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460-8225 KIT-FRONT COVER GASKET S/N 4ER1-UP KIT CONTAINS GASKETS, SEALS AND BENDABLE LOCKS TO REINSTALL THE FRONT COVER. KIT DOES NOT INCLUDE THE OIL PAN GASKET. FIELD INSTALLATION 12H


BASIC ENGINE
HOUSING GP-FRONT
LIFTING GP-ENGINE
AIR COMPRESSOR GP
MOUNTING GP-ENGINE
PAN GP-OIL
PISTON & ROD GP
CRANKSHAFT GP
MOUNTING GP-ENGINE
VALVE MECHANISM GP

MOTOR GRADER 12H MOTOR GRADER 4ER
 12H Motor Grader 4ER00001-UP (MACHINE) POWERED BY 3306 Engine SEBP2540 12H 4ER   (1996)

BASIC ENGINE

HOUSING GP-FRONT
COVER GP-FRONT HOUSING
2P-6529 COVER GP-FRONT HOUSING
FASTENER GP-FRONT HOUSING
1W-3802 FASTENER GP-FRONT HOUSING
FASTENER GP-FRONT HOUSING
8N-0872 FASTENER GP-FRONT HOUSING
GEAR GP-FRONT
111-8001 GEAR GP-FRONT
GEAR GP-FRONT
1W-5634 GEAR GP-FRONT
HOUSING GP-FRONT
8N-0303 HOUSING GP-FRONT
398-2955 KIT-FRONT COVER GASKET
460-8225 KIT-FRONT COVER GASKET
 

#SEBP25400050
 

460-8225: KIT-FRONT COVER GASKET

460-8225 KIT-FRONT COVER GASKET
S/N 4ER1-UP
KIT CONTAINS GASKETS, SEALS AND BENDABLE LOCKS TO REINSTALL THE FRONT COVER. KIT DOES NOT INCLUDE THE OIL PAN GASKET.
FIELD INSTALLATION
i05940042 SEBP2540
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Parts for your 12H MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  1W-3900 [1] GASKET  
  2P-2720 [1] GASKET  
  6L-1883 [2] GASKET  
  8N-0110 [1] GASKET-FRONT PLATE  
  6N-7887 [1] GASKET-HOUSING COVER  
  2P-0220 [1] GASKET-PUMP  
  362-8853 [1] SEAL GP-CRANKSHAFT (CLOCKWISE ROTATION)  
  6V-9748 [1] SEAL-LIP TYPE  
  175-7900 [1] SEAL-O-RING  
  2M-9780 [1] SEAL-O-RING  
  2P-1692 [1] SEAL-O-RING  
  3J-1907 [1] SEAL-O-RING  
  3K-0360 [1] SEAL-O-RING  
  175-7904 [2] SEAL-O-RING  
  6V-6921 [1] SEAL-RING  
   
    FOR A LIST OF RELATED PARTS THAT MAY BE REQUIRED FOR THE ENGINE REBUILD TO THE KIT CONSIST, PLEASE VISIT
   
    HTTP://DEALER.CAT.COM/RELATED
 

#SEBP25400051
 

7N-9122: LIFTING GP-ENGINE

7N-9122 LIFTING GP-ENGINE
S/N 6NC1-33951; 8TD10000-99999; 08Z96238-99999; 10Z46473-UP
PART OF 110-5760, 116-2890 ENGINE AR, 274-3980 ENGINE AR-COMPLETE
i00125351 SEBP2540
7N9122 LIFTING GP-ENGINE Parts scheme
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Parts for your 12H MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 137-5314 [1] PLATE-LIFTING  
2. 8N-8721 [1] PLATE-LIFTING EYE  
3. 0S-1566 [4] BOLT (5/8-11X1.5-IN)  
  5P-8247 [4] WASHER-HARD (17X32X3.5-MM THK)  
 

