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AIR CLEANER (7S6748 N/S)--Dry Type--Type 2 Refer also to Page 107 for special parts 120 MOTOR GRADER


AIR INLET AND EXHAUST SYSTEM
AIR CLEANER GP
MANIFOLD GP-EXHAUST
MUFFLER GP
BASIC ENGINE
CYLINDER HEAD GP
CYLINDER BLOCK GP

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

AIR INLET AND EXHAUST SYSTEM

AIR CLEANER GP
AIR CLEANER
AIR CLEANER
AIR CLEANER GP
7S-6748 AIR CLEANER GP
AIR CLEANER EXTENSION GROUP
7D-7320 AIR CLEANER EXTENSION GROUP
PRESCREENER GP
5M-2734 PRESCREENER GP
AIR CLEANER GROUP
1P-2814 AIR CLEANER GROUP
 

#UEG0231S0010
 

7S-6748: AIR CLEANER GP

AIR CLEANER (7S6748 N/S)--Dry Type--Type 2
Refer also to Page 107 for special parts
c145153 UEG0231S
7S6748 AIR CLEANER GP Parts scheme
  For full view, you need register

Parts for your 120 MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  3B-7264 [1] NIPPLE  
  5S-1212 [1] INDICATOR  
  4M-0310 [1] PRECLEANER  
  1M-7249 [1] COVER ASSEM.  
  1M-7250 [1] BODY  
  9M-6738 [1] CLAMP  
  2P-9624 [1] BASE ASSEM.  
  1S-5163 [1] BOLT  
  1D-4717 [8] NUT  
  3B-4506 [8] LOCKWASHER  
  9M-1827 [1] AIR CLEANER  
  9M-3695 [2] ROD ASSEM.  
    (PART OF AIR CLEANER 9M1827)
  4M-4299 [1] GASKET  
    (PART OF ELEMENT 2S1286)
  4M-4299 [1] GASKET  
  9M-4895 [1] CUP ASSEM.  
  2S-1286 [1] ELEMENT  
    (SECONDARY)
  4M-9334 [1] ELEMENT  
    (PRIMARY)
    (PARTS OF AIR CLEANER 9M1827)
  9M-8513 [1] GASKET  
    (PART OF CUP ASSEM. 9M4895)
 

#UEG0231S0011
 

MANIFOLD

MANIFOLD
c109502 UEG0231S
None MANIFOLD Parts scheme
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Parts for your 120 MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5S-6735 [1] GASKET  
2. 7S-3625 [1] PIPE ASSEM.  
3. 5M-6214 [1] PLUG  
4. 7M-1674 [1] ELEMENT  
    (Parts of 7S3625 Pipe Assem.)
5. 0S-1588 [4] BOLT  
6. 3B-4506 [4] LOCKWASHER  
7. 7S-6427 [1] PIPE ASSEM.  
8. 0S-1571 [4] BOLT  
9. 1B-5355 [16] NUT  
10. 5L-4544 [2] EYE  
11. 8M-7145 [12] WASHER  
12. 9S-2355 C [1] MANIFOLD  
13. 5S-5880 [5] LOCK  
14. 5S-5881 [2] LOCK  
15. 8S-8258 [6] GASKET  
  C   INDICATES CHANGE FROM PREVIOUS
 

#UEG0231S0012
 

MUFFLER

MUFFLER
c109484 UEG0231S
None MUFFLER Parts scheme
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Parts for your 120 MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. [2] BOLT  
  [2] NUT  
2. [1] MUFFLER  
3. [1] PIPE  
4. [1] CLAMP  
5. [1] CLAMP  
 

#UEG0231S0013
 

5S-6444: CYLINDER HEAD AND VALVE MECHANISM

CYLINDER HEAD AND VALVE MECHANISM (5S6444 N/S)--Side View - Part 1 of 2
Serial No. 10R1 to 10R1208 inclusive and 22R1 to 22R869 inclusive
See Page 25 for Gasket Kits
c109677 UEG0231S
5S6444 CYLINDER HEAD AND VALVE MECHANISM Parts scheme
  For full view, you need register

