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7N9919 AIR COMPRESSOR LINES GROUP ENGINE SERIAL NO. 7Z2553 TO 7Z2588 & 7Z2762-UP 120G MOTOR GRADER


BASIC ENGINE
AIR COMPRESSOR GP
AIR INLET AND EXHAUST SYSTEM
AIR CLEANER GP
BASIC ENGINE
AIR COMPRESSOR GP

MOTOR GRADER 120G MOTOR GRADER 11W
 120G MOTOR GRADER 11W01019-01250 (MACHINE) POWERED BY 3304 ENGINE MEBP1300 120G 11W   (1975)

BASIC ENGINE

AIR COMPRESSOR GP
LINES GP-AIR COMPRESSOR
4N-8056 LINES GP-AIR COMPRESSOR
LINES GP-AIR COMPRESSOR
7N-9919 LINES GP-AIR COMPRESSOR
LINES GP-AIR COMPRESSOR
7W-8411 LINES GP-AIR COMPRESSOR
AIR COMPRESSOR GP
2P-9614 AIR COMPRESSOR GP
AIR COMPRESSOR GP
1W-6754 AIR COMPRESSOR GP
 

#MEBP13000130
 

7N-9919: LINES GP-AIR COMPRESSOR

7N9919 AIR COMPRESSOR LINES GROUP
ENGINE SERIAL NO. 7Z2553 TO 7Z2588 & 7Z2762-UP
c182241 MEBP1300
7N9919 LINES GP-AIR COMPRESSOR Parts scheme
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Parts for your 120G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5K-9237 [3] ELBOW  
2. 2P-6229 [1] TUBE ASSEM.  
3. 5K-9248 [1] CONNECTOR  
  3B-7255 [1] BUSHING  
4. 5K-9240 [2] ELBOW  
5. 2P-7761 [1] TUBE ASSEM.  
6. 2P-7762 [1] TUBE ASSEM.  
7. 5M-6213 [2] PLUG  
8. 9L-5116 [1] HOSE ASSEM.  
9. 8L-6557 [1] CONNECTOR  
10. 4S-6399 [1] CONNECTOR  
11. 7B-0192 [1] CROSS  
12. 3B-7764 [1] BUSHING  
  3B-7738 [1] NIPPLE  
 

#MEBP13000131
 

7W-8411: LINES GP-AIR COMPRESSOR

7W8411 AIR COMPRESSOR LINES GROUP
ENGINE S/N 7Z15870-16672
c343303 MEBP1300
7W8411 LINES GP-AIR COMPRESSOR Parts scheme
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Parts for your 120G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5K-9237 [4] ELBOW  
2. 5K-9240 [2] ELBOW-FLARED  
3. 3B-7255 [3] BUSHING  
4. 7W-9553 [1] TUBE AS-OUTLET  
5. 7W-9555 [1] TUBE AS-INLET  
6. 2W-1085 [1] TUBE AS  
7. 6K-1972 [1] ELBOW-FLARED  
8. 9N-3040 [1] HOSE AS-END  
9. 2N-1287 [1] ELBOW-FLARED  
 

#MEBP13000132
 

2P-9614: AIR COMPRESSOR GP

2P9614 AIR COMPRESSOR GROUP
ENGINE SERIAL NO. 7Z1 TO 7Z2532 INCLUSIVE
PART OF 2P9613 AIR COMPRESSOR
c227968 MEBP1300
2P9614 AIR COMPRESSOR GP Parts scheme
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Parts for your 120G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2P-9615 [1] GOVERNOR ASSEM.  
2. 1B-4203 [4] NUT  
3. 7N-2833 C [1] HEAD ASSEM.  
4. 8A-2252 L [1] PISTON AS  
    -OR-
  105-9218 N [1] PISTON AS  
5. 8A-2251 [1] LINER  
6. 8A-2248 [1] ROD ASSEM.  
7. 2P-7849 [1] CRANKCASE  
8. 9F-2247 [1] PLUG  
9. 2P-7850 [1] CRANKSHAFT  
10. 2F-5721 [1] BEARING  
11. 1P-5480 [1] COVER ASSEM.  
12. 2P-7848 [1] BRACKET  
13. 4N-5224 [1] COVER  
14. 4N-5225 [1] GASKET  
    THE FOLLOWING REPAIR KITS ARE AVAILABLE:
  8A-2250 L [1] KIT (Includes 5 Piston rings)  
  105-9236 N [1] KIT-PISTON RING  
  8A-2305 C [1] KIT (Governor-Major Repair)  
    (Includes Diaphragms, Followers, Valve, Guide, Plunger, "O" Ring, Spring & Hardware)
  7N-2834 C [1] KIT (Compressor-Major Repair)  
    (Includes Valves, Bearings, Gaskets, Retaining Rings, Strap, Springs, Shims, "O" Ring & Hardware)
  1P-6059 [1] KIT (Unloader Valve)  
    (Includes Cap, Clip, Washer, Spring, Plunger, & "O" Ring)
  4N-4027 [1] KIT (Governor Lines)  
    (Includes Elbow Assem., Pipe, Fitting, & Washer)
  C   INDICATES CHANGE
  L   KIT MARKED L SERVICES PART MARKED L
  N   KIT MARKED N SERVICES PART MARKED N
 

