6B-7589 [1] SPRING  
17. 2D-6416 [1] WASHER  
18. 4F-9059 [1] SEAL  
19. 2D-6411 [1] ROD ASSEM.  
20. 3D-2193 [1] RETAINER  
21. 2D-6417 [1] RING  
22. 4D-9469 [1] SPRING  
23. 4H-1224 [1] TUBE ASSEM.  
24. 5B-1133 [1] PIN  
  3B-4607 [1] COTTER PIN  
25. 6D-5204 [1] ROD ASSEM.  
26. 5B-2279 [1] END  
27. 2B-0799 [1] END  
    (Parts of 6D5204 Rod Assem.)
  C   INDICATES CHANGE FROM PREVIOUS
 

#UEG0231S0412
 

8D-6610: STEERING GEAR COVER GROUP

8D6610 STEERING GEAR COVER GROUP--Factory Installation
Serial No. 10R2431-Up and 22R955-Up
c140117 UEG0231S
8D6610 STEERING GEAR COVER GROUP Parts scheme
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Parts for your 120 MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7B-8880 [7] LUG  
2. 5M-3062 [8] BOLT  
  6H-8351 [8] LOCKWASHER  
  4B-4278 [8] WASHER  
3. 3D-6751 [1] LUG  
4. 3D-6744 [1] COVER ASSEM.  
5. 4B-3388 [16] BOLT  
  3B-4505 [16] LOCKWASHER  
6. 4D-7219 [2] TUBE ASSEM.  
7. 5F-7054 [8] SEAL  
8. 1A-1952 [1] BOLT  
9. 3B-4508 [1] LOCKWASHER  
  9B-1006 [1] WASHER  
10. 3D-6731 [1] BLOCK  
11. 5S-8183 [1] HOSE ASSEM.  
  9S-0671 H HOSE 10"  
12. 3S-8617 [1] STEM ASSEM.  
13. 3S-8606 [2] SLEEVE  
14. 3S-8619 [1] STEM ASSEM. (30 degrees)  
15. 5S-8181 [1] HOSE ASSEM.  
  9S-0671 H HOSE 14.2"  
16. 3S-8617 [1] STEM ASSEM.  
17. 3S-8606 [2] SLEEVE  
18. 3S-8975 [1] STEM ASSEM. (90 degrees)  
  H   ORDER BY THE INCH
 

#UEG0231S0413
 

6D-6160: THIRD AND FOURTH REVERSE GEAR GROUP

6D6160 THIRD AND FOURTH REVERSE GEAR GROUP
Serial No. 10R1 to 10R2608 inclusive and 22R1 to 22R963 inclusive
Note: With 13.00 x 24 Tires the speeds are: Third-8.5 and Fourth-13.5 M.P.H.
With 14.00 x 24 Tires the speeds are: Third-9.2 and Fourth-14.3 M.P.H.
c121636 UEG0231S
6D6160 THIRD AND FOURTH REVERSE GEAR GROUP Parts scheme
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Parts for your 120 MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4D-4630 [1] PLATE (Instruction)  
2. 4D-2153 [1] SPACER  
3. 4D-2159 [1] GEAR (37 Teeth)  
4. 2F-5884 [2] ROLLER ASSEM.  
5. 2F-5910 [1] SLEEVE  
6. 4D-2219 [1] GEAR (28 & 30 Teeth)  
7. 3F-0014 [1] RING  
8. 3F-0019 [1] COLLAR  
9. 4D-2218 [1] GEAR (30 Teeth)  
10. 3F-0011 [1] DOWEL  
11. 5D-1068 [2] BOLT  
12. 4S-8743 LOCKWIRE 1 foot  
13. 5D-0966 [1] FORK  
14. 1B-8736 [1] KEY  
15. 5D-0973 [1] PLATE  
16. 6D-2176 [1] PLUNGER  
17. 1K-7041 [1] SPRING  
18. 5D-0967 [1] ARM  
19. 5D-0968 [1] RAIL  
20. 4D-2873 [1] SPACER  
21. 4D-2813 [1] SPRING  
22. 6D-2192 [1] PLUNGER  
 

