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2P6226 CRANKSHAFT SEAL GROUP 637D WHEEL SCRAPER


BASIC ENGINE
CRANKSHAFT GP
PISTON & ROD GP
CAMSHAFT GP
PISTON & ROD GP
CYLINDER HEAD GP

WHEEL SCRAPER 637D WHEEL SCRAPER 20W
 637D SCRAPERS 20W00001-00494 (MACHINE) POWERED BY 3306 ENGINE SEBP1061 637D 20W   (1976)

BASIC ENGINE

CRANKSHAFT GP
CRANKSHAFT GP
2P-6222 CRANKSHAFT GP
CRANKSHAFT AS
4N-7693 CRANKSHAFT AS
CRANKSHAFT GP
2P-6222 CRANKSHAFT GP
CRANKSHAFT GP
6N-8079 CRANKSHAFT GP
CRANKSHAFT SERVICE THRUST PLATE
SEAL GP-CRANKSHAFT
2P-6226 SEAL GP-CRANKSHAFT
CRANKSHAFT BEARING REPLACEMENTS
CRANKSHAFT BEARING REPLACEMENTS
PULLEY GP-CRANKSHAFT
7N-2879 PULLEY GP-CRANKSHAFT
 

#SEBP10610020
 

2P-6226: SEAL GP-CRANKSHAFT

2P6226 CRANKSHAFT SEAL GROUP
c210718 SEBP1061
2P6226 SEAL GP-CRANKSHAFT Parts scheme
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Parts for your 637D WHEEL SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6N-8853 C [1] SEAL-LIP TYPE  
2. 2P-3858 [1] SLEEVE-WEAR  
3. 2P-3859 [1] SLEEVE-WEAR  
4. 5S-6296 [1] SEAL-LIP TYPE  
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP10610021
 

CRANKSHAFT BEARING REPLACEMENTS

CRANKSHAFT BEARING REPLACEMENTS
SEBP10610021 SEBP1061
None CRANKSHAFT BEARING REPLACEMENTS Parts scheme
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Parts for your 637D WHEEL SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
 

#SEBP10610022
 

9N-1291: PISTON & ROD GP

9N1291 CONNECTING ROD AND PISTON GROUP--6 Required
Engine Serial No. 3N39326 to 3N89891 inclusive
c176140 SEBP1061
9N1291 PISTON & ROD GP Parts scheme
  For full view, you need register

Parts for your 637D WHEEL SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7N-9805 C [1] PIN-PISTON  
2. 1S-9543 [2] RETAINER-PIN  
3. 6N-8069 C [1] ROD AS-CONNECTING  
  8N-0703 [1] BEARING  
4. 1P-9956 [2] BOLT-CONNECTING ROD  
  5S-6348 [2] NUT-SPECIAL  
5. 4N-6258 [1] BEARING-CONNECTING ROD  
  2S-0502 A [1] BEARING-.254MM US (.010IN)  
  2S-0503 A [1] BEARING-.508MM US (.020IN)  
  7M-7826 A [1] BEARING-.762MM US (.030IN)  
6. 9N-1303 [1] PISTON GP  
7. 9L-6934 [1] RING-PISTON (OIL)  
8. 9L-6933 [1] RING-PISTON INTERMEDIATE  
9. 9L-6932 [1] RING-PISTON TOP  
  9L-6935 A [1] RING GP-PISTON  
    (INCL A COMPLETE SET
    OF RINGS FOR ONE
    PISTON)
  A   NOT PART OF THIS GROUP
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP10610023
 

2P-6202: CAMSHAFT GP-SINGLE

2P6202 CAMSHAFT GROUP
c226144 SEBP1061
2P6202 CAMSHAFT GP-SINGLE Parts scheme
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Parts for your 637D WHEEL SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8N-3981 C [1] CAMSHAFT  
2. 7S-2204 [1] WASHER-THRUST  
3. 8S-1491 [1] LOCK  
4. 0S-0509 [2] BOLT  
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP10610024
 

