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135-5094 LINES GP-AIR COMPRESSOR S/N 6NC1-UP; R6J1-UP; 08Z96238-99999 PART OF 110-5760 ENGINE AR, 274-3980 ENGINE AR-COMPLETE 12H


BASIC ENGINE
AIR COMPRESSOR GP
MOUNTING GP-ENGINE
PAN GP-OIL
PISTON & ROD GP
CRANKSHAFT GP
MOUNTING GP-ENGINE
VALVE MECHANISM GP
LUBRICATION SYSTEM
FILTER GP-ENGINE OIL


BASIC ENGINE

AIR COMPRESSOR GP
 

#SEBP24810050
 

135-5094: LINES GP-AIR COMPRESSOR

135-5094 LINES GP-AIR COMPRESSOR
S/N 6NC1-UP; R6J1-UP; 08Z96238-99999
PART OF 110-5760 ENGINE AR, 274-3980 ENGINE AR-COMPLETE
i00498286 SEBP2481
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Parts for your 12H MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9L-5810 I [1] HOSE AS  
2. 2N-3378 [3] ELBOW-FLARED  
3. 4P-5970 I [1] HOSE AS  
4. 146-7639 [1] HOSE AS  
5. 2N-1287 [1] ELBOW-FLARED  
6. 9N-3040 I [1] HOSE AS  
7. 6K-1972 [1] ELBOW-FLARED  
8. 3B-7764 [1] BUSHING (REDUCING)  
9. 8T-6757 [5] PLUG-PIPE  
10. 9M-4584 [1] CONNECTOR  
11. 2M-9780 [1] SEAL-O-RING  
12. 1D-4541 [2] BOLT (5/16-18X3-IN)  
13. 9M-6522 [1] CONNECTOR (1/2-14 NPTF)  
14. 8M-0755 [1] ADAPTER  
15. 9M-1974 [4] WASHER-HARD (8.8X16X2-MM THK)  
16. 6I-1240 J [1] GOVERNOR AS-AIR COMPRESSOR  
17. 6L-1883 [2] GASKET  
18. 4B-3388 [2] BOLT (5/16-18X1.125-IN)  
19. 136-3166 [1] ADAPTER  
20. 3P-1823 B [1] ADAPTER-PIPE  
21. 5F-5434 [1] VALVE AS-VENT (AIR START)  
22. 030-7972 [1] ELBOW  
   
    AVAILABLE REPAIR KIT(S):
  9M-0402 J [1] KIT-GOVERNOR OVERHAUL (AIR COMPRESSOR)  
    (INCLUDES GROMMETS, FILTERS, SPRINGS, VALVE, COVER, RING, & GASKET)
  B   USE AS REQUIRED
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  J   KIT(S) MARKED J USED IN PART(S) MARKED J
 

#SEBP24810051
 

7C-2096: MOUNTING GP-ENGINE & XMSN

7C-2096 MOUNTING GP-ENGINE & XMSN
S/N 5ZM1-303
PART OF 112-5829 INSTALLATION AR-ENGINE
i00122248 SEBP2481
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Parts for your 12H MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9W-9920 [2] MOUNTING AS-VIBRATION ISOLATOR  
2. 9W-6582 [2] SLEEVE  
3. 9W-6584 [4] WASHER (20.5X114X10-MM THK)  
4. 8T-4994 [2] WASHER-HARD (20X36.5X3.5-MM THK)  
5. 7X-0375 [2] BOLT (3/4-10X5-IN)  
6. 9W-7385 [2] SLEEVE  
7. 6Y-9960 [2] MOUNT AS  
8. 9W-7388 [4] WASHER (26X144X12-MM THK)  
9. 8T-5361 [2] WASHER-HARD (28X49X5-MM THK)  
10. 8T-6430 M [8] BOLT (M20X2.5X50-MM)  
11. 8T-4123 [8] WASHER (22X35X3.5-MM THK)  
12. 1J-5929 [2] BOLT (1-8X6-IN)  
13. 8W-5897 [1] SUPPORT AS  
14. 8W-5896 [1] SUPPORT AS  
  8G-2613 [1] PLATE  
15. 9B-7237 [12] BOLT (3/8-16X1.25-IN)  
16. 8T-4896 [12] WASHER-HARD (10.2X18.5X2.5-MM THK)  
  M   METRIC PART
 

#SEBP24810052
 

2P-9647: PAN GP-OIL

2P-9647 PAN GP-OIL -ENGINE
S/N 6NC1-UP; R6J1-UP; 08Z90306-99999
PART OF 110-5760 ENGINE AR, 274-3980 ENGINE AR-COMPLETE
i00122032 SEBP2481
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Parts for your 12H MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 169-4200 [1] GASKET  
2. 169-4199 [1] GASKET-OIL PAN  
3. 8N-6185 [1] PAN-OIL  
4. 3B-1915 [2] BOLT (3/8-16X1.375-IN)  
5. 8N-6854 [1] GASKET  
6. 113-5336 [1] ADAPTER AS-DRAIN  
7. 113-5335 [1] PLUG-DRAIN (OIL PAN)  
8. 2P-1738 [1] PLATE AS-OIL PAN  
 

