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8L6378 FLYWHEEL GROUP 225 EXCAVATOR


BASIC ENGINE
FLYWHEEL GP
FUEL SYSTEM
CONTROL GP-GOVERNOR
GOVERNOR GP
PUMP GP-FUEL PRIMING
PUMP GP-FUEL TRANSFER
GOVERNOR GP

EXCAVATOR 225 EXCAVATOR 51U
 3208 VEHICULAR ENGINE 51U00590-01042 (MACHINE) UEG0815S 225 51U   (1972)

BASIC ENGINE

FLYWHEEL GP
FLYWHEEL GP
3N-0740 FLYWHEEL GP
FLYWHEEL GROUP
8L-6378 FLYWHEEL GROUP
 

#UEG0815S0030
 

8L-6378: FLYWHEEL GROUP

8L6378 FLYWHEEL GROUP
c119985 UEG0815S
8L6378 FLYWHEEL GROUP Parts scheme
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Parts for your 225 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4N-8544 C [1] FLYWHEEL ASSEM.  
    (Includes)
2. 9L-8113 [1] GEAR (134 teeth)  
3. 9L-7816 C [8] BOLT  
  C   INDICATES CHANGE
 

#UEG0815S0031
 

4N-9399: CONTROL GP-GOVERNOR

4N9399 GOVERNOR CONTROL GROUP
c205107 UEG0815S
4N9399 CONTROL GP-GOVERNOR Parts scheme
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Parts for your 225 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6N-3646 C [1] LEVER-GOVERNOR CONT  
2. 2A-0762 [1] BOLT  
  5P-0537 [1] WASHER  
  C   CHANGE FROM PREVIOUS TYPE
 

#UEG0815S0032
 

4N-3868: GOVERNOR CONTROL GROUP

4N3868 GOVERNOR CONTROL GROUP
Serial No. 79V1 to 79V1329 inclusive
c146782 UEG0815S
4N3868 GOVERNOR CONTROL GROUP Parts scheme
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Parts for your 225 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9L-7996 [1] LEVER ASSEM.  
2. 9L-7820 [1] SPRING  
3. 5P-2534 C [1] BOLT  
4. 9L-7819 [1] LEVER  
5. 0L-1351 [1] BOLT  
  3B-4506 [1] LOCKWASHER  
6. 9S-3148 [1] BRACKET ASSEM.  
    (Includes)
7. 4D-2619 [1] BEARING  
  C   INDICATES CHANGE
 

#UEG0815S0033
 

4N-3868: GOVERNOR CONTROL GROUP

4N3868 GOVERNOR CONTROL GROUP
Serial No. 79V1330-Up
c153375 UEG0815S
4N3868 GOVERNOR CONTROL GROUP Parts scheme
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Parts for your 225 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9N-0983 C [1] LEVER ASSEM.  
2. 9L-7820 [1] SPRING  
3. 5P-2534 [1] BOLT  
4. 9N-0984 C [1] LEVER  
5. 9S-3148 [1] BRACKET ASSEM.  
    (Includes)
6. 4D-2619 [1] BEARING  
  C   INDICATES CHANGE
 

#UEG0815S0034
 

4N-7959: CONVERSION GP-GOVERNOR

4N7959 DASHPOT GOVERNOR CONVERSION GROUP--Field Installation
Note: Allows Field Changeover from Standard to Dashpot Type Governor
c153324 UEG0815S
4N7959 CONVERSION GP-GOVERNOR Parts scheme
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Parts for your 225 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6N-1744 [1] HOUSING AS-GOVERNOR  
    (INCLUDES)
2. 4N-2786 [1] SEAL-LIP  
3. 8S-6814 [2] PIN  
4. 4N-2333 [1] PIN-SPRING  
5. 9L-9503 [1] DOWEL-HOLLOW  
6. 4N-0532 [1] GASKET-COVER  
7. 3H-0442 [1] SEAL-O-RING  
8. 4N-0508 [1] GASKET-COVER  
9. 4N-9019 [1] DOWEL  
10. 4N-2955 [3] BOLT-SOCKET HEAD  
11. 4N-1723 [1] SHIELD-CARRIER  
12. 4N-5579 [1] SEAT AS-SPRING  
13. 6N-2517 [1] SPRING-DASHPOT  
14. 4N-0556 [1] GASKET-GOVERNOR HOUSING  
15. 4N-6408 [1] PISTON AS  
    (INCLUDES)
16. 4N-6407 [1] SPOOL-DASHPOT  
17. 4N-6406 [1] RING-SPACER  
18. 4N-6404 [1] RING-RETAINING  
19. 8M-5260 [1] SEAL-O-RING  
20. 8M-8157 [1] SEAL  
21. 4N-5482 [1] SHAFT-WEIGHT CARRIER  
 