#MEBP13000133
 

1W-6754: AIR COMPRESSOR GP

1W6754 AIR COMPRESSOR GROUP
ENGINE SERIAL NO. 7Z2533 TO 7Z2552 & 7Z2589 TO 7Z2761 INCLUSIVE
PART OF 2P9613 AIR COMPRESSOR
c182245 MEBP1300
1W6754 AIR COMPRESSOR GP Parts scheme
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Parts for your 120G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2P-9615 [1] GOVERNOR ASSEM.  
2. 1B-4203 [4] NUT  
3. 7N-2833 [1] HEAD ASSEM.  
4. 8A-2252 L [1] PISTON AS  
    -OR-
  105-9218 N [1] PISTON AS  
5. 8A-2251 [1] LINER  
6. 8A-2248 [1] ROD ASSEM.  
7. 1W-6471 [1] CRANKCASE  
8. 4N-5225 [1] GASKET  
9. 2P-7850 [1] CRANKSHAFT  
10. 2F-5721 [1] BEARING  
11. 1P-5480 [1] COVER ASSEM.  
12. 2P-7848 [1] BRACKET  
13. 4N-5224 [1] COVER  
    THE FOLLOWING REPAIR KITS ARE AVAILABLE:
  8A-2250 L [1] KIT-PISTON RING (Includes 5 Piston rings)  
  105-9236 N [1] KIT-PISTON RING  
  8A-2305 [1] KIT (Governor-Major Repair)  
    (Includes Diaphragms, Followers, Valve, Guide, Plunger, "O" Ring, Spring & Hardware)
  7N-2834 [1] KIT (Compressor-Major Repair)  
    (Includes Valves, Bearings, Gaskets, Rings, Strap, Springs, Shims, "O" Ring & Hardware)
  1P-6059 [1] KIT (Unloader Valve)  
    (Includes Cap, Clip, Washer, Spring, Plunger, & "O" Ring)
  4N-4027 [1] KIT (Governor Lines)  
    (Includes Elbow Assem., Pipe, Fitting, & Washer)
  L   KIT MARKED L SERVICES PART MARKED L
  N   KIT MARKED N SERVICES PART MARKED N
 

#MEBP13000134
 

1W-6473: AIR COMPRESSOR GP

1W6473 AIR COMPRESSOR GROUP
ENGINE SERIAL NO. 72Z2553 TO 7Z2588 & 7Z2762-UP
PART OF 7N9912 AIR COMPRESSOR
c338670 MEBP1300
1W6473 AIR COMPRESSOR GP Parts scheme
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Parts for your 120G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8S-4583 [8] BOLT-HEX HEAD  
2. 8S-4365 [1] FITTING  
  1S-7107 [1] GASKET  
3. 8S-4581 [1] CYLINDER HEAD AS  
4. 8S-7599 [2] SEAT-VALVE  
5. 1A-2850 [2] STUD  
  1B-4202 [2] NUT  
6. 4L-7318 [8] LOCKWASHER  
7. 9M-0397 [1] ADAPTER-INLET  
  9M-0385 [1] PLATE-STRAINER  
  6L-1884 [2] GASKET-STRAINER  
8. 2B-2695 [2] BOLT  
9. 3J-5390 [2] PLUG  
10. 8S-1982 [1] GASKET-HEAD  
11. 8S-4582 [1] CYLINDER BLOCK AS  
12. 3K-5762 [1] PLUG  
13. 9M-0382 [2] BUSHING  
14. 9M-0381 [2] SEAT-INLET VALVE  
15. 5M-6213 [2] PLUG  
16. 2P-8670 [1] CRANKSHAFT  
17. 1W-2804 C [2] PISTON AS-COMPRESSOR (EACH INCLUDES)  
  1W-2803 [2] PLUG  
18. 1S-9875 [1] KIT-PISTON RINGS (8 RINGS)  
19. 0L-1351 [6] BOLT  
  3B-4506 [6] LOCKWASHER  
20. 1F-0006 [1] GASKET  
21. 8S-1978 [1] COVER AS  
22. 1S-9867 [1] BEARING-SLEEVE  
23. 5M-6214 [1] PLUG-PIPE  
24. 4M-0061 [4] BOLT  
25. 5M-6509 [1] SEAL-O-RING  
26. 4M-5281 [6] BOLT  
  3B-4504 [6] LOCKWASHER  
27. 7W-6494 C [1] GASKET-COVER  
28. 1W-6472 [1] CRANKCASE  
29. 9L-1518 [2] WASHER-THRUST  
30. 1S-9873 [2] ROD AS-CONNECTION (EACH INCLUDES)  
31. 9M-5181 [2] BOLT  
  2A-5328 [2] LOCK  
32. 4N-3982 J [1] BEARING  
33. 4N-3983 J [1] BEARING  
  4N-3984 J [1] BEARING  
  4N-3985 J [1] BEARING  
   