#SEBP24810053
 

1W-6588: PISTON & ROD GP

1W-6588 PISTON & ROD GP
S/N 6NC1-17901; 08Z90306-99999
16:1 RATIO
PART OF 110-5760 ENGINE AR
i00121990 SEBP2481
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Parts for your 12H MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 129-0359 [1] BODY AS-PISTON (REQUIRES 3MM OIL RING)  
2. 9S-3029 [1] RING-PISTON (TOP)  
3. 5S-6750 [1] RING-PISTON (INTERMEDIATE)  
4. 7E-6047 [1] RING-PISTON (OIL)(3MM THICK)  
5. 1S-9543 [2] RETAINER-PIN  
6. 7N-9805 [1] PIN-PISTON  
7. 8N-1721 [1] ROD AS-CONNECTING  
  8N-1849 [1] BEARING-CONNECTING ROD  
  1P-9956 [2] BOLT-CONNECTING ROD  
  5S-6348 [2] NUT (1/2-20-THD)  
8. 4W-5739 [1] BEARING-CONNECTING ROD (STANDARD)  
  8N-8221 AB BEARING-CONNECTING ROD (0.254-MM US)  
  8N-8222 AB BEARING-CONNECTING ROD (0.508-MM US)  
  8N-8223 AB BEARING-CONNECTING ROD (0.762-MM US)  
  2W-6091 AJ [1] RING GP-PISTON (REPLACEMENT FOR 129-0359 ONLY)  
  A   NOT PART OF THIS GROUP
  B   USE AS REQUIRED
  J   INCLUDES A COMPLETE SET OF RINGS FOR ONE PISTON
  R   REMANUFACTURED PART MAY BE AVAILABLE
 

#SEBP24810054
 

1W-6588: PISTON & ROD GP

1W-6588 PISTON & ROD GP
S/N 6NC17902-UP; R6J1-UP
16:1 RATIO
PART OF 110-5760 ENGINE AR, 274-3980 ENGINE AR-COMPLETE
i01538624 SEBP2481
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Parts for your 12H MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 164-6560 [1] BODY AS-PISTON (REQUIRES 4MM THICK OIL RING)  
2. 9S-3029 [1] RING-PISTON (TOP)  
3. 5S-6750 [1] RING-PISTON (INTERMEDIATE)  
4. 6I-0497 [1] RING-PISTON (OIL)(4MM THICK)  
5. 1S-9543 [2] RETAINER-PIN  
6. 7N-9805 [1] PIN-PISTON  
7. 8N-1721 [1] ROD AS-CONNECTING  
  8N-1849 [1] BEARING-CONNECTING ROD  
  1P-9956 [2] BOLT-CONNECTING ROD  
  5S-6348 [2] NUT (1/2-20-THD)  
8. 328-5572 [1] BEARING-CONNECTING ROD (STANDARD)  
  8N-8221 AB BEARING-CONNECTING ROD (0.254-MM US)  
  8N-8222 AB BEARING-CONNECTING ROD (0.508-MM US)  
  8N-8223 AB BEARING-CONNECTING ROD (0.762-MM US)  
  A   NOT PART OF THIS GROUP
  B   USE AS REQUIRED
  R   REMANUFACTURED PART MAY BE AVAILABLE
 

#SEBP24810055
 

2P-6224: SEAL GP-CRANKSHAFT

2P-6224 SEAL GP-CRANKSHAFT
S/N 6NC1-UP; R6J1-UP; 08Z90306-99999
PART OF 110-5760 ENGINE AR, 274-3980 ENGINE AR-COMPLETE
i00122024 SEBP2481
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Parts for your 12H MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4W-0452 [1] SEAL GP-CRANKSHAFT (COUNTERCLOCKWISE ROTATION)(REAR)  
2. 362-8853 J [1] SEAL GP-CRANKSHAFT (CLOCKWISE ROTATION)(FRONT)  
    -OR-
  9Y-9895 [1] SEAL GP-CRANKSHAFT (CLOCKWISE ROTATION)(FRONT)  
  J   HEAVY DUTY SEAL THAT IMPROVES AGAINST CONTAMINATION
 

