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4N3976 ENGINE ARRANGEMENT--Part 1 of 2 3304 Engine Serial No. 78P18799 to 78P40899 inclusive. NOTE: WHEN ORDERING PARTS GIVE ENGINE ARRANGEMENT AND SERIAL NUMBER 518


ENGINE ARRANGEMENT
ENGINE AR
BASIC ENGINE
CYLINDER BLOCK GP

WHEEL SKIDDER 518 WHEEL SKIDDER 50S
 518 SKIDDER 50S01289-03229 (MACHINE) POWERED BY 3304 ENGINE SEBP1049 518 50S   (1971)

ENGINE ARRANGEMENT

ENGINE AR
4N-3976 ENGINE ARRANGEMENT
4N-3976 ENGINE ARRANGEMENT
7N-1523 ENGINE ARRANGEMENT
7N-1523 ENGINE ARRANGEMENT
 

#SEBP10490001
 

4N-3976: ENGINE ARRANGEMENT

4N3976 ENGINE ARRANGEMENT--Part 1 of 2
3304 Engine Serial No. 78P18799 to 78P40899 inclusive. NOTE: WHEN ORDERING
PARTS GIVE ENGINE ARRANGEMENT AND SERIAL NUMBER
SEBP10490001 SEBP1049
  For full view, you need register

Parts for your 518 WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  2P-6201 Y [1] CAMSHAFT GROUP  
  2P-6218 Y [1] CRANKSHAFT GROUP  
  2P-6224 Y [1] CRANKSHAFT SEAL GROUP  
  2P-6495 Y [1] CYLINDER BLOCK COVER GROUP  
  2P-6540 Y [1] CYLINDER BLOCK GROUP  
  5S-6425 Y [1] BALANCER GROUP  
  9S-8912 Y [4] CONNECTING ROD AND PISTON GROUP  
  1P-3840 Y [1] LIFTING EYE GROUP  
    - OR -
  6N-8326 Y [1] ENGINE LIFTING GROUP  
  2P-6484 Y [1] CYLINDER HEAD GROUP  
  2P-6514 Y [1] VALVE MECHANISM COVER GROUP  
  2P-6524 Y [1] VALVE MECHANISM GROUP  
  2P-6544 Y [1] CYLINDER HEAD FASTENER GROUP  
  2P-6246 Y [1] TRUNNION GROUP  
    - OR -
  7N-8614 Y [1] TRUNNION GROUP  
  2P-6498 Y [1] FRONT HOUSING FASTENER GROUP  
  2P-6529 Y [1] FRONT HOUSING COVER GROUP  
  2P-7757 Y [1] ENGINE SUPPORT GROUP  
    - OR -
  7N-8998 Y [1] ENGINE SUPPORT GROUP  
  2P-7831 Y [1] FAN DRIVE GROUP  
  2P-8598 Y [1] CRANKSHAFT HUB GROUP  
  2P-8609 Y [1] PULLEY GROUP  
  2P-9641 Y [1] FRONT HOUSING GROUP  
  2P-9642 Y [1] FRONT TIMING GEAR GROUP  
  2P-6166 Y [1] FLYWHEEL HOUSING GROUP  
  7S-7877 Y [1] FLYWHEEL GROUP  
  2P-6155 Y [1] OIL PAN GROUP  
  2P-6189 Y [1] OIL PAN FASTENER GROUP  
  Y   SEPARATE ILLUSTRATION
 

#SEBP10490002
 

4N-3976: ENGINE ARRANGEMENT

4N3976 ENGINE ARRANGEMENT--Part 2 of 2
3304 Engine Serial No. 78P18799 to 78P40899 inclusive. NOTE: WHEN
ORDERING PARTS GIVE ENGINE ARRANGEMENT AND SERIAL NUMBER
SEBP10490002 SEBP1049
  For full view, you need register