#UEG0231S0414
 

8D-7630: THIRD AND FOURTH REVERSE GEAR GROUP

8D7630 THIRD AND FOURTH REVERSE GEAR GROUP
Serial No. 10R2609-Up and 22R964-Up
Note: With 13.00 x 24 Tires the speeds are: Third-8.5 and Fourth-13.5 M.P.H.
With 14.00 x 24 Tires the speeds are: Third-9.2 and Fourth-14.3 M.P.H.
c141288 UEG0231S
8D7630 THIRD AND FOURTH REVERSE GEAR GROUP Parts scheme
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Parts for your 120 MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4D-4630 [1] PLATE (Instruction)  
2. 4D-2153 [1] SPACER  
3. 4D-2159 [1] GEAR (37 Teeth)  
4. 2F-5884 [2] ROLLER ASSEM.  
5. 2F-5910 [1] SLEEVE  
6. 4D-2219 [1] GEAR (28 & 30 Teeth)  
7. 3F-0014 [1] RING  
8. 3F-0019 [1] COLLAR  
9. 4D-2218 [1] GEAR (30 Teeth)  
10. 3F-0011 [1] DOWEL  
11. 5D-1068 [2] BOLT  
12. 4S-8743 H LOCKWIRE 8 in.  
13. 5D-0966 [1] FORK  
14. 1B-8736 [1] KEY  
15. 5D-0973 [1] PLATE  
16. 6D-2176 [1] PLUNGER  
17. 1K-7041 [1] SPRING  
18. 5D-0967 [1] ARM  
19. 8D-4736 [1] RAIL  
20. 4D-2873 [1] SPACER  
21. 4D-2813 [1] SPRING  
22. 6D-2192 [1] PLUNGER  
  H   ORDER BY THE FOOT
 

#UEG0231S0415
 

7D-6610: POWER BLADE ARRANGEMENT

7D6610 POWER BLADE ARRANGEMENT--12 Foot
UEG0231S0415 UEG0231S
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Parts for your 120 MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  2D-3507 Y [1] CIRCLE GROUP  
  4D-8483 Y [1] BLADE CYLINDER ASSEMBLY  
  4D-8510 Y [1] BLADE BRACKET GROUP  
  5D-4790 Y [1] BLADE GROUP  
  7D-6470 Y [1] VALVE AND LINES GROUP  
  Y   SEPARATE ILLUSTRATION
 

#UEG0231S0416
 

7D-6615: POWER BLADE ARRANGEMENT

7D6615 POWER BLADE ARRANGEMENT--14 Foot
UEG0231S0416 UEG0231S
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Parts for your 120 MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  2D-3507 Y [1] CIRCLE GROUP  
  4D-8483 Y [1] BLADE CYLINDER ASSEMBLY  
  4D-8510 Y [1] BLADE BRACKET GROUP  
  5D-4800 Y [1] BLADE GROUP  
  7D-6470 Y [1] VALVE AND LINES GROUP  
  Y   SEPARATE ILLUSTRATION
 

#UEG0231S0417
 

4D-8510: SUPPORT GP-BLADE BRACKET

4D8510 BLADE BRACKET GROUP
Part of 7D6610 and 7D6615 Power Blade Arrangements
c147777 UEG0231S
4D8510 SUPPORT GP-BLADE BRACKET Parts scheme
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Parts for your 120 MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  1H-4478 [1] PIN  
  6H-0211 [2] WASHER  
  0L-1329 [1] BOLT (3" long)  
    -OR-
  1B-2886 [1] BOLT (3.75" long)  
  1D-4719 [1] NUT  
  3B-4508 [1] LOCKWASHER  
  5D-0131 [1] BRACKET (Right Hand)  
  6H-1717 [24] BOLT  
  3B-4508 [24] LOCKWASHER  
  5D-0133 [8] PLATE  
  5D-0134 [4] STRIP  
  5D-0132 [1] BRACKET (Left Hand)  
 

