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1N3574 CYLINDER BLOCK GROUP Serial No. 78P57460-Up Provides Field Replacement for 7N6552 shown on Page 18A-2 518


BASIC ENGINE
CYLINDER BLOCK GP
CRANKSHAFT GP

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

BASIC ENGINE

CYLINDER BLOCK GP
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
CYLINDER BLOCK GP
1N-3574 CYLINDER BLOCK GP
COVER GP-CYLINDER BLOCK
7N-1088 COVER GP-CYLINDER BLOCK
8N-6274 KIT-CYLINDER BLOCK HARDWARE
CYLINDER BLOCK AS
2P-8774 CYLINDER BLOCK AS
CYLINDER BLOCK GP
6N-8127 CYLINDER BLOCK GP
 

#SEBP10490010
 

1N-3574: CYLINDER BLOCK GP

1N3574 CYLINDER BLOCK GROUP
Serial No. 78P57460-Up
Provides Field Replacement for 7N6552 shown on Page 18A-2
c232392 SEBP1049
1N3574 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. 2B-0858 [1] PLUG-PIPE  
2. 8K-1207 [2] PIN-DOWEL  
3. 5B-7652 [2] DOWEL  
4. 1S-9540 [1] DOWEL  
5. 8B-6349 [2] DOWEL  
6. 5S-8462 [1] STUD  
7. 7M-4046 [2] BEARING-SLEEVE  
8. 8N-4110 [1] BEARING-SLEEVE  
9. 4B-3938 [2] PLUG-CUP  
10. 6N-8003 [5] CAP-CRANKSHAFT BEARING  
11. 7S-3224 [10] BOLT  
  2S-5658 [10] WASHER-HARD  
12. 5S-6419 [4] BEARING-SLEEVE  
13. 5S-6420 [2] BEARING-SLEEVE  
14. 4B-9782 [5] BALL  
15. 4B-5387 [1] PLUG-CUP  
16. 2A-3798 [2] DOWEL  
 

#SEBP10490011
 

7N-1088: COVER GP-CYLINDER BLOCK

7N1088 CYLINDER BLOCK COVER GROUP
Engine Serial No. 78P47088-Up
c222692 SEBP1049
7N1088 COVER GP-CYLINDER BLOCK Parts scheme
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Parts for your 518 WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4B-3938 [1] PLUG-CUP  
2. 2A-3798 [2] DOWEL  
3. 1A-2029 [2] BOLT  
4. 5M-2894 [4] WASHER  
5. 4M-2250 [1] GASKET  
6. 5M-1903 [1] COVER  
7. 8L-8662 [1] COVER  
8. 5S-8055 [1] GASKET  
9. 0L-1351 [2] BOLT  
10. 8M-3267 [1] SCREW-HEX SOCKET  
 

#SEBP10490012
 

8N-6274: KIT-CYLINDER BLOCK HARDWARE

8N6274 CYLINDER BLOCK HARDWARE KIT--Field Installation
Engine Serial No. 78P18799 to 78P47087 inclusive. Note: Provides the necessary
hardware to allow a counterbore 3304 Engine to be serviced with a spacer plate block
SEBP10490012 SEBP1049
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Parts for your 518 WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  8N-3663 [1] PLATE  
  7N-8022 [1] GASKET  
  8N-3661 [1] GASKET  
  3J-5389 [2] PLUG  
  7N-8018 [4] SEAL  
  7N-8025 [12] SEAL  
  5B-9603 [5] BOLT  
  7N-9342 [2] PLATE  
  7N-9343 [2] PLATE  
  9S-1366 [1] BOLT  
  0S-1585 [2] BOLT  
 

#SEBP10490013
 

2P-8774: CYLINDER BLOCK AS

2P8774 CYLINDER BLOCK ASSEMBLY
Engine Serial No. 78P18799 to 78P47087 inclusive
Part of 2P6540 Cylinder Block Group shown on Page 18
c214988 SEBP1049
2P8774 CYLINDER BLOCK AS Parts scheme
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Parts for your 518 WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5M-6213 [1] PLUG  
2. 8B-1312 [2] DOWEL  
3. 5B-7652 [2] DOWEL  
4. 4B-5387 C [1] PLUG  
5. 7M-4046 [2] BEARING  
6. 8B-6349 [2] DOWEL  
7. 5S-8462 [1] STUD  
8. 9M-5477 [1] BEARING  
9. 1H-0974 [1] DOWEL  
10. 1P-2717 [5] BEARING CAP  
11. 7S-3224 [10] BOLT  
12. 2S-5658 [10] WASHER  
13. 8S-0835 [1] DOWEL  
14. 5S-6420 [2] BEARING  
15. 4B-9782 [5] BALL  
16. 5S-6419 [4] BEARING  
17. 2A-3798 [2] DOWEL  
18. 4B-5387 [2] PLUG 24.01 mm(.945 in.) hole dia.  
    -OR-
  4B-3938 C [2] PLUG 28.95 mm(1.14 in.) hole dia.  
  C   INDICATES CHANGE
 