Parts for your 518 WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  1P-4244 Y [1] BREATHER GROUP  
  2P-1784 Y [1] OIL PUMP GROUP  
  2P-6475 Y [1] OIL FILTER GROUP  
  2P-6512 Y [1] OIL LINES GROUP  
  2P-6855 Y [1] OIL FILLER GROUP  
  2P-6491 Y [1] OIL LEVEL GAUGE GROUP  
  2P-0661 RY [1] WATER PUMP GROUP  
  2P-6188 Y [1] WATER LINES GROUP  
  2P-6215 Y [1] ENGINE OIL COOLER GROUP  
  2P-6508 Y [1] TRANSMISSION OIL COOLER GROUP  
  4N-3923 Y [1] TURBOCHARGER OIL LINES GROUP  
  4N-6856 Y [1] TURBOCHARGER GROUP  
  2P-6533 Y [1] EXHAUST MANIFOLD FASTENER GROUP  
  2P-6571 Y [1] EXHAUST MANIFOLD GROUP  
  2P-6844 Y [1] AIR LINES GROUP  
  2P-7796 Y [1] AIR COMPRESSOR LINES GROUP  
    - OR -
  7N-3796 Y [1] AIR COMPRESSOR LINES GROUP  
  2P-8710 Y [1] AIR COMPRESSOR GROUP  
    - OR -
  7N-3797 Y [1] AIR COMPRESSOR GROUP  
  4N-4314 Y [1] FUEL PRIMING PUMP GROUP  
  4N-4510 Y [1] GOVERNOR COVER GROUP  
  6N-0285 Y [1] GOVERNOR AND FUEL INJECTION PUMP GROUP  
  6N-0717 Y [1] FUEL INJECTION VALVES AND LINES GROUP  
    - OR -
  7N-3461 Y [1] FUEL INJECTION VALVES AND LINES GROUP  
  1P-2299 Y [1] FUEL FILTER ASSEMBLY  
  7N-3616 Y [1] DRAIN LINES GROUP  
  5S-8500 Y [1] GLOW PLUG GROUP  
  7S-4090 Y [1] ELECTRIC STARTING MOTOR GROUP  
    - OR -
  4N-7765 Y [1] ELECTRIC STARTING MOTOR GROUP  
    NOTE: REFER TO INDEX FOR PAGE LOCATION OF GASKET KITS
  R   REMFG PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#SEBP10490003
 

7N-1523: ENGINE ARRANGEMENT

7N1523 ENGINE ARRANGEMENT--Part 1 of 2
3304 Engine Serial No. 78P40900-Up
NOTE: WHEN ORDERING PARTS GIVE ENGINE ARRANGEMENT AND
SERIAL NUMBER
SEBP10490003 SEBP1049
  For full view, you need register

Parts for your 518 WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  2P-6540 Y [1] CYLINDER BLOCK GROUP  
    - OR -
  7N-8014 Y [1] CYLINDER BLOCK GROUP  
  2P-6495 Y [1] CYLINDER BLOCK COVER GROUP  
    - OR -
  7N-1088 Y [1] CYLINDER BLOCK COVER GROUP  
  2P-6218 Y [1] CRANKSHAFT GROUP  
    - OR -
  6N-8080 Y [1] CRANKSHAFT GROUP  
  2P-6224 Y [1] CRANKSHAFT SEAL GROUP  
  9S-8912 Y [4] CONNECTING ROD AND PISTON GROUP  
  2P-6201 Y [1] CAMSHAFT GROUP  
  5S-6425 Y [1] BALANCER GROUP  
  2P-6484 Y [1] CYLINDER HEAD GROUP  
    - OR -
  6N-8101 Y [1] CYLINDER HEAD GROUP  
  2P-6544 Y [1] CYLINDER HEAD FASTENER GROUP  
    - OR -
  7N-9534 Y [1] CYLINDER HEAD FASTENER GROUP  
  2P-6524 Y [1] VALVE MECHANISM GROUP  
    - OR -
  7N-8024 Y [1] VALVE MECHANISM GROUP  
  2P-6514 Y [1] VALVE MECHANISM COVER GROUP  
  6N-8326 Y [1] ENGINE LIFTING GROUP  
    - OR -
  8N-9696 Y [1] ENGINE LIFTING GROUP  
  2P-9641 Y [1] FRONT HOUSING GROUP  
  2P-6529 Y [1] FRONT HOUSING COVER GROUP  
  2P-6498 Y [1] FRONT HOUSING FASTENER GROUP  
  2P-9642 Y [1] FRONT TIMING GEAR GROUP  
  7N-8614 Y [1] TRUNNION GROUP  
    - OR -
  7N-9589 Y [1] TRUNNION GROUP  
  7N-2887 Y [1] PULLEY GROUP  
  2P-8598 Y [1] CRANKSHAFT HUB GROUP  
  7N-8998 Y [1] ENGINE SUPPORT GROUP  
    - OR -
  7N-9595 Y [1] ENGINE SUPPORT GROUP  
  2P-6166 Y [1] FLYWHEEL HOUSING GROUP  
    - OR -
  8N-5014 Y [1] FLYWHEEL HOUSING GROUP  
  7S-7877 Y [1] FLYWHEEL GROUP  
  Y   SEPARATE ILLUSTRATION
 