#UEG0815S0035
 

4N-3287: PUMP GP-FUEL PRIMING

4N3287 FUEL PRIMING PUMP GROUP
Only separate parts serviced
c119981 UEG0815S
4N3287 PUMP GP-FUEL PRIMING Parts scheme
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Parts for your 225 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1P-0436 [1] GASKET  
2. 4B-3388 [1] BOLT (5/16-18X1.125IN)LG  
    -OR-
  1B-7182 C [1] BOLT (5/16-18X1.25IN)LG  
  9M-1974 C [1] WASHER (.313IN)DIA  
3. 0S-1616 [1] BOLT (1/4-20X1IN)LG  
    -OR-
  9F-6580 C [1] BOLT (1/4-20X1.125IN)LG  
  5P-0537 C [1] WASHER (.25IN)DIA  
4. 4N-2511 [1] PUMP AS-FUEL PRIMING  
  C   CHANGE FROM PREVIOUS TYPE
 

#UEG0815S0036
 

9L-7838: FUEL PUMP DRIVE GROUP

9L7838 FUEL PUMP DRIVE GROUP
c116630 UEG0815S
9L7838 FUEL PUMP DRIVE GROUP Parts scheme
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Parts for your 225 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. [1] SHAFT ASSEM.  
2. [1] SLEEVE  
3. [1] WASHER  
4. [1] GEAR  
 

#UEG0815S0037
 

4N-5951: GOVERNOR AND FUEL INJECTION PUMP GROUP

4N5951 GOVERNOR AND FUEL INJECTION PUMP GROUP
4N9993 Control and 4N2128 Pump parts are shown on
Pages 27 and 28. Only separate parts serviced
When complete Group is required order 1-9N681 Pump,
1-4N9314 Shut-Off, 1-4N9993 Control and 1-4N9226 Spring
c119975 UEG0815S
4N5951 GOVERNOR AND FUEL INJECTION PUMP GROUP Parts scheme
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Parts for your 225 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4N-0443 [1] PIN  
2. 4N-9993 [1] CONTROL GROUP  
3. 4N-2128 Y [1] PUMP GROUP  
    (Separate Illustration)
4. 4N-9226 [1] SPRING (outer)  
5. 4N-5663 [1] SPRING (inner)  
  Y   SEPARATE ILLUSTRATION
 

#UEG0815S0038
 

4N-6583: GOVERNOR AND FUEL INJECTION PUMP GROUP

4N6583 GOVERNOR AND FUEL INJECTION PUMP GROUP
4N8815 Control and 4N2128 Pump parts are shown on
Pages 27 and 28. Only separate parts serviced. When
complete Group is required, order 1-9N681 Pump, 1-4N9314
Shut-off, 1-4N9993 Control and 1-4N9226 Spring
c119984 UEG0815S
4N6583 GOVERNOR AND FUEL INJECTION PUMP GROUP Parts scheme
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Parts for your 225 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4N-8815 C [1] CONTROL GROUP  
2. 4N-2128 Y [1] PUMP GROUP  
    (Separate Illustration)
3. 4N-9226 C [1] SPRING (outer)  
4. 4N-5663 C [1] SPRING (inner)  
5. 4N-0443 C [1] PIN  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#UEG0815S0039
 

