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2W7458 CRANKSHAFT AS*R S/N 7Y291-UP PART OF 6N8079 CRANKSHAFT ALSO FIELD REPLACEMENT OF 4N7697 G3306


BASIC ENGINE
CRANKSHAFT GP
CAMSHAFT GP
PISTON & ROD GP

GAS ENGINE G3306 GAS ENGINE 07Y
 G3306 ENGINE 07Y00001-04278 SEBP1213 G3306 07Y   (1978)

BASIC ENGINE

CRANKSHAFT GP
CRANKSHAFT SERVICE THRUST PLATE-FIELD INSTALLATION
CRANKSHAFT GP
6N-8079 CRANKSHAFT GP
CRANKSHAFT AS
2W-7458 CRANKSHAFT AS
CRANKSHAFT GP
6N-8079 CRANKSHAFT GP
CRANKSHAFT BEARING REPLACEMENTS
SEAL GP-CRANKSHAFT
2P-6224 SEAL GP-CRANKSHAFT
 

#SEBP12130030
 

2W-7458: CRANKSHAFT AS

2W7458 CRANKSHAFT AS*R
S/N 7Y291-UP
PART OF 6N8079 CRANKSHAFT
ALSO FIELD REPLACEMENT OF 4N7697
c488582 SEBP1213
2W7458 CRANKSHAFT AS Parts scheme
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Parts for your G3306 GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9F-2247 [6] PLUG  
2. 1W-4405 [1] GEAR-CRANKSHAFT (40 TEETH)  
3. 5H-2671 [1] KEY-WOODRUFF  
 

#SEBP12130031
 

6N-8079: CRANKSHAFT GP

6N8079 CRANKSHAFT GP
S/N 7Y3278-UP
2W7458-PAGE 12B
c563711 SEBP1213
6N8079 CRANKSHAFT GP Parts scheme
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Parts for your G3306 GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 100-3652 [2] PLATE-THRUST  
2. 2W-7458 RY [1] CRANKSHAFT AS  
3. 4W-5738 C [7] BEARING-MAIN (STANDARD)  
  8N-8225 AJ [7] BEARING-MAIN (.25MM US)  
  8N-8226 AJ [7] BEARING-MAIN (.51MM US)  
  8N-8227 AJ [7] BEARING-MAIN (.76MM US)  
  8N-8228 AJ [7] BEARING-MAIN (.51MM OS)  
  8N-8229 AJ [7] BEARING-MAIN (.25MM US .51MM OS)  
  4P-7305 AJ [7] BEARING-MAIN  
    (.051MM US .51MM OS)
  4P-7306 AJ [7] BEARING-MAIN  
    (.76MM US .51MM OS)
   
    J-USE AS REQUIRED
  A   NOT PART OF THIS GROUP
  C   CHANGE FROM PREVIOUS TYPE
  R   REMFG PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#SEBP12130032
 

CRANKSHAFT BEARING REPLACEMENTS

CRANKSHAFT BEARING REPLACEMENTS
SEBP12130032 SEBP1213
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Parts for your G3306 GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
   
    CYLINDER BLOCK NOT REBORED
    ----------------------------------------
    CRANKSHAFT GROUND FOR UNDERSIZE
    MAIN BEARING I.D. OF:
  8N-8225 [7] .25 MM  
  8N-8226 [7] .51 MM  
  8N-8227 [7] .76 MM  
    ----------------------------------------
    ----------------------------------------
    CYLINDER BLOCK REBORED (.51 MM)
    (FOR BEARING OVERSIZE O.D.)
    ________________________________________
    CRANKSHAFT GROUND FOR UNDERSIZE
    MAIN BEARING I.D. OF:
  8N-8228 [7] 0 (STANDARD)  
  8N-8229 [7] .25 MM  
 

#SEBP12130033
 

2P-6224: SEAL GP-CRANKSHAFT

2P6224 CRANKSHAFT SEAL GROUP
c490391 SEBP1213
2P6224 SEAL GP-CRANKSHAFT Parts scheme
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Parts for your G3306 GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4W-0452 [1] SEAL GP-CRANKSHAFT (COUNTERCLOCKWISE ROTATION)(REAR)  
2. 362-8853 [1] SEAL GP-CRANKSHAFT (CLOCKWISE ROTATION) (FRONT)  
   