#SEBP10490004
 

7N-1523: ENGINE ARRANGEMENT

7N1523 ENGINE ARRANGEMENT--Part 2 of 2
3304 Engine Serial No. 78P40900-Up. NOTE: WHEN ORDERING PARTS
GIVE ENGINE ARRANGEMENT AND SERIAL NUMBER
SEBP10490004 SEBP1049
  For full view, you need register

Parts for your 518 WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  2P-6155 Y [1] OIL PAN GROUP  
  2P-6189 Y [1] OIL PAN FASTENER GROUP  
  2P-1784 Y [1] ENGINE OIL PUMP GROUP  
  2P-6512 Y [1] ENGINE OIL LINES GROUP  
  2P-6475 Y [1] OIL FILTER GROUP  
  2P-6855 Y [1] OIL FILLER GROUP  
  1P-4244 Y [1] BREATHER GROUP  
  2P-6491 Y [1] OIL LEVEL GAUGE GROUP  
  7N-5908 Y [1] WATER PUMP GROUP  
  7N-7211 Y [1] WATER LINES GROUP  
  2P-6215 Y [1] ENGINE OIL COOLER GROUP  
  2P-6508 Y [1] TRANSMISSION OIL COOLER GROUP  
  2P-6571 Y [1] EXHAUST MANIFOLD GROUP  
  2P-6533 Y [1] EXHAUST MANIFOLD FASTENER GROUP  
  2P-8710 Y [1] AIR COMPRESSOR GROUP  
  2P-7796 Y [1] AIR COMPRESSOR LINES GROUP  
  7N-4185 Y [1] AIR LINES GROUP  
  4N-6856 Y [1] TURBOCHARGER GROUP  
  4N-3923 Y [1] TURBOCHARGER OIL LINES GROUP  
  1P-2299 Y [1] FUEL FILTER ASSEMBLY  
  4N-4314 Y [1] FUEL PRIMING PUMP GROUP  
  6N-0285 Y [1] GOVERNOR & FUEL INJECTION PUMP GROUP  
    - OR -
  8N-8337 Y [1] GOVERNOR & FUEL INJECTION PUMP GROUP  
  7N-3461 Y [1] FUEL INJECTION LINES GROUP  
  4N-4510 Y [1] GOVERNOR COVER GROUP  
  7N-3616 Y [1] DRAIN LINES GROUP  
  5S-8500 Y [1] GLOW PLUG GROUP  
  Y   SEPARATE ILLUSTRATION
 

#SEBP10490005
 

2P-6495: COVER GP

2P6495 CYLINDER BLOCK COVER GROUP
Engine Serial No. 78P18799 to 78P47087 inclusive
c215147 SEBP1049
2P6495 COVER GP Parts scheme
  For full view, you need register

Parts for your 518 WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 0L-1351 C [10] BOLT  
2. 8L-8662 C [1] COVER  
  5S-8055 [1] GASKET  
3. 5M-2894 C [12] WASHER  
4. 2A-3798 [2] DOWEL  
5. 8S-0876 [1] COVER  
  8S-0877 [1] GASKET  
6. 1A-2029 C [2] BOLT  
7. 5M-1903 [1] COVER  
  4M-2250 [1] GASKET  
8. 8M-3267 C [1] SCREW  
9. 4B-5387 PLUG 2.40 cm(.945 in.) diameter  
    -OR-
  4B-3938 C PLUG 2.89 cm(1.138 in.) diameter  
  C   INDICATES CHANGE
 

#SEBP10490006
 

2P-6540: CYLINDER BLOCK GP

2P6540 CYLINDER BLOCK GROUP
Engine Serial No. 78P18799 to 78P47087 inclusive
2P8774 Block parts are shown on Page 19
c205642 SEBP1049
2P6540 CYLINDER BLOCK GP Parts scheme
  For full view, you need register