#SEBP25400052
 

135-5094: LINES GP-AIR COMPRESSOR

135-5094 LINES GP-AIR COMPRESSOR
S/N 6NC1-33951; 08Z96238-99999; 10Z46473-UP
PART OF 110-5760 ENGINE AR, 274-3980 ENGINE AR-COMPLETE
i00671979 SEBP2540
1355094 LINES GP-AIR COMPRESSOR Parts scheme
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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 [1] GOVERNOR AS-AIR COMPRESSOR  
  2S-2923 [1] COVER AS  
  9M-0402 [1] KIT-GOVERNOR OVERHAUL (AIR COMPRESSOR)  
    (INCLUDES GROMMETS, FILTERS, SPRINGS, VALVE, COVER, RING & GASKET)
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  
22. 030-7972 [1] ELBOW  
  B   USE AS REQUIRED
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
 

#SEBP25400053
 

7W-8411: LINES GP-AIR COMPRESSOR

7W-8411 LINES GP-AIR COMPRESSOR
S/N 4ER1-399
PART OF 116-2891 INSTALLATION AR-ENGINE
i00125359 SEBP2540
7W8411 LINES GP-AIR COMPRESSOR Parts scheme
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Parts for your 12H MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5K-9237 [4] ELBOW-FLARED  
2. 032-1269 [1] ELBOW  
3. 3B-7255 [3] BUSHING-REDUCER  
4. 7W-9553 [1] TUBE AS-OUTLET  
5. 4W-1309 I [1] HOSE AS  
6. 7E-6796 C [1] TUBE AS  
7. 6K-1972 [1] ELBOW-FLARED  
8. 9N-3040 I [1] HOSE AS  
9. 2N-1287 [1] ELBOW-FLARED  
10. 9L-5254 [1] ELBOW  
11. 3B-7764 B [1] BUSHING (REDUCING)  
12. 3P-1823 B [1] ADAPTER-PIPE  
  B   USE AS REQUIRED
  C   CHANGE FROM PREVIOUS TYPE
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
 

#SEBP25400054
 

7C-2096: MOUNTING GP-ENGINE & XMSN

7C-2096 MOUNTING GP-ENGINE & XMSN
S/N 4ER1-UP
PART OF 112-5829, 116-2891, 277-9643 INSTALLATION AR-ENGINE
i00125283 SEBP2540
7C2096 MOUNTING GP-ENGINE & XMSN Parts scheme
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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  
    (EACH INCLUDES)
  9W-8095 [1] PAD-REBOUND  
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. 211-9274 [1] SUPPORT (RH)  
14. 211-9275 [1] SUPPORT (LH)  
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
 

#SEBP25400055
 

2P-9647: PAN GP-OIL

2P-9647 PAN GP-OIL
S/N 6NC1-33951; 8TD10000-99999; 08Z96238-99999; 10Z46473-UP
PART OF 110-5760, 116-2890 ENGINE AR, 274-3980 ENGINE AR-COMPLETE
i00125148 SEBP2540
2P9647 PAN GP-OIL Parts scheme
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Parts for your 12H MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4M-2969 [1] GASKET-PAN PLATE  
2. 8S-1965 [1] GASKET-OIL PAN  
3. 2Y-9326 [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. 5N-8780 [1] PLUG-DRAIN (ENGINE OIL PAN)  
8. 2P-1738 [1] PLATE AS-OIL PAN  
  1S-5304 [1] LUG  
  6J-2237 [7] BOSS-WELD  
 

#SEBP25400056
 

1W-6588: PISTON & ROD GP

1W-6588 PISTON & ROD GP
S/N 6NC1-33951; 8TD10000-99999; 08Z96238-99999; 10Z46473-UP
PART OF 110-5760, 116-2890 ENGINE AR, 274-3980 ENGINE AR-COMPLETE
i00125130 SEBP2540
1W6588 PISTON & ROD GP Parts scheme
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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
 

#SEBP25400057
 

2P-6224: SEAL GP-CRANKSHAFT

2P-6224 SEAL GP-CRANKSHAFT
S/N 6NC1-33951; 8TD10000-99999; 08Z96238-99999; 10Z46473-UP
PART OF 110-5760, 116-2890 ENGINE AR, 274-3980 ENGINE AR-COMPLETE
i00125142 SEBP2540
2P6224 SEAL GP-CRANKSHAFT Parts scheme
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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)  
2. 362-8853 [1] SEAL GP-CRANKSHAFT (CLOCKWISE ROTATION)  
    -OR-
  9Y-9895 [1] SEAL GP-CRANKSHAFT (CLOCKWISE ROTATION)  
 