    -OR-
   
  9Y-9895 [1] SEAL GP-CRANKSHAFT (CLOCKWISE ROTATION) (FRONT)  
 

#SEBP12130034
 

2P-6202: CAMSHAFT GP

2P6202 CAMSHAFT GROUP
c500722 SEBP1213
2P6202 CAMSHAFT GP Parts scheme
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Parts for your G3306 GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4P-2942 CR [1] CAMSHAFT AS  
2. 7S-2204 [1] WASHER-THRUST  
3. 8S-1491 [1] LOCK  
4. 0S-0509 [2] BOLT  
  C   CHANGE FROM PREVIOUS TYPE
  R   REMFG PART MAY BE AVAILABLE
 

#SEBP12130035
 

7L-0472: PISTON & ROD GP

7L0472 CONNECTING ROD & PISTON GROUP-10.5:1 RATIO
S/N 7Y438-3663
c571852 SEBP1213
7L0472 PISTON & ROD GP Parts scheme
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Parts for your G3306 GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8L-4166 [1] PISTON GP  
2. 5S-7570 [1] RING-PISTON TOP  
3. 9L-6934 [1] RING-PISTON (OIL)  
4. 9H-4015 [2] RETAINER-PIN  
5. 4W-5739 C [1] BEARING-CONNECTING ROD (STANDARD)  
  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. 8N-1984 CR [1] ROD AS-CONNECTION  
  8N-1985 C [1] BEARING-CONNECTING ROD  
7. 1P-9956 [2] BOLT-CONNECTING ROD  
8. 5S-6348 [2] NUT-SPECIAL  
9. 7N-9804 [1] PIN-PISTON  
  8L-6370 A [1] RING GP-PISTON  
    (INCLUDES A COMPLETE
    SET OF RINGS FOR
    ONE PISTON)
  A   NOT PART OF THIS GROUP
  C   CHANGE FROM PREVIOUS TYPE
  R   REMFG PART MAY BE AVAILABLE
 

#SEBP12130036
 

7L-0472: PISTON & ROD GP

7L0472 CONNECTING ROD AND PISTON GROUP-10.5:1 RATIO
S/N 7Y1-437
c571851 SEBP1213
7L0472 PISTON & ROD GP Parts scheme
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Parts for your G3306 GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8L-4166 [1] PISTON GP  
  8L-4165 [1] PISTON GP  
    (EACH INCLUDES)
2. 5S-7570 [2] RING-PISTON TOP  
3. 9S-2412 [2] RING (OIL)  
4. 9H-4015 [2] RETAINER-PIN  
5. 7M-7821 [1] BEARING-CONNECTING ROD (STANDARD)  
  2S-0502 [1] BEARING-.254MM US  
  2S-0503 [1] BEARING-.508MM US  
  7M-7826 [1] BEARING-.762MM US  
6. 5S-6360 [1] ROD AS-CONNECTION  
  7S-9347 [1] BEARING  
7. 1P-9956 C [2] BOLT-CONNECTING ROD  
8. 5S-6348 [2] NUT-SPECIAL  
9. 7N-9804 C [1] PIN-PISTON  
  8L-6370 [1] RING GP-PISTON (INCL A COMPLETE SET OF  
    RINGS FOR ONE PISTON)
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP12130037
 

4P-2698: PISTON & ROD GP

4P2698 PISTON & ROD GP-10.5:1 RATIO
S/N 7Y3664-UP
c600624 SEBP1213
4P2698 PISTON & ROD GP Parts scheme
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Parts for your G3306 GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4P-2654 R [1] BODY AS-PISTON  
2. 4P-2656 [1] RING-PISTON (TOP)  
3. 4P-2658 [1] RING-PISTON (OIL)  
4. 110-8722 [1] RING-PISTON  
5. 9H-4015 [2] RETAINER-PIN  
6. 4W-5739 [1] BEARING-CONNECTING ROD  
7. 8N-1984 R [1] ROD AS-CONNECTING  
  8N-1985 [1] BEARING-CONNECTING ROD  
8. 1P-9956 [2] BOLT-CONNECTING ROD  
9. 5S-6348 [2] NUT  
10. 7N-9804 [1] PIN-PISTON  
  R   REMFG PART MAY BE AVAILABLE
 