9N-0681: GOV & FUEL INJ PUMP GP

9N681 GOVERNOR AND FUEL INJECTION PUMP GROUP
6N509 Control and 6N1085 Governor and Fuel Injection Pump parts are shown on Pages 26, 34, 35, 36 and 37
c205103 UEG0815S
9N0681 GOV & FUEL INJ PUMP GP Parts scheme
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Parts for your 225 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6N-1085 YC [1] PUMP GROUP  
    (Separate Illustration)
2. 5P-0537 [4] WASHER  
3. 4N-8507 [1] COVER  
4. 6N-0509 YC [1] CONTROL GROUP  
    (Separate Illustration)
5. 0S-1616 [4] BOLT  
6. 4N-0117 [1] GASKET  
7. 3L-5987 [1] COVER  
  6L-5773 [1] GASKET  
8. 4N-0443 [1] PIN  
11. 4N-4277 [1] SEAT  
12. 4N-5663 [1] SPRING (inner)  
13. 9L-6508 [1] SPRING (outer)  
14. 4N-4276 [1] SEAT  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

Information:

Specifications
Flywheel
4.5" BORE, V8 VEHICLE ENGINE (DIRECT INJECTION)
Flywheel
3208 VEHICULAR ENGINE
Flywheel Runout
3208 VEHICULAR ENGINE
Flywheel Housing Runout
3208 VEHICULAR ENGINE
Flywheel Housing Bore
3208 VEHICULAR ENGINE
Reuse And Salvage Guidelines
Reuse and Salvage for Flywheel Assemblies {1156}
Reuse and Salvage for Flywheel Assemblies {1156}
Disassembly and Assembly
Flywheel
225 EXCAVATOR ENGINE
Flywheel Housing
225 EXCAVATOR ENGINE
Service Magazine
Comparison And Applications Of Six And Eight Counterweight Crankshafts{1202,1156}
1981/08/17
Engine Storage; Engine Start-Up After Storage{1000}
1982/02/22
Service Information For Easier Use Of The 6V3100 Timing Indicator Group{0651,1250,1156,1157}
1982/10/11
Wider Crankshaft Gear Used{1202,1204,1206}
1982/10/11
Flywheel Housing With 6° Offset Transmission Mounting Holes Must Be Used In GMC Trucks{1000,1157}
1986/06/09
Check For Extra Holes In Crankshaft Flange If Oil Leaks From Between The Flywheel And Crankshaft Flange{1156,1202}
1977/09/05
Modification To Prevent Starter From Remaining Engaged With Flywheel After Engine Starts{1400,1450}
1987/03/16
New Flywheel Ring Gear Available To Improve Starter Engagement{1158,1454}
1990/04/02

Caterpillar Parts SIS Catalog 225 :

FLYWHEEL GP
3N-0740 FLYWHEEL GP
CRANKSHAFT BEARING REPLACEMENTS
CONNECTING ROD AND PISTON
9L-8570 CONNECTING ROD AND PISTON
GASKET KITS
CRANKSHAFT GROUP
3N-2963 CRANKSHAFT GROUP
OIL PAN GROUP
2N-3906 OIL PAN GROUP
OIL PAN GROUP
3N-2982 OIL PAN GROUP
LUBRICATING SYSTEM
9L-8306 LUBRICATING SYSTEM
CONTROL GP-GOVERNOR
4N-9399 CONTROL GP-GOVERNOR
GOVERNOR CONTROL GROUP
4N-3868 GOVERNOR CONTROL GROUP
GOVERNOR CONTROL GROUP
4N-3868 GOVERNOR CONTROL GROUP
CONVERSION GP-GOVERNOR
4N-7959 CONVERSION GP-GOVERNOR
PUMP GP-FUEL PRIMING
4N-3287 PUMP GP-FUEL PRIMING
FUEL PUMP DRIVE GROUP
9L-7838 FUEL PUMP DRIVE GROUP
GOVERNOR AND FUEL INJECTION PUMP GROUP
4N-5951 GOVERNOR AND FUEL INJECTION PUMP GROUP
GOVERNOR AND FUEL INJECTION PUMP GROUP
4N-6583 GOVERNOR AND FUEL INJECTION PUMP GROUP

Truck sale:

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Call 
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USD $26,900 
1977 CAT 225

Construction Station
Wayne, Michigan
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