Parts for your 518 WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8M-9307 [1] PLUG  
  6F-7062 [1] GASKET  
2. 7H-3171 [1] PLUG  
3. 5S-6670 [12] SEAL  
4. 2P-8889 [4] LINER  
5. 5M-6214 [1] PLUG  
6. 2P-8774 RY [1] BLOCK ASSEM.  
    (Separate Illustration)
7. 9L-5854 C [4] BAND  
  R   REMFG PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
  C   INDICATES CHANGE
 

#SEBP10490007
 

7N-8014: CYLINDER BLOCK GP

7N8014 CYLINDER BLOCK GROUP
Engine Serial No. 78P47088 to 78P57459 inclusive
6N8127 Block parts are shown on Page 19B
c221852 SEBP1049
7N8014 CYLINDER BLOCK GP Parts scheme
  For full view, you need register

Parts for your 518 WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3S-5496 [1] SEAL  
2. 2P-8889 [4] LINER  
3. 7H-3171 [1] PLUG  
4. 3J-5389 [2] PLUG  
5. 8M-9307 [1] PLUG  
  6F-7062 [1] GASKET  
6. 5M-6213 [2] PLUG  
7. [4] BAND  
8. 7N-8021 [1] PLATE  
9. 5S-6670 [12] SEAL  
10. 7N-8020 [1] GASKET  
11. 6N-8127 Y [1] BLOCK ASSEM.  
    (Separate Illustration)
12. 5M-6214 [1] PLUG  
  Y   SEPARATE ILLUSTRATION
 

#SEBP10490008
 

7N-8014: CYLINDER BLOCK GP

7N8014 CYLINDER BLOCK GROUP
Engine Serial No. 78P57460-Up
7N6552 Block parts are shown on Page 18A-2
c232390 SEBP1049
7N8014 CYLINDER BLOCK GP Parts scheme
  For full view, you need register

Parts for your 518 WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3S-5496 [1] SEAL  
2. 1S-9540 [1] DOWEL  
3. 7H-3171 [1] PLUG  
4. 3J-5389 [2] PLUG  
5. 8M-9307 [1] PLUG  
  6F-7062 [1] WASHER  
6. 5M-6213 [2] PLUG  
7. 7M-4046 [2] BEARING  
8. 7N-8021 [1] PLATE  
9. 5B-7652 [2] DOWEL  
10. 7N-8020 [1] GASKET  
11. 7N-6552 CY [1] BLOCK ASSEM.  
    (Separate Illustration)
12. 5M-6214 [1] PLUG  
13. 8K-1207 [2] DOWEL  
14. 8B-6349 [2] DOWEL  
15. 5S-8462 [1] STUD  
16. 8N-4110 [1] BEARING  
17. 4B-9782 [5] BALL  
18. 5S-6419 [4] BEARING  
19. 5S-6420 [2] BEARING  
20. 2B-0858 [1] PLUG  
21. 4B-5387 [1] PLUG  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#SEBP10490009
 

7N-6552: CYLINDER BLOCK AS

7N6552 CYLINDER BLOCK ASSEMBLY
Engine Serial No. 78P57460-Up
For Field Replacement order 1N3574 shown on Page 18A-4
Part of 7N8014 Cylinder Block Group shown on Page 18A-1
c232391 SEBP1049
7N6552 CYLINDER BLOCK AS Parts scheme
  For full view, you need register

Parts for your 518 WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6N-8003 [5] CAP-CRANKSHAFT BEARING  
2. 7S-3224 [10] BOLT  
  2S-5658 [10] WASHER-HARD  
3. 2P-8889 [4] LINER-CYLINDER  
4. 2W-6134 [4] BAND-FILLER  
5. 5S-6670 [12] SEAL-O-RING  
 

Information:

Caterpillar Parts SIS Catalog 518 :

4N-3976 ENGINE ARRANGEMENT
7N-1523 ENGINE ARRANGEMENT
7N-1523 ENGINE ARRANGEMENT
COVER GP
2P-6495 COVER GP
CYLINDER BLOCK GP
2P-6540 CYLINDER BLOCK GP
CYLINDER BLOCK GP
7N-8014 CYLINDER BLOCK GP
CYLINDER BLOCK GP
7N-8014 CYLINDER BLOCK GP
CYLINDER BLOCK AS
7N-6552 CYLINDER BLOCK AS

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