#SEBP12130038
 

8L-4446: PISTON & ROD GP

8L4446 CONNECTING ROD AND PISTON GROUP-8:1 RATIO
S/N 7Y438-3662
c511807 SEBP1213
8L4446 PISTON & ROD GP Parts scheme
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Parts for your G3306 GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8L-4165 [1] PISTON GP (8.1 RATIO)  
2. 5S-7570 [1] RING-PISTON TOP  
3. 9L-6934 [1] RING-PISTON (OIL)  
4. 9H-4015 [2] RETAINER-PIN  
5. 4W-5739 [1] BEARING-CONNECTING ROD (STANDARD)  
  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. 8N-1984 R [1] ROD AS-CONNECTION  
  8N-1985 [1] BEARING-CONNECTING ROD  
7. 1P-9956 [2] BOLT-CONNECTING ROD  
8. 5S-6348 [2] NUT-SPECIAL  
9. 7N-9804 [1] PIN-PISTON  
  8L-6370 A [1] RING GP-PISTON  
    (INCLUDES A COMPLETE SET
    OF RINGS FOR ONE PISTON)
  A   NOT PART OF THIS GROUP
  R   REMFG PART MAY BE AVAILABLE
 

#SEBP12130039
 

4P-2699: PISTON & ROD GP

4P2699 PISTON & ROD GP-8:1 RATIO
S/N 7Y3663-UP
c600625 SEBP1213
4P2699 PISTON & ROD GP Parts scheme
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Parts for your G3306 GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4P-2655 R [1] BODY AS-PISTON  
2. 4P-2656 [1] RING-PISTON (TOP)  
3. 4P-2658 [1] RING-PISTON (OIL)  
4. 110-8722 [1] RING-PISTON  
5. 9H-4015 [2] RETAINER-PIN  
6. 4W-5739 [1] BEARING-CONNECTING ROD  
7. 8N-1984 R [1] ROD AS-CONNECTING  
  8N-1985 [1] BEARING-CONNECTING ROD  
8. 1P-9956 [2] BOLT-CONNECTING ROD  
9. 5S-6348 [2] NUT  
10. 7N-9804 [1] PIN-PISTON  
  R   REMFG PART MAY BE AVAILABLE
 

Information:

Engine News
Four Crankshaft Rear Seals Are Available For Use On 3304 And 3306 Engines
1979/04/04
Check Crankshaft Seals During Installation Of Engine Overhaul Gasket Kits; Add A Wear Sleeve When Needed
1979/06/06
Crankshaft Rear Seal And Wear Sleeve Are Now Serviced As A Group Instead Of Separate Parts
1980/03/12
New Bend Specification For Used Or Field Reground Crankshafts
1980/08/13
Use 6V6035 Hardness Tester On Crankshafts
1982/02/24
New Crankshaft Assemblies
1982/11/10
Procedure To Clean Oil Passages In Crankshafts And Cylinder Blocks
1983/05/25
Crankshaft Failures
1983/11/30
Remanufactured Undersize Crankshafts Are Available
1984/04/11
New Rear Crankshaft Seal Group Used
1984/07/11
Why Choose Caterpillar Remanufactured Crankshafts? Because We Offer More ...
1985/09/01
New Crankshaft Counterweight Bolt And Washer Used
1989/11/01
Checking Crankshaft Journal Surface Hardness On Remanufactured Crankshafts
1991/01/01
New Front Crankshaft Seal Used{1160,1202}
1991/03/01
Procedure for Crankshafts that will not Rotate after Installation during a Rebuild {1202}
2008/09/15
An Improved Front Crankshaft Seal Is Used on G3300 Engines {1160, 1161}
2014/07/11
Operation and Maintenance Manual
Crankshaft Vibration Damper - Inspect
G3300 Engines
Special Instruction
Installing Crankshaft Seals And Wear Sleeves Using The Former 9S8868, 9S8873, 9S8881 And 9S8888 Tools Groups{1160, 1161, 0704}
Installing Crankshaft Seals And Wear Sleeves Using The Former 9S8868, 9S8873, 9S8881 And 9S8888 Tools Groups{1160, 1161, 0704}
Installation Of Service Replacement Thrust Plates{1203}
Installation Of Service Replacement Thrust Plates{1203}
Installation Of Crankshaft Seals And Wear Sleeves{1160, 1161}
Installation Of Crankshaft Seals And Wear Sleeves{1160, 1161}
Installation Of Crankshaft Seals And Wear Sleeves{1203}
Installation Of Crankshaft Seals And Wear Sleeves{1203}
Use Of 1P4000 Line Boring Tool Group{0672, 1201, 1203}
Use Of 1P4000 Line Boring Tool Group{0672, 1201, 1203}
Installation Of Service Replacement Crankshaft For A 3304 Or 3306 Engine{1202}
Installation Of Service Replacement Crankshaft For A 3304 Or 3306 Engine{1202}
Crankshaft Seal And Wear Sleeve Installation{1160, 1161}
Crankshaft Seal And Wear Sleeve Installation{1160, 1161}
Special Handling Information And Installation Instructions For Crankshaft Seal Groups That Have Hydrodynamic Grooves In The Sealing Lip{1160, 1161}
Special Handling Information And Installation Instructions For Crankshaft Seal Groups That Have Hydrodynamic Grooves In The Sealing Lip{1160, 1161}
Installation Of Seal Groups With Hydrodynamic Grooves In The Seal Lip{1160, 1161}
Installation Of Seal Groups With Hydrodynamic Grooves In The Seal Lip{1160, 1161}
Service Letter-NACD
PRODUCT IMPROVEMENT PROGRAM FOR CHECKING AND POSSIBLY REPLACING THE FRONT CRANKSHAFT SEAL ON CERTAIN G3300 ENGINES
PRODUCT IMPROVEMENT PROGRAM FOR CHECKING AND POSSIBLY REPLACING THE FRONT CRANKSHAFT SEAL ON CERTAIN G3300 ENGINES
Service Letter-Americas
Specifications
Crankshaft Pulley
G3304 and G3306 Engines
Crankshaft Wear Sleeves and Seals
G3304 and G3306 Engines
Crankshaft
G3304 and G3306 Engines
Connecting Rod and Main Bearing Journals
G3304 and G3306 Engines
Testing and Adjusting
Excessive Bearing Wear - Inspect
G3304 and G3306 Engines
Connecting Rod Bearings - Inspect
G3304 and G3306 Engines
Main Bearings - Inspect
G3304 and G3306 Engines
Disassembly and Assembly
Crankshaft Front Seal And Wear Sleeve
3306 NATURAL GAS ENGINE
Crankshaft Main Bearings
3306 NATURAL GAS ENGINE
Crankshaft Rear Seal And Wear Sleeve
3306 NATURAL GAS ENGINE
Crankshaft
3306 NATURAL GAS ENGINE
Vibration Damper and Pulley
3304 & 3306 NATURAL GAS ENGINES
Crankshaft Front Seal and Wear Sleeve
3304 & 3306 NATURAL GAS ENGINES
Crankshaft Main Bearings
3304 & 3306 NATURAL GAS ENGINES
Crankshaft Rear Seal and Wear Sleeve
3304 & 3306 NATURAL GAS ENGINES
Crankshaft (3306)
3304 & 3306 NATURAL GAS ENGINES
Crankshaft (3304)
3304 & 3306 NATURAL GAS ENGINES
Crankshaft Front Seal and Wear Sleeve - Remove
G3304 and G3306 Engines
Crankshaft Front Seal and Wear Sleeve - Install
G3304 and G3306 Engines
Crankshaft Main Bearings - Remove
G3304 and G3306 Engines
Crankshaft Main Bearings - Install
G3304 and G3306 Engines
Crankshaft Rear Seal and Wear Sleeve - Remove
G3304 and G3306 Engines
Crankshaft Rear Seal and Wear Sleeve - Install
G3304 and G3306 Engines
Crankshaft - Remove
G3304 and G3306 Engines
Crankshaft - Install
G3304 and G3306 Engines
Service Magazine
Crankshaft Rear Seal And Wear Sleeve Are Now Serviced As A Group Instead Of Separate Parts{1161}
1980/03/24
Engine Storage; Engine Start-Up After Storage{1000}
1982/02/22
Use 6V6035 Hardness Tester On Crankshafts{0651,1202}
1982/02/22
Inspection Marks On Bearings{7551,1230,1226,1203,1219,1227}
1982/05/03
New Connecting Rod And Main Bearings Have Thicker Layer Of Surface Material{1230,1203,1219}
1982/10/04
New Crankshaft Assemblies{1202,1204,1206,1207,1212}
1982/11/01
6V6142 And 6V6143 Installers Can Be Used To Install Crankshaft Seals And Wear Sleeves{0622,0626,1160,1161}
1982/11/01
Procedure To Clean Oil Passages In Crankshafts And Cylinder Blocks{0622,0675,1201,1202}
1983/05/16
Reuse Of Engine Bearings{1230}
1983/05/16
Crankshaft Failures{1202,1230}
1983/11/21
Reuse Of Engine Bearings{1230,1219,1203}
1983/11/21
Remanufactured Undersize Crankshafts Are Available{1202}
1983/11/21
New Connecting Rod And Main Bearings Used{1230,1219,1203}
1984/03/26
New Rear Crankshaft Seal Group Used {1161}
1984/06/25
Installing New Copper Bonded Bearings Can Extend Engine Life{1230,1203,1219}
1985/04/29
Remanufactured Crankshafts Are Available In Standard And Two Undersize Dimensions (U.S. and Canada){1202,7754}
1985/11/18
Crankshaft Seal Usage On 3300 Family of Engines{1160,1161}
1986/06/02
Bearing Failures On Engines Due To Lack Of Lubrication{1230,1219,1203,1202}
1986/09/08
Tools To Remove Wear Sleeves From Crankshafts{0621,7558}
1977/04/18
Tools To Install Crankshaft Seal And Wear Sleeve{1160,1161,0622}
1977/07/11
Crankshaft Support Groups Are Available To Measure Bent Crankshafts{0653,1202}
1977/11/07
Double Lip Seal With Hydrodynamic Grooves Used At Rear Of Crankshaft {1161,1200}
1987/09/28
Use New Main Bearings In Replacement Cylinder Blocks{1203,1201}
1978/06/12
Change In Procedure To Check Main Bearing Clearance{1203}
1978/08/28
Four Crankshaft Rear Seals Are Available For Use On 3304 And 3306 Engines{1161}
1979/03/26
Check Crankshaft Seals During Installation Of Engine Overhaul Gasket Kits; Add A Wear Sleeve When Needed{7555,7558,1161}
1979/06/04
New Centering Rings For Oversized Main Bearings{0665,1230}
1979/06/04
Improved Engine Design Uses Cylinder Block With Spacer Plate And New Crankshaft Thrust Plates{1000}
1979/07/02
New Crankshaft Counterweight Bolt And Washer Used{1231}
1989/10/23
Checking Crankshaft Journal Surface Hardness On Remanufactured Crankshafts{1202}
1991/01/07
New Front Crankshaft Seal Used{1160,1202}
1991/02/18
Oversize Main Bearings Used In Remanufactured Engines Are Also Available For Parts Service{1203}
1991/05/06
40 Power Microscope is Available for Inspecting Bearing Journals on Crankshafts {0777, 1202}
2006/01/16