    THE FOLLOWING REPAIR
    KIT IS AVAILABLE:
  1S-9874 [1] KIT-COMPRESSOR VALVES  
    (INCL ELEMENT, GUIDES,
    PISTONS, PLUNGERS, ETC.)
    J-REQUIRED TO MAKE A
    COMPLETE BEARING
  C   CHANGE FROM PREVIOUS TYPE
 

#MEBP13000135
 

4N-8302: DUST EJECTOR GP

4N8302 DUST EJECTOR GROUP
c558881 MEBP1300
4N8302 DUST EJECTOR GP Parts scheme
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Parts for your 120G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5S-5063 [1] HOSE-FLOW  
2. 5P-0597 [2] CLAMP  
3. 3H-5841 [2] BOLT  
4. 3P-0080 [1] TUBE AS-SECONDARY FLOW  
 

#MEBP13000136
 

2P-9613: AIR COMPRESSOR GP

2P9613 AIR COMPRESSOR GROUP
ENGINE SERIAL NO. 7Z1 TO 7Z2532 INCLUSIVE
2P9614-PAGE 48
c174484 MEBP1300
2P9613 AIR COMPRESSOR GP Parts scheme
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Parts for your 120G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2P-9614 CY [1] COMPRESSOR  
    (Separate Illustration)
2. 2P-0220 [1] GASKET  
3. 1A-1135 [2] BOLT 5.08 cm(2 in.)long  
    -OR-
  0S-1589 C [2] BOLT 4.45 cm(1.75 in.) long  
4. 0S-1591 [3] BOLT 3.81 cm(1.5 in.) long  
    -OR-
  3B-1915 C [3] BOLT 3.49 cm(1.375 in.) long  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#MEBP13000137
 

2P-9613: AIR COMPRESSOR GP

2P9613 AIR COMPRESSOR GROUP
ENGINE SERIAL NO. 7Z2533 TO 7Z2552 & 7Z2589 TO 7Z2761 INCLUSIVE.
1W6754-PAGE 48A
c182244 MEBP1300
2P9613 AIR COMPRESSOR GP Parts scheme
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Parts for your 120G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1W-6754 CY [1] COMPRESSOR  
    (Separate Illustration)
2. 2P-0220 [1] GASKET  
3. 1A-1135 [2] BOLT 5.08 cm(2 in.)long  
    - OR -
  0S-1589 [2] BOLT 4.45 cm(1.75 in.) long  
4. 0S-1591 [3] BOLT 3.81 cm(1.5 in.) long  
    - OR -
  3B-1915 [3] BOLT 3.49 cm(1.375 in.) long  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#MEBP13000138
 

7N-9912: AIR COMPRESSOR GP

7N9912 AIR COMPRESSOR GROUP
ENGINE SERIAL NO. 7Z2553 TO 7Z2588 AND 7Z2762-UP
1W6473-PAGE 48B
c406267 MEBP1300
7N9912 AIR COMPRESSOR GP Parts scheme
  For full view, you need register