#SEBP25400058
 

7C-3626: SUPPORT GP-ENGINE

7C-3626 SUPPORT GP-ENGINE
S/N 6NC1-33951; 8TD10000-99999; 08Z96238-99999; 10Z46473-UP
PART OF 110-5760, 116-2890 ENGINE AR, 274-3980 ENGINE AR-COMPLETE
i00125290 SEBP2540
7C3626 SUPPORT GP-ENGINE Parts scheme
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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)  
 

#SEBP25400059
 

7C-7013: VALVE MECHANISM GP

7C-7013 VALVE MECHANISM GP
S/N 6NC1-33951; 8TD10000-99999; 08Z96238-99999; 10Z46473-UP
PART OF 7N-8026 VALVE MECHANISM GP
i00125299 SEBP2540
7C7013 VALVE MECHANISM GP Parts scheme
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Parts for your 12H MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8N-3251 [1] SHAFT-ROCKER ARM  
  6V-3508 [2] PLUG-CUP  
2. 3K-8460 [1] PLUG (1/2-20-THD)  
3. 7C-7011 [1] BRACKET-SHAFT  
4. 5M-4606 [1] DOWEL  
5. 4B-4910 [5] SPRING  
6. 9M-9886 [13] WASHER (31.75X19.05X0.08-MM THK)  
7. 5S-5879 [4] BRACKET-SHAFT  
8. 8N-3325 [6] ROCKER ARM GP (EXHAUST)  
9. 8N-3327 [6] ROCKER ARM GP (INLET)  
    (EACH ARM GP INCLUDES)
10. 3S-2713 [1] NUT-FULL (3/8-24-THD)  
11. 5S-5917 [1] SCREW  
12. 8S-1499 [1] BRACKET AS  
13. 1L-5072 [1] DOWEL  
14. 7N-0550 [2] WASHER-SPRING  
15. 9H-1113 [2] RING-RETAINING  
16. 8M-4448 [1] SEAL-O-RING  
17. 1B-7709 [1] BOLT (5/8-11X8-IN)  
  2S-0736 [1] WASHER-HARD (17X27X3.5-MM THK)  
  R   REMANUFACTURED PART MAY BE AVAILABLE
 

Information:

Disassembly and Assembly
Housing (Front) - Remove
3304B and 3306B Engines for Caterpillar Built Machines
Housing (Front) - Install
3304B and 3306B Engines for Caterpillar Built Machines

Caterpillar Parts SIS Catalog 12H :

398-2955 KIT-FRONT COVER GASKET
447-8653 KIT-CYLINDER HEAD GASKET
392-0637 KIT-CYLINDER HEAD GASKET
391-8935 KIT-CYLINDER HEAD GASKET
391-8256 KIT-CYLINDER HEAD GASKET
398-9357 KIT-CYLINDER HEAD
HOUSING GP-FRONT
8N-0303 HOUSING GP-FRONT
HOUSING GP-FLYWHEEL
7E-5681 HOUSING GP-FLYWHEEL
LIFTING GP-ENGINE
7N-9122 LIFTING GP-ENGINE
LINES GP-AIR COMPRESSOR
135-5094 LINES GP-AIR COMPRESSOR
LINES GP-AIR COMPRESSOR
7W-8411 LINES GP-AIR COMPRESSOR
MOUNTING GP-ENGINE & XMSN
7C-2096 MOUNTING GP-ENGINE & XMSN
PAN GP-OIL
2P-9647 PAN GP-OIL
PISTON & ROD GP
1W-6588 PISTON & ROD GP
SEAL GP-CRANKSHAFT
2P-6224 SEAL GP-CRANKSHAFT
SUPPORT GP-ENGINE
7C-3626 SUPPORT GP-ENGINE

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