#SEBP24810056
 

7C-3626: SUPPORT GP-ENGINE

7C-3626 SUPPORT GP-ENGINE
S/N 6NC1-UP; R6J1-UP; 08Z90306-99999
PART OF 110-5760 ENGINE AR, 274-3980 ENGINE AR-COMPLETE
i00122261 SEBP2481
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Parts for your 12H MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 0S-1619 [5] BOLT (3/8-16X3-IN)  
2. 5M-2894 [8] WASHER-HARD (10.2X18.5X2.5-MM THK)  
3. 9X-8874 [4] BOLT (1/2-13X3-IN)  
4. 9S-8752 [1] NUT-FULL (3/8-16-THD)  
5. 5P-8245 [4] WASHER-HARD (13.5X25.5X3-MM THK)  
6. 7W-8319 [1] SUPPORT AS-ENGINE  
7. 0S-1588 [2] BOLT (3/8-16X1.25-IN)  
 

#SEBP24810057
 

7C-7013: VALVE MECHANISM GP

7C-7013 VALVE MECHANISM GP
S/N 6NC1-UP; R6J1-UP; 08Z90306-99999
ADDITIONAL CYLINDER HEAD FASTENER BOLTS AND WASHERS CAN BE FOUND IN 7N-9536.
PART OF 7N-8026 VALVE MECHANISM GP
i00122276 SEBP2481
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Parts for your 12H MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7C-7012 [1] SHAFT AS  
  3K-8460 [1] PLUG (1/2-20-THD)  
  5M-4606 [1] DOWEL  
  7C-7011 [1] BRACKET-SHAFT  
  8N-3251 [1] SHAFT-ROCKER ARM  
  6V-3508 [2] PLUG-CUP  
2. 5S-5879 [4] BRACKET-SHAFT  
3. 4B-4910 [5] SPRING  
5. 8N-3327 [6] ROCKER ARM GP (INLET)  
6. 8S-1499 [1] BRACKET AS  
  1L-5072 [1] DOWEL  
7. 8N-3325 [6] ROCKER ARM GP (EXHAUST)  
8. 9M-9886 [13] WASHER (31.75X19.05X0.08-MM THK)  
9. 7N-0550 [2] WASHER-SPRING  
10. 9H-1113 [2] RING-RETAINING  
11. 8M-4448 [1] SEAL-O-RING  
12. 1B-7709 [1] BOLT (5/8-11X8-IN)  
13. 2S-0736 [1] WASHER-HARD (17X27X3.5-MM THK)  
  R   REMANUFACTURED PART MAY BE AVAILABLE
 

#SEBP24810058
 

7N-8026: VALVE MECHANISM GP

7N-8026 VALVE MECHANISM GP
S/N 6NC1-UP; R6J1-UP; 08Z90306-99999
PART OF 110-5760 ENGINE AR, 274-3980 ENGINE AR-COMPLETE
i00122392 SEBP2481
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Parts for your 12H MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7C-7013 CY [1] VALVE MECHANISM GP  
2. 7S-3161 [12] LIFTER-VALVE  
3. 5S-5918 [12] PUSHROD-VALVE  
  C   CHANGE FROM PREVIOUS TYPE
  Y   SEPARATE ILLUSTRATION
 

#SEBP24810059
 

147-3092: BASE GP-OIL FILTER

147-3092 BASE GP-OIL FILTER
S/N R6J1-UP
PART OF 147-3091 FILTER GP-ENGINE OIL
i00606368 SEBP2481
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Parts for your 12H MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 147-0382 [1] COVER-FILTER BASE  
2. 0S-1588 [8] BOLT (3/8-16X1.25-IN)  
3. 2P-4305 [2] GASKET  
4. 2R-6276 [1] CONNECTOR  
5. 3D-2824 [1] SEAL-O-RING  
6. 4K-1388 [1] SEAL-O-RING  
7. 5M-2894 [8] WASHER-HARD (10.2X18.5X2.5-MM THK)  
8. 5P-6416 [1] ELBOW  
9. 6N-7163 [1] BASE AS-OIL FILTER  
  3P-0035 [1] STUD-HOLLOW  
10. 139-2875 [1] COVER-FILTER BASE  
 

Information:

Disassembly and Assembly
Air Compressor - Remove and Install
3304B and 3306B Engines for Caterpillar Built Machines
Service Magazine

Caterpillar Parts SIS Catalog 12H :

Truck sale:

115,000 
Caterpillar 12H, Construction
- motor graders
EMPRESAS MATCO, S.A. DE C.V.
Mexico
116,500 
Caterpillar 12H, Construction
- motor graders
EMPRESAS MATCO, S.A. DE C.V.
Mexico
87,000 
Caterpillar 12H, Construction
- motor graders
MADISA
Mexico
106,008 
Caterpillar 12 H, Construction
- motor graders
TRACTAFRIC EQUIPMENT
Netherlands
90,000 
Caterpillar 12H, Construction
- motor graders
NMC
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