Parts for your 120 MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 0S-1617 [15] BOLT  
  3B-4505 [15] LOCKWASHER  
2. 5S-6033 [1] SHAFT ASSEM.  
3. 0T-0200 [2] PLUG (.5625" Diameter)  
    -or-
  0L-1026 [2] PLUG (.50" Diameter)  
4. 5S-5879 [1] BRACKET  
5. 5M-4606 [1] DOWEL  
    (Parts of 5S6033 Assem.)
6. 1B-7709 [6] BOLT  
7. 2S-0736 [26] WASHER  
8. 1D-4595 [20] BOLT  
9. 5S-6795 [6] CHAMBER ASSEM.  
10. 5S-5878 [4] BRACKET  
11. 4B-4910 [5] SPRING  
12. 9H-1110 [12] WASHER  
13. 8S-1499 [1] BRACKET ASSEM.  
  3F-6795 [1] DOWEL  
    (Part of 8S1499 Assem.)
14. 9H-1112 [2] SPRING  
15. 9M-9886 [2] WASHER  
16. 9H-1113 [2] RING  
17. 5S-6449 [6] VALVE (Exhaust)  
18. 5S-6452 [6] VALVE (Intake)  
19. 9S-7515 [1] HEAD ASSEM.  
20. 5S-4598 [12] BUSHING  
21. 5S-7221 [6] INSERT (Exhaust)  
22. 5S-7218 [6] INSERT (Intake)  
23. 1S-3062 [18] DIRECTOR  
24. 3S-8313 [8] PLUG  
25. 3B-0623 [6] PLUG  
26. 3J-5389 [4] PLUG  
    (Parts of 9S7515 Assem.)
27. 5M-2667 [6] GASKET (.194" Thick)  
  2S-8959 [6] GASKET (.223" Thick)  
  2S-8960 [6] GASKET (.248" Thick)  
28. 7S-3206 [6] SEAL  
 

#UEG0231S0014
 

5S-6444: CYLINDER HEAD AND VALVE MECHANISM

CYLINDER HEAD AND VALVE MECHANISM (5S6444 N/S)--End View - Part 2 of 2
Serial No. 10R1 to 10R1208 inclusive and 22R1 to 22R869 inclusive
c132722 UEG0231S
5S6444 CYLINDER HEAD AND VALVE MECHANISM Parts scheme
  For full view, you need register

Parts for your 120 MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7S-7144 [12] SPRING  
2. 2A-4429 [24] LOCK  
3. 5S-5912 [12] RETAINER  
4. 5S-6855 [6] ARM ASSEM. (Exhaust)  
5. 5S-6854 [6] ARM ASSEM. (Intake)  
6. 4F-0443 [12] BUSHING  
    (1 each in 5S6854 & 5S6855 Arm Assem.)
7. 5S-6453 [1] COVER ASSEM.  
8. 8S-0801 [1] NUT  
  8S-0800 [4] WASHER  
9. 8S-0799 [1] SUPPORT (Breather)  
10. 8S-3738 [15] STRIP  
11. 7S-5913 [11] REINFORCEMENT  
    (Parts of 5S6453 Cover Assem.)
12. 5S-5917 [12] SCREW  
13. 1B-4203 [12] NUT  
14. 8S-1605 [1] GASKET  
15. 1A-5183 [7] BOLT  
16. 5B-3850 [7] WASHER  
17. 3J-5389 [1] PLUG  
18. 5S-5918 [12] ROD  
19. 7S-3161 [12] LIFTER  
20. 5S-6281 [1] GASKET  
21. 7S-6719 [9] STUD (2.80" long)  
22. 8M-1871 [1] STUD (2.40" long)  
23. 3M-0496 [2] STUD (2.60" long)  
 

#UEG0231S0015
 

5S-6444: CYLINDER HEAD AND VALVE MECHANISM

CYLINDER HEAD AND VALVE MECHANISM (5S6444 N/S)--Side View - Part 1 of 2
Effective with Serial No. 10R1209-Up and 22R870-Up
See Page 25 for Gasket Kits
c136083 UEG0231S
5S6444 CYLINDER HEAD AND VALVE MECHANISM Parts scheme
  For full view, you need register

