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9Y-2286 COVER GP-VALVE MECHANISM S/N 37Y1424-UP G3304 GAS ENGINE


BASIC ENGINE
VALVE MECHANISM GP
CRANKSHAFT GP
CYLINDER BLOCK GP

GAS ENGINE G3304 GAS ENGINE 37Y
 G3304 ENGINE 37Y00001-UP SEBP1257 G3304 37Y   (1979)

BASIC ENGINE

VALVE MECHANISM GP
COVER GP-VALVE MECHANISM
7W-7538 COVER GP-VALVE MECHANISM
COVER GP-VALVE MECHANISM
8N-4446 COVER GP-VALVE MECHANISM
COVER GP-VALVE MECHANISM
9Y-2286 COVER GP-VALVE MECHANISM
VALVE MECHANISM GP
4W-9172 VALVE MECHANISM GP
VALVE MECHANISM GP
4W-9173 VALVE MECHANISM GP
VALVE MECHANISM GP
7N-8024 VALVE MECHANISM GP
 

#SEBP12570030
 

9Y-2286: COVER GP-VALVE MECHANISM

9Y-2286 COVER GP-VALVE MECHANISM
S/N 37Y1424-UP
i00439273 SEBP1257
9Y2286 COVER GP-VALVE MECHANISM Parts scheme
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Parts for your G3304 GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1H-5514 [11] BOLT (5/16-18X1.625-IN)  
2. 9M-1974 [11] WASHER-HARD (8.8X16X2-MM THK)  
3. 2W-1084 [1] COVER AS-CYLINDER HEAD  
4. 8S-1606 [2] GASKET-COVER (VALVE MECHANISM)  
5. 9Y-2285 [1] BASE-COVER  
 

#SEBP12570031
 

2W-7960: CRANKSHAFT AS

2W-7960 CRANKSHAFT AS
S/N 37Y1-1583
FIELD REPLACEMENT FOR @@@@@ 4N-7695@@@@@
i01735501 SEBP1257
2W7960 CRANKSHAFT AS Parts scheme
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Parts for your G3304 GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5H-2671 [1] KEY-WOODRUFF  
2. 8T-6757 [4] PLUG-PIPE  
3. 1W-4405 [1] GEAR-CRANKSHAFT (40-TEETH)  
4. 4N-7694 [1] CRANKSHAFT  
 

#SEBP12570032
 

337-0872: CRANKSHAFT AS

337-0872 CRANKSHAFT AS
S/N 37Y1-1583
FIELD REPLACEMENT FOR @@@@@ 4N-7695@@@@@
i04009955 SEBP1257
3370872 CRANKSHAFT AS Parts scheme
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Parts for your G3304 GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 321-6442 [1] CRANKSHAFT  
2. 1W-4405 [1] GEAR-CRANKSHAFT (40-TEETH)  
3. 5H-2671 [1] KEY-WOODRUFF  
4. 8T-6757 [4] PLUG-PIPE  
 

#SEBP12570033
 

4N-7692: CRANKSHAFT AS

4N-7692 CRANKSHAFT AS
S/N 37Y1-1583
FIELD REPLACEMENT FOR @@@@@ 4N-7695@@@@@
i00146014 SEBP1257
4N7692 CRANKSHAFT AS Parts scheme
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Parts for your G3304 GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5H-2671 [1] KEY-WOODRUFF  
2. 8T-6757 [4] PLUG-PIPE  
3. 1W-9812 [1] GEAR (40-TEETH)  
4. 321-6442 [1] CRANKSHAFT  
 

#SEBP12570034
 

4N-7695: CRANKSHAFT AS

4N-7695 CRANKSHAFT AS
S/N 37Y1-1583
PART OF 6N-8080 CRANKSHAFT GP
FIELD REPLACEMENT ORDER @@@@@ 2W-7960@@@@@, @@@@@ 4N-7692@@@@@, @@@@@337-0872@@@@@
i01066659 SEBP1257
4N7695 CRANKSHAFT AS Parts scheme
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Parts for your G3304 GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9F-2247 [4] PLUG-PIPE  
 

#SEBP12570035
 

6N-8080: CRANKSHAFT GP

6N-8080 CRANKSHAFT GP
S/N 37Y1-1583
i00146094 SEBP1257
6N8080 CRANKSHAFT GP Parts scheme
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Parts for your G3304 GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4W-5738 [5] BEARING-MAIN (STANDARD)  
  8N-8225 AB BEARING-MAIN (0.25-MM US)  
  8N-8226 AB BEARING-MAIN (0.51-MM US)  
  8N-8227 AB BEARING-MAIN (0.76-MM US)  
  8N-8228 AB BEARING-MAIN (0.51-MM OS)  
  8N-8229 AB BEARING-MAIN (0.25-MM US, 0.51-MM OS)(0.25-MM US, 0.51-MM OS)  
  4P-7305 AB BEARING-MAIN (0.51-MM OS, 0.51-MM US)  
  4P-7306 AB BEARING-MAIN (0.51-MM OS, 0.76-MM US)  
2. 7N-9342 [2] PLATE-THRUST  
3. 4N-7695 Y [1] CRANKSHAFT AS  
   