#UEG0231S0418
 

5D-4790: BLADE GP

5D4790 BLADE GROUP--12 Foot
Part of 7D6610 Power Blade Arrangement
c109520 UEG0231S
5D4790 BLADE GP Parts scheme
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Parts for your 120 MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  7D-2052 [2] END BIT  
  4F-3654 [10] BOLT  
  4K-0367 [10] NUT  
  5D-4734 [1] MOLDBOARD ASSEM.  
  5F-6073 [1] MOLDBOARD  
  7B-5030 [2] RAIL  
    (PARTS OF MOLDBOARD ASSEM. 5D4734)
  5D-9553 [2] CUTTING EDGE  
    (.625" THICK)
    -OR-
  5D-9558 H [2] CUTTING EDGE  
    (.750" THICK)
  4F-3654 [10] BOLT  
  4K-0367 [10] NUT  
  2D-6201 [1] BRACKET  
  2D-6341 [1] PIN  
  7B-2501 [1] RING  
  2A-1538 [4] BOLT  
  3B-4512 [4] LOCKWASHER  
  2R-5211 [1] STOP  
    (PART OF MOLDBOARD ASSEM. 5D4734)
  3F-5108 [26] BOLT  
  4K-0367 [26] NUT  
  H   NOT PART OF 5D4790 BLADE GROUP
 

#UEG0231S0419
 

5D-4800: BLADE GROUP

5D4800 BLADE GROUP--14 Foot
Part of 7D6615 Power Blade Arrangement listed on Page 132
c109521 UEG0231S
5D4800 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
  2D-6201 [1] BRACKET  
  7D-2052 C [2] END BIT  
  4F-3654 C [10] BOLT  
  4K-0367 C [10] NUT  
  5D-9554 C [2] CUTTING EDGE  
    (.625" THICK)
    -OR-
  5D-9559 CH [2] CUTTING EDGE  
    (.750" THICK)
  2D-6341 [1] PIN  
  7B-2501 [1] RING  
  2A-1538 [4] BOLT  
  3B-4512 [4] LOCKWASHER  
  3F-5108 C [30] BOLT  
  4K-0367 C [30] NUT  
  5D-4735 [1] MOLDBOARD ASSEM.  
  2R-5211 [1] STOP  
    (PART OF MOLDBOARD ASSEM. 5D4735)
  C   INDICATES CHANGE FROM PREVIOUS
  H   NOT PART OF 5D4800 BLADE GROUP
 

Information:

Disassembly and Assembly
Hood
NO. 120 & NO. 140 ENGINE

Caterpillar Parts SIS Catalog 120 :

FAN DRIVE GROUP
2P-5662 FAN DRIVE GROUP
FAN DRIVE GROUP
2P-5662 FAN DRIVE GROUP
8S-7746 RADIATOR GROUP
RADIATOR GROUP
8S-7746 RADIATOR GROUP
8S-7746 RADIATOR GROUP
RADIATOR GROUP
8S-7746 RADIATOR GROUP
MUFFLER GROUP
2P-5610 MUFFLER GROUP
RADIATOR GUARD AND SUPPORT GROUP
8D-1300 RADIATOR GUARD AND SUPPORT GROUP
ACCELERATOR AND DECELERATOR CONTROL GROUP
6D-7160 ACCELERATOR AND DECELERATOR CONTROL GROUP
STEERING GEAR COVER GROUP
8D-6610 STEERING GEAR COVER GROUP
THIRD AND FOURTH REVERSE GEAR GROUP
6D-6160 THIRD AND FOURTH REVERSE GEAR GROUP
THIRD AND FOURTH REVERSE GEAR GROUP
8D-7630 THIRD AND FOURTH REVERSE GEAR GROUP
7D-6610 POWER BLADE ARRANGEMENT
7D-6615 POWER BLADE ARRANGEMENT
SUPPORT GP-BLADE BRACKET
4D-8510 SUPPORT GP-BLADE BRACKET
BLADE GP
5D-4790 BLADE GP

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