Parts for your 120 MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 0S-1617 [15] BOLT  
  3B-4505 [15] LOCKWASHER  
2. 9S-9203 [1] SHAFT ASSEM.  
3. 0L-1026 [2] PLUG (.50" Diameter)  
4. 5S-5879 [1] BRACKET  
5. 5M-4606 [1] DOWEL  
6. 1B-7709 [6] BOLT  
7. 2S-0736 [26] WASHER  
8. 1D-4595 [20] BOLT  
9. 5S-6795 [6] CHAMBER ASSEM.  
10. 5S-5878 [4] BRACKET  
11. 4B-4910 [5] SPRING  
12. 9H-1110 [12] WASHER  
13. 8S-1499 [1] BRACKET ASSEM.  
  3F-6795 [1] DOWEL  
14. 9H-1112 [2] SPRING  
15. 9M-9886 [2] WASHER  
16. 9H-1113 [2] RING  
17. 5S-6449 [6] VALVE (Exhaust)  
18. 5S-6452 [6] VALVE (Intake)  
19. 1P-4303 R [1] HEAD ASSEM.  
20. 5S-4598 [12] BUSHING  
21. 5S-7221 [6] INSERT (Exhaust)  
22. 5S-7218 [6] INSERT (Intake)  
23. 1S-3062 [18] DIRECTOR  
24. 3S-8313 [7] PLUG  
25. 3B-0623 [6] PLUG  
26. 3J-5389 [4] PLUG  
27. 1P-6367 [1] COVER  
  5S-6735 [1] GASKET  
28. 0S-1594 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
29. 5M-2667 [6] GASKET (.194" Thick)  
  2S-8959 [6] GASKET (.223" Thick)  
  2S-8960 [6] GASKET (.248" Thick)  
30. 7S-3206 [6] SEAL  
  R   REMFG PART MAY BE AVAILABLE
 

#UEG0231S0016
 

5S-6444: CYLINDER HEAD AND VALVE MECHANISM

CYLINDER HEAD AND VALVE MECHANISM (5S6444 N/S)--End View--Part 2 of 2
Effective with Serial No. 10R1209-Up and 22R870-Up
c112492 UEG0231S
5S6444 CYLINDER HEAD AND VALVE MECHANISM Parts scheme
  For full view, you need register

Parts for your 120 MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7S-7144 [12] SPRING  
2. 2A-4429 [24] LOCK  
3. 5S-5912 [12] RETAINER  
4. 5S-6855 [6] ARM ASSEM. (Exhaust)  
5. 5S-6854 [6] ARM ASSEM. (Intake)  
6. 4F-0443 [12] BUSHING  
    (1 each in 5S6854 & 5S6855 Arm Assem.)
7. 5S-6453 [1] COVER ASSEM.  
8. 8S-0801 [1] NUT  
  8S-0800 [4] WASHER  
9. 8S-0799 [1] SUPPORT (Breather)  
10. 8S-3738 [15] STRIP  
11. 7S-5913 [11] REINFORCEMENT  
    (Parts of 5S6453 Cover Assem.)
12. 5S-5917 [12] SCREW  
13. 1B-4203 [12] NUT  
14. 8S-1605 [1] GASKET  
15. 1A-5183 [7] BOLT  
16. 5B-3850 [7] WASHER  
17. 3J-5389 [1] PLUG  
18. 5S-5918 [12] ROD  
19. 7S-3161 [12] LIFTER  
20. 5S-6281 [1] GASKET  
21. 7S-6719 [9] STUD (2.80" long)  
22. 8M-1871 [1] STUD (2.40" long)  
23. 3M-0496 [2] STUD (2.60" long)  
 

#UEG0231S0017
 

7S-4098: CYLINDER BLOCK AND COVERS

CYLINDER BLOCK AND COVERS (7S4098 N/S)--Side View--Part 1 of 3
Serial No. 10R1 to 10R1554, 10R1557 to 10R1562 inclusive and 22R1 to 22R949 inclusive
5S6778 Block parts are shown on Page 23. See Page 25 for Gasket Kits
Note: 8S4635 Piston and Liner Group, consisting of: 1--Piston Assembly, 1--Liner and 2--Seal, is available
c109480 UEG0231S
7S4098 CYLINDER BLOCK AND COVERS Parts scheme
  For full view, you need register