9N-1291: PISTON & ROD GP

9N1291 CONNECTING ROD AND PISTON GROUP--6 Required
Engine Serial No. 3N89892-Up
c232244 SEBP1061
9N1291 PISTON & ROD GP Parts scheme
  For full view, you need register

Parts for your 637D WHEEL SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7N-9805 [1] PIN-PISTON  
2. 1S-9543 [2] RETAINER-PIN  
3. 8N-1721 CR [1] ROD AS-CONNECTING  
  8N-1849 [1] BEARING-CONNECTING ROD  
4. 1P-9956 [2] BOLT-CONNECTING ROD  
  5S-6348 [2] NUT-SPECIAL  
5. 8N-8219 C [1] BEARING-CONNECTING ROD  
  8N-8221 CJ [1] BEARING-CONNECTING ROD .254MM(.010IN)  
  8N-8222 CJ [1] BEARING-CONNECTING ROD .508MM(.020IN)  
  8N-8223 CJ [1] BEARING-CONNECTING ROD .762MM(.030IN)  
6. 9N-5404 C [1] PISTON GP  
7. 9L-6934 [1] RING-PISTON (OIL)  
8. 9L-6933 [1] RING-PISTON INTERMEDIATE  
9. 9L-6932 [1] RING-PISTON TOP  
  9L-6935 [1] RING GP-PISTON  
    INCL A COMPLETE SET OF RINGS FOR ONE PISTON
  C   CHANGE FROM PREVIOUS TYPE
  R   REMFG PART MAY BE AVAILABLE
  J   NOT PART OF 9N1291 CONNECTING ROD AND PISTON GROUP
 

#SEBP10610025
 

9N-2382: CYLINDER HEAD GP

9N2382 CYLINDER HEAD GROUP
Engine Serial No. 3N39326 to 3N55449 inclusive
4N7446 Cylinder Head parts are shown on Page 24
c157908 SEBP1061
9N2382 CYLINDER HEAD GP Parts scheme
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Parts for your 637D WHEEL SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7S-8809 [6] VALVE (intake)  
2. 2A-4429 [24] LOCK  
3. 5S-5874 [12] ROTOCOIL  
4. 7S-7144 [12] SPRING  
5. 9S-8679 [6] CHAMBER ASSEM.  
  7S-3206 [6] SEAL  
  5M-2667 [6] GASKET 4.93 mm(.194 in.) thick  
  2S-8959 [6] GASKET 5.67 mm(.223 in.) thick  
  2S-8960 [6] GASKET 6.30 mm(.248 in.) thick  
6. 7S-6767 [6] VALVE (exhaust)  
7. 4N-7446 Y [1] HEAD ASSEM.  
    (Separate Illustration)
8. 6N-7263 [1] GASKET  
  Y   SEPARATE ILLUSTRATION
 

#SEBP10610026
 

9N-2382: CYLINDER HEAD GP

9N2382 CYLINDER HEAD GROUP
Engine Serial No. 3N55450 to 3N74334 inclusive
6N8889 Cylinder Head parts are shown on Page 24A
c166718 SEBP1061
9N2382 CYLINDER HEAD GP Parts scheme
  For full view, you need register

Parts for your 637D WHEEL SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7S-8809 [6] VALVE-INLET  
2. 2A-4429 [24] LOCK-RETAINER  
3. 5S-5874 [12] ROTOCOIL AS  
4. 7S-7144 [12] SPRING-VALVE  
5. 9S-8679 [6] CHAMBER AS  
  7S-3206 [6] SEAL-O-RING  
  5M-2667 [6] GASKET-CHAMBER 4.93MM(.194IN)THICK  
  2S-8959 [6] GASKET-CHAMBER 5.67MM(.223IN)THICK  
  2S-8960 [6] GASKET-CHAMBER 6.30MM(.248IN)THICK  
6. 7S-6767 [6] VALVE-EXHAUST  
7. 6N-8889 CY [1] CYLINDER HEAD AS  
8. 6N-7263 [1] GASKET-CYLINDER HEAD  
  C   CHANGE FROM PREVIOUS TYPE
  Y   SEPARATE ILLUSTRATION
 