Caterpillar Parts SIS Catalog G3306 :

CRANKSHAFT GP
6N-8079 CRANKSHAFT GP
CRANKSHAFT SERVICE THRUST PLATE-FIELD INSTALLATION
CRANKSHAFT GP
2P-6222 CRANKSHAFT GP
CRANKSHAFT AS
4N-7693 CRANKSHAFT AS
8N-6273 KIT-BLOCK HARDWARE
CYLINDER BLOCK GP
1N-3576 CYLINDER BLOCK GP
CYLINDER BLOCK AS
7N-6550 CYLINDER BLOCK AS
CYLINDER BLOCK GP
6N-8124 CYLINDER BLOCK GP
CRANKSHAFT GP
6N-8079 CRANKSHAFT GP
CRANKSHAFT BEARING REPLACEMENTS
SEAL GP-CRANKSHAFT
2P-6224 SEAL GP-CRANKSHAFT
CAMSHAFT GP
2P-6202 CAMSHAFT GP
PISTON & ROD GP
7L-0472 PISTON & ROD GP
PISTON & ROD GP
7L-0472 PISTON & ROD GP
PISTON & ROD GP
4P-2698 PISTON & ROD GP
PISTON & ROD GP
8L-4446 PISTON & ROD GP

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WAGNER EQUIPMENT CO
United States
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