Parts for your 120 MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5M-6213 [6] PLUG  
2. 9H-5921 [1] GASKET  
3. 9S-6557 [6] LINER  
4. 5S-6670 [12] SEAL  
5. 0S-1594 [2] BOLT  
6. 3B-4506 [29] LOCKWASHER  
7. 4M-6480 [1] GASKET  
8. 1M-0130 [1] COVER  
9. 8M-9307 [1] PLUG  
  6F-7062 [1] GASKET  
10. 5B-8030 [1] SPACER  
11. 5S-6778 YC [1] BLOCK ASSEM.  
    (See Separate Illustration)
12. 5S-7135 [1] GASKET  
13. 9H-6067 [2] SEAL  
14. 0S-1588 [20] BOLT  
15. 8S-8206 [1] PAN ASSEM.  
16. 8S-1965 [1] GASKET  
17. 4B-2363 [1] PLUG  
  6F-4868 [1] GASKET  
18. 1A-2029 [7] BOLT  
19. 9H-2713 [1] GASKET  
20. 1D-4538 [2] BOLT  
21. 5M-6560 [1] LOCK  
22. 5S-3949 [1] TUBE ASSEM.  
23. 1A-9579 [1] BOLT  
24. 2A-5328 [2] LOCK  
25. 2B-2694 [1] BOLT  
26. 1S-7107 [1] GASKET  
27. 5S-3951 [1] TUBE ASSEM.  
  C   INDICATES CHANGE FROM PREVIOUS
  Y   SEPARATE ILLUSTRATION
 

#UEG0231S0018
 

7S-4098: CYLINDER BLOCK AND COVERS

CYLINDER BLOCK AND COVERS (7S4098 N/S)--Side View--Part 2 of 3
Serial No. 10R1 to 10R1554, 10R1557 to 10R1562 inclusive and 22R1 to 22R949 inclusive
c109481 UEG0231S
7S4098 CYLINDER BLOCK AND COVERS Parts scheme
  For full view, you need register

Parts for your 120 MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7S-1683 [1] HOUSING (Flywheel)  
2. 2A-3798 [2] DOWEL  
3. 4B-3938 [1] PLUG  
4. 8M-3023 C [6] ORIFICE  
5. 5M-9136 [1] LOCK  
6. 1A-1460 [13] BOLT  
7. 5M-9132 [1] LOCK  
8. 5M-9135 [1] LOCK  
9. 5M-9134 [1] LOCK  
10. 5M-9131 [1] LOCK  
11. 9S-2273 [1] PLATE ASSEM.  
  5S-7190 [1] STUD  
    (Part of 9S2273 Assem.)
12. 0S-1594 [8] BOLT  
13. 3B-4506 [38] LOCKWASHER  
14. 5S-7134 [1] GASKET  
15. 4M-2969 [1] GASKET  
16. 8S-1961 [1] PLATE ASSEM.  
17. 0L-1351 [26] BOLT  
18. 9S-1799 [1] COVER  
  8S-0877 [1] GASKET  
19. 0S-1571 [3] BOLT  
20. 5H-4212 [1] PLUG  
21. 0T-0573 [1] BOLT  
22. 7M-7390 [1] COVER ASSEM.  
23. 5H-4211 [1] BUSHING  
    (Part of 7M7390 Assem.)
24. 1S-4385 [1] SCREEN ASSEM.  
25. 1S-4382 [2] GASKET  
26. 3B-8998 [2] FITTING  
  1F-1344 [2] NUT  
    (Part of 3B8998 Fitting)
27. 9S-1759 [1] TUBE  
  C   INDICATES CHANGE FROM PREVIOUS
 

#UEG0231S0019
 

7S-4098: CYLINDER BLOCK AND COVERS

CYLINDER BLOCK AND COVERS (7S4098 N/S)--End View--Part 3 of 3
Serial No. 10R1 to 10R1554, 10R1557 to 10R1562 inclusive and 22R1 to 22R949 inclusive
Refer also to Page 119 for special parts
c109482 UEG0231S
7S4098 CYLINDER BLOCK AND COVERS Parts scheme
  For full view, you need register