#SEBP10610027
 

9N-2382: CYLINDER HEAD GP

9N2382 CYLINDER HEAD GROUP
Engine Serial No. 3N74335 to 3N79762 inclusive
c182195 SEBP1061
9N2382 CYLINDER HEAD GP Parts scheme
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Parts for your 637D WHEEL SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7S-7144 [12] SPRING-VALVE  
2. 1W-5300 C [12] ROTOCOIL AS  
3. 2A-4429 [24] LOCK-RETAINER  
4. 6N-8120 C [1] CYLINDER HEAD AS  
5. 0S-1594 [4] BOLT  
6. 5M-2894 [4] WASHER  
7. 1P-6367 [1] COVER  
8. 5S-6735 [1] GASKET  
9. 3B-0623 [6] PLUG-CUP  
10. 3S-8313 [7] PLUG-CUP  
11. 1S-3062 [18] DIRECTOR-WATER  
12. 2B-0858 [3] PLUG-PIPE  
13. 7N-4448 [6] INSERT (INTAKE)  
14. 5S-7221 [6] INSERT (EXHAUST)  
15. 2P-1262 [12] GUIDE-VALVE  
16. 7N-2597 [1] SPACER  
17. 7S-3206 [6] SEAL-O-RING  
18. 9S-8679 [6] CHAMBER AS  
19. 6N-7263 [1] GASKET-CYLINDER HEAD  
20. 9N-6117 C [6] VALVE-INLET  
21. 8N-0875 C [6] VALVE-EXHAUST  
   
   
   
   
   
22. 5M-2667 [6] GASKET-CHAMBER 4.93MM(.194IN)THK  
  2S-8959 [6] GASKET-CHAMBER 5.66MM(.223IN)THK  
  2S-8960 [6] GASKET-CHAMBER 6.3MM(.248IN)THK  
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP10610028
 

9N-3561: CYLINDER HEAD GP

9N3561 CYLINDER HEAD GROUP
Engine Serial No. 3N79763 to 3N91962 inclusive
8N1187 Cylinder Head parts are shown on Page 24B
c226249 SEBP1061
9N3561 CYLINDER HEAD GP Parts scheme
  For full view, you need register

Parts for your 637D WHEEL SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7S-7144 [12] SPRING  
2. 5S-5874 [12] ROTOCOIL ASSEM.  
3. 2A-4429 [24] LOCK  
4. 8N-1187 RY [1] HEAD GROUP  
    (Separate Illustration)
5. 7S-8809 [6] VALVE (intake)  
6. 8N-0875 [6] VALVE (exhaust)  
7. 7N-8025 [18] SEAL  
8. 2P-1262 [12] GUIDE  
9. 2B-0858 [3] PLUG  
10. 3S-5496 [1] SEAL  
11. 7N-8018 [6] SEAL  
12. 5M-2667 [6] GASKET 4.93 mm(.194 in.) thick  
  2S-8959 [6] GASKET 5.66 mm(.223 in.) thick  
  2S-8960 [6] GASKET 6.3 mm(.248 in.) thick  
13. 7S-3206 [6] SEAL  
14. 9S-8679 [6] CHAMBER ASSEM.  
15. 7N-7999 [1] GASKET  
  R   REMFG PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#SEBP10610029
 

9N-3561: CYLINDER HEAD GP

9N3561 CYLINDER HEAD GROUP
Engine Serial No. 3N91963-Up
8N1187 Cylinder Head parts are shown on Page 24B
c176861 SEBP1061
9N3561 CYLINDER HEAD GP Parts scheme
  For full view, you need register