Parts for your 120G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1W-6473 YR [1] AIR COMPRESSOR GP  
2. 5K-9243 [1] ELBOW-FLARED  
3. 3H-5932 C [2] BOLT  
  1D-4716 [2] NUT-FULL  
4. 9M-1974 C [3] WASHER  
5. 7N-9195 [1] GOVERNOR AS  
6. 2S-2923 [1] COVER-GOVERNOR  
7. 1D-4538 C [2] BOLT  
8. 2W-1088 C [1] BRACKET  
9. 5N-9111 [1] TUBE AS  
10. 5K-9241 [1] ELBOW  
11. 1A-1135 [2] BOLT  
  4D-3704 [2] WASHER-HARD  
12. 0S-1591 [3] BOLT  
  5M-2894 [3] WASHER  
13. 2P-0220 [1] GASKET-PUMP  
14. 9F-2247 C [5] PLUG  
15. 7K-3377 C [2] PIPE  
16. 3H-4656 C [2] SPACER  
17. 5F-5434 [1] VENT AS  
18. 3B-8822 C [1] ELBOW  
19. 9N-0869 C [1] WASHER  
    THE FOLLOWING REPAIR
    KIT IS AVAILABLE:
  9M-0402 [1] KIT-GOVERNOR OVERHAUL  
    (CONSISTS OF GROMMETS,
    SPRING, FILTER, VALVE
    AND COVER)
  C   CHANGE FROM PREVIOUS TYPE
  R   REMFG PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#MEBP13000139
 

7W-8399: AIR COMPRESSOR GP

7W8399 AIR COMPRESSOR GROUP
S/N 8Z32191-57234
2W9720-PAGE 49F
c345381 MEBP1300
7W8399 AIR COMPRESSOR GP Parts scheme
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Parts for your 120G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2W-9270 YR [1] AIR COMPRESSOR GP  
2. 2P-0220 [1] GASKET-PUMP  
3. 0S-1589 [2] BOLT  
4. 3B-1915 [3] BOLT  
5. 9M-0397 [1] ADAPTER-INLET  
6. 2B-2695 [2] BOLT  
7. 9M-1974 [2] WASHER  
8. 4L-7318 [2] LOCKWASHER  
9. 7N-9195 [1] GOVERNOR AS  
  2S-2923 [1] COVER-GOVERNOR  
10. 5F-5434 [1] VENT AS  
11. 9F-2247 [5] PLUG  
12. 8M-7065 [1] GASKET-AIR INLET  
13. 6L-1883 [1] GASKET-GOVERNOR  
14. 1D-4540 [2] BOLT  
   
    THE FOLLOWING REPAIR
    KIT IS AVAILABLE:
  9M-0402 [1] KIT-GOVERNOR OVERHAUL  
    (INCL GROMMETS, FILTER,
    SPRING, VALVE, COVER
    AND RING)
  R   REMFG PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

Information:

Disassembly and Assembly
Air Compressor - Remove and Install
3304B and 3306B Engines for Caterpillar Built Machines
Service Magazine
A New Diagnostic Kit for the Evaluation of Air Compressor Operation is Introduced {1803}
2004/11/15

Caterpillar Parts SIS Catalog 120G :

LINES GP-AIR COMPRESSOR
4N-8056 LINES GP-AIR COMPRESSOR
TURBOCHARGER GP
7N-4651 TURBOCHARGER GP
TURBOCHARGER GP
7N-4650 TURBOCHARGER GP
LINES GP-TURBOCHARGER OIL
1W-0558 LINES GP-TURBOCHARGER OIL
LINES GP-TURBOCHARGER OIL
4N-3923 LINES GP-TURBOCHARGER OIL
TURBOCHARGER GP
7N-4650 TURBOCHARGER GP
LINES GP-AIR
7N-4143 LINES GP-AIR
LINES GP-AIR
7N-4144 LINES GP-AIR
LINES GP-AIR COMPRESSOR
7W-8411 LINES GP-AIR COMPRESSOR
AIR COMPRESSOR GP
2P-9614 AIR COMPRESSOR GP
AIR COMPRESSOR GP
1W-6754 AIR COMPRESSOR GP
AIR COMPRESSOR GP
1W-6473 AIR COMPRESSOR GP
DUST EJECTOR GP
4N-8302 DUST EJECTOR GP
AIR COMPRESSOR GP
2P-9613 AIR COMPRESSOR GP
AIR COMPRESSOR GP
2P-9613 AIR COMPRESSOR GP
AIR COMPRESSOR GP
7N-9912 AIR COMPRESSOR GP

Truck sale:

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40,000 
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18,210 
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32,000 
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FOLEY EQUIPMENT COMPANY
 
33,500 
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