Parts for your 120 MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7S-1234 [1] BUSHING ASSEM.  
2. 0L-1143 [9] BOLT  
3. 3B-4506 [22] LOCKWASHER  
4. 0S-1594 [8] BOLT  
5. 9S-3187 [1] LOCK  
6. 1B-4203 [6] NUT  
7. 5S-6385 [1] COVER ASSEM.  
8. 8S-6814 [2] DOWEL  
9. 3B-2460 [1] STUD  
10. 6H-0192 [4] STUD  
    (Parts of 5S6385 Cover Assem.)
11. 9H-4891 [1] GASKET  
12. 7M-0232 [1] COVER  
13. 1C-2251 [2] BOLT  
14. 5S-8055 [1] GASKET  
15. 1A-2029 [4] BOLT  
16. 1P-2698 C [1] PIPE  
17. 7S-1803 [1] CAP ASSEM.  
  7S-1801 [1] ANCHOR  
18. 8S-3995 [1] GAUGE ASSEM.  
  9S-1796 [1] TUBE ASSEM.  
19. 9S-3188 [1] LOCK  
20. 4M-4419 [1] LOCK  
21. 0S-1595 [4] BOLT  
  3B-4508 [4] LOCKWASHER  
22. 5S-3096 [1] SUPPORT ASSEM.  
23. 8S-1326 [1] FITTING  
24. 1L-3661 [1] CLAMP  
25. 7M-7388 [1] PIPE (Drain)  
26. 0S-0509 [1] BOLT  
  1D-4717 [1] NUT  
27. 7M-7602 [1] BRACKET  
  C   INDICATES CHANGE FROM PREVIOUS
 

Information:

Special Instruction
Instructions for Installation of Turbine Precleaners on Products with Dust Ejectors {1055}
Instructions for Installation of Turbine Precleaners on Products with Dust Ejectors {1055}
Caterpillar Certified Procedure to Inspect and Clean Air Filters {1051, 1054}
Caterpillar Certified Procedure to Inspect and Clean Air Filters {1051, 1054}
Specifications
Air Cleaner
3306 VEHICULAR ENGINE
Dust Ejector
3306 VEHICULAR ENGINE
Reuse And Salvage Guidelines
Caterpillar Certified Procedure to Inspect and Clean Air Filters {1051, 1054}
Caterpillar Certified Procedure to Inspect and Clean Air Filters {1051, 1054}
Disassembly and Assembly
Air Cleaner Housing
NO. 120 & NO. 140 ENGINE
Service Magazine
Lubricant Will Ease Installation Of Secondary Radial Seal Air Filter Element {1054}
1994/04/25
Exhaust Dust Ejector Operation{1055,1068}
1994/09/26
Catalytic Converter And Exhaust Conditioning Products Available{1091}
1995/01/16

Caterpillar Parts SIS Catalog 120 :

AIR CLEANER
AIR CLEANER
BLOWER FAN AND GUARD
BLOWER FAN AND GUARD
FAN DRIVE AND SUPPORT
7S-1248 FAN DRIVE AND SUPPORT
WATER LINES
7S-3704 WATER LINES
WATER LINES
7S-3704 WATER LINES
PUMP GP-WATER
5S-6684 PUMP GP-WATER
SUPPORT GP-RADIATOR
6D-4430 SUPPORT GP-RADIATOR
RADIATOR
MANIFOLD
MANIFOLD
MUFFLER
MUFFLER
CYLINDER HEAD AND VALVE MECHANISM
5S-6444 CYLINDER HEAD AND VALVE MECHANISM
5S-6444 CYLINDER HEAD AND VALVE MECHANISM
CYLINDER HEAD AND VALVE MECHANISM
5S-6444 CYLINDER HEAD AND VALVE MECHANISM
5S-6444 CYLINDER HEAD AND VALVE MECHANISM
CYLINDER BLOCK AND COVERS
7S-4098 CYLINDER BLOCK AND COVERS
7S-4098 CYLINDER BLOCK AND COVERS

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