#SEBP10490014
 

6N-8127: CYLINDER BLOCK GP

6N8127 CYLINDER BLOCK ASSEMBLY
Engine Serial No. 78P47088--Up
Part of 7N8014 Cylinder Block Group shown on Page 18A
c227964 SEBP1049
6N8127 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. 2B-0858 [1] PLUG  
2. 8K-1207 [2] DOWEL  
3. 5B-7652 [2] DOWEL  
4. 1S-9540 [1] DOWEL  
5. 8B-6349 [2] DOWEL  
6. 5S-8462 [1] STUD  
7. 7M-4046 [2] BEARING  
8. 8N-4110 C [1] BEARING  
9. 4B-3938 [2] PLUG  
10. 6N-8003 [5] CAP  
11. 7S-3224 [10] BOLT  
  2S-5658 [10] WASHER  
12. 5S-6419 [4] BEARING  
13. 5S-6420 [2] BEARING  
14. 4B-9782 [5] BALL  
15. 4B-5387 [1] PLUG  
16. 2A-3798 [2] DOWEL  
  C   INDICATES CHANGE
 

#SEBP10490015
 

2P-6218: CRANKSHAFT GP

2P6218 CRANKSHAFT GROUP
Engine Serial No. 78P18799 to 78P29149 inclusive
4N7695 Crankshaft Assembly is replaced by 4N7692
c155609 SEBP1049
2P6218 CRANKSHAFT GP Parts scheme
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Parts for your 518 WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2P-0716 [ 2] PLATE  
2. 4N-7695 [ 1] CRANKSHAFT ASSEM.  
3. 9F-2247 [ 4] PLUG  
4. 3S-9730 [ 5] BEARING  
 

#SEBP10490016
 

4N-7692: CRANKSHAFT AS

4N7692 CRANKSHAFT ASSEMBLY--Field Installation
c224348 SEBP1049
4N7692 CRANKSHAFT AS Parts scheme
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Parts for your 518 WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2P-3858 [1] SLEEVE-WEAR  
2. 9F-2247 [4] PLUG  
3. 7N-4525 C [1] GEAR-CRANKSHAFT  
    (40 TEETH)
4. 5H-2671 [1] KEY-WOODRUFF  
5. 2P-3859 [1] SLEEVE-WEAR  
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP10490017
 

2P-6218: CRANKSHAFT GP

2P6218 CRANKSHAFT GROUP
Engine Serial No. 78P29150 to 78P47087 inclusive
4N7695 Crankshaft Assembly is replaced by 4N7692 shown on Page 20
c211892 SEBP1049
2P6218 CRANKSHAFT GP Parts scheme
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Parts for your 518 WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6N-8940 C [2] PLATE  
2. 4N-7695 [1] CRANKSHAFT ASSEM.  
3. 9F-2247 [4] PLUG  
4. 3S-9730 [5] BEARING  
  C   INDICATES CHANGE
 

#SEBP10490018
 

6N-8080: CRANKSHAFT GP

6N8080 CRANKSHAFT GROUP
Engine Serial No. 78P47088--Up
4N7695 Crankshaft Assembly is replaced by 4N7692 shown on Page 20
c222680 SEBP1049
6N8080 CRANKSHAFT GP Parts scheme
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Parts for your 518 WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7N-9342 [2] PLATE  
2. 4N-7695 [1] CRANKSHAFT ASSEM.  
    (Includes)
3. 9F-2247 [4] PLUG  
4. 3S-9730 [5] BEARING  
 

#SEBP10490019
 

CRANKSHAFT SERVICE THRUST PLATE

CRANKSHAFT SERVICE THRUST PLATE--Field Installation
Provides a Thrust Plate to be used in the event a "Wide" Thrust Journal Crankshaft is
installed in a Spacer Plate Cylinder Block
SEBP10490019 SEBP1049
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Parts for your 518 WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  7N-9343 [1] THRUST PLATE  
 

Information:

Caterpillar Parts SIS Catalog 518 :

CYLINDER BLOCK AS
7N-6552 CYLINDER BLOCK AS
CYLINDER BLOCK GP
7N-8014 CYLINDER BLOCK GP
CYLINDER BLOCK GP
7N-8014 CYLINDER BLOCK GP
CYLINDER BLOCK GP
2P-6540 CYLINDER BLOCK GP
COVER GP
2P-6495 COVER GP
7N-1523 ENGINE ARRANGEMENT
7N-1523 ENGINE ARRANGEMENT
4N-3976 ENGINE ARRANGEMENT
COVER GP-CYLINDER BLOCK
7N-1088 COVER GP-CYLINDER BLOCK
8N-6274 KIT-CYLINDER BLOCK HARDWARE
CYLINDER BLOCK AS
2P-8774 CYLINDER BLOCK AS
CYLINDER BLOCK GP
6N-8127 CYLINDER BLOCK GP
CRANKSHAFT GP
2P-6218 CRANKSHAFT GP
CRANKSHAFT AS
4N-7692 CRANKSHAFT AS
CRANKSHAFT GP
2P-6218 CRANKSHAFT GP
CRANKSHAFT GP
6N-8080 CRANKSHAFT GP

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