Parts for your 637D WHEEL SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7S-7144 [12] SPRING  
2. 8N-7782 C [12] ROTOCOIL ASSEM.  
3. 2A-4429 [24] LOCK  
4. 8N-1187 RY [1] HEAD GROUP  
    (Separate Illustration)
5. 7S-8809 [6] VALVE (intake)  
6. 8N-0875 [6] VALVE (exhaust)  
7. 7N-8025 [18] SEAL  
8. 2P-1262 [12] GUIDE  
9. 2B-0858 [3] PLUG  
10. 3S-5496 [1] SEAL  
11. 7N-8018 [6] SEAL  
12. 5M-2667 [6] GASKET 4.93 mm(.194 in.) thick  
  2S-8959 [6] GASKET 5.66 mm(.223 in.) thick  
  2S-8960 [6] GASKET 6.3 mm(.248 in.) thick  
13. 7S-3206 [6] SEAL  
14. 9S-8679 [6] CHAMBER ASSEM.  
15. 7N-7999 [1] GASKET  
  R   REMFG PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
  C   INDICATES CHANGE
 

Information:

Tool Operating Manual
420-7630 Main Bearing Cap Lifting Device{0599, 0629, 0632, 0701, 1201, 1203, 1230}
420-7630 Main Bearing Cap Lifting Device{0599, 0629, 0632, 0701, 1201, 1203, 1230}
Reuse And Salvage Guidelines
Inspection and Reconditioning Procedures of Main Bearing Bores in Cylinder Blocks {1201, 1202, 1224, 1224}
Inspection and Reconditioning Procedures of Main Bearing Bores in Cylinder Blocks {1201, 1202, 1224, 1224}
Reuse and Salvage for Crankshafts {0674, 1202}
Reuse and Salvage for Crankshafts {0674, 1202}
Visual Inspection of Main Bearings and Connecting Rod Bearings {1202, 1203, 1225, 1230}
Visual Inspection of Main Bearings and Connecting Rod Bearings {1202, 1203, 1225, 1230}
Reuse and Salvage for Engine Dampers {1202, 1205}
Reuse and Salvage for Engine Dampers {1202, 1205}
Service Magazine
Use the 171-7212 Wear Sleeve to Repair the Crankshaft Hub {1160}
2011/09/20
A New Type of Main Bearing is Available {1203}
2005/12/26
40 Power Microscope is Available for Inspecting Bearing Journals on Crankshafts {0777, 1202}
2006/01/16

Caterpillar Parts SIS Catalog 637D :

CRANKSHAFT SERVICE THRUST PLATE
CRANKSHAFT GP
6N-8079 CRANKSHAFT GP
CRANKSHAFT GP
2P-6222 CRANKSHAFT GP
CRANKSHAFT AS
4N-7693 CRANKSHAFT AS
CRANKSHAFT GP
2P-6222 CRANKSHAFT GP
8N-6273 KIT-BLOCK HARDWARE
CYLINDER BLOCK AS
7N-6550 CYLINDER BLOCK AS
CYLINDER BLOCK GP
6N-8124 CYLINDER BLOCK GP
CRANKSHAFT BEARING REPLACEMENTS
CRANKSHAFT BEARING REPLACEMENTS
PISTON & ROD GP
9N-1291 PISTON & ROD GP
CAMSHAFT GP-SINGLE
2P-6202 CAMSHAFT GP-SINGLE
PISTON & ROD GP
9N-1291 PISTON & ROD GP
CYLINDER HEAD GP
9N-2382 CYLINDER HEAD GP
CYLINDER HEAD GP
9N-2382 CYLINDER HEAD GP
CYLINDER HEAD GP
9N-2382 CYLINDER HEAD GP
CYLINDER HEAD GP
9N-3561 CYLINDER HEAD GP

Truck sale:

1979 CAT 637D
Call 
1979 CAT 637D

SEATTLE TRACTOR INT'L
Ravensdale, Washington
1976 CAT 637D
Call 
1976 CAT 637D

SEATTLE TRACTOR INT'L
Ravensdale, Washington
1978 CAT 637D
Call 
1978 CAT 637D

SEATTLE TRACTOR INT'L
Ravensdale, Washington
1978 CAT 637D
Call 
1978 CAT 637D

SEATTLE TRACTOR INT'L
Ravensdale, Washington
1979 CAT 637D
Call 
1979 CAT 637D

SEATTLE TRACTOR INT'L
Ravensdale, Washington
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