    AVAILABLE REPAIR KIT(S):
  196-9532 A KIT-BASIC ENGINE REPAIR (STANDARD MAIN BEARINGS)  
    (INCLUDES A COMPLETE SET OF STANDARD BEARINGS & THRUST PLATES)
  A   NOT PART OF THIS GROUP
  B   USE AS REQUIRED
  Y   SEPARATE ILLUSTRATION
 

#SEBP12570036
 

6N-8080: CRANKSHAFT GP

6N-8080 CRANKSHAFT GP
S/N 37Y1584-UP
i00146095 SEBP1257
6N8080 CRANKSHAFT GP Parts scheme
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Parts for your G3304 GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 232-3233 [5] BEARING-MAIN (STANDARD)  
  8N-8225 AB BEARING-MAIN (0.25-MM US)  
  8N-8226 AB BEARING-MAIN (0.51-MM US)  
  8N-8227 AB BEARING-MAIN (0.76-MM US)  
  8N-8228 AB BEARING-MAIN (0.51-MM OS)  
  8N-8229 AB BEARING-MAIN (0.25-MM US, 0.51-MM OS)(0.25-MM US, 0.51-MM OS)  
  4P-7305 AB BEARING-MAIN (0.51-MM OS, 0.51-MM US)  
  4P-7306 AB BEARING-MAIN (0.51-MM OS, 0.76-MM US)  
2. 100-3652 [2] PLATE-THRUST  
3. 337-0872 C [1] CRANKSHAFT AS  
  1W-4405 [1] GEAR-CRANKSHAFT (40-TEETH)  
  5H-2671 [1] KEY-WOODRUFF  
  8T-6757 [4] PLUG-PIPE  
   
    AVAILABLE REPAIR KIT(S):
  196-9532 A KIT-BASIC ENGINE REPAIR (STANDARD MAIN BEARINGS)  
    (INCLUDES A COMPLETE SET OF STANDARD MAIN BEARINGS & THRUST PLATES)
  A   NOT PART OF THIS GROUP
  B   USE AS REQUIRED
  C   CHANGE FROM PREVIOUS TYPE
  R   REMANUFACTURED PART MAY BE AVAILABLE
 

#SEBP12570037
 

7N-6552: CYLINDER BLOCK AS

7N-6552 CYLINDER BLOCK AS
S/N 37Y506-UP
PART OF 7N-8014 CYLINDER BLOCK GP
FIELD REPLACEMENT ORDER @@@@@ 1N-3574@@@@@, 6N-7725 KIT-CYLINDER BLOCK
i00146115 SEBP1257
7N6552 CYLINDER BLOCK AS Parts scheme
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Parts for your G3304 GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6N-8003 [5] CAP-CRANKSHAFT BEARING  
2. 7S-3224 [10] BOLT (5/8-11X5.25-IN)  
  2S-5658 [10] WASHER-HARD (17X29X3-MM THK)  
3. 371-5941 [4] LINER-CYLINDER  
4. 2W-6134 [4] BAND-FILLER  
5. 456-5581 [12] SEAL-O-RING  
   
  104-5512 ABF INSERT-LINER SEAT (0.822-MM THK)  
  104-5513 ABF INSERT-LINER SEAT (0.872-MM THK)  
  104-5511 ABF INSERT-LINER SEAT (0.772-MM THK)  
  104-5518 ABF INSERT-LINER SEAT (1.605-MM THK)  
  104-5515 ABF INSERT-LINER SEAT (1.555-MM THK)  
  104-5522 ABF INSERT-LINER SEAT (1.655-MM THK)  
  104-5527 ABF INSERT-LINER SEAT (2.71-MM THK)  
  104-5528 ABF INSERT-LINER SEAT (2.76-MM THK)  
  104-5526 ABF INSERT-LINER SEAT (2.66-MM THK)  
  104-5530 ABF INSERT-LINER SEAT (5.21-MM THK)  
  104-5529 ABF INSERT-LINER SEAT (5.16-MM THK)  
  104-5531 ABF INSERT-LINER SEAT (5.26-MM THK)  
  8S-6045 ABF SHIM (0.007-MM THK)(CYLINDER LINER)  
  8S-6046 ABF SHIM (0.008-MM THK)(CYLINDER LINER)  
  8S-6047 ABF SHIM (0.009-MM THK)(CYLINDER LINER)  
  8S-6048 ABF SHIM (0.015-MM THK)(CYLINDER LINER)  
  8S-6049 ABF SHIM (0.029-MM THK)(CYLINDER LINER)  
  A   NOT PART OF THIS GROUP
  B   USE AS REQUIRED
  F   NOT SHOWN
 

#SEBP12570038
 

1N-3574: CYLINDER BLOCK GP

1N-3574 CYLINDER BLOCK GP
S/N 37Y506-UP
FIELD REPLACEMENT FOR @@@@@ 7N-6552@@@@@
FIELD INSTALLATION
i00145903 SEBP1257
1N3574 CYLINDER BLOCK GP Parts scheme
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Parts for your G3304 GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2B-0858 [1] PLUG-PIPE  
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] BUSHING  
8. 8N-4110 [1] BUSHING  
9. 4B-3938 [2] PLUG-CUP  
10. 6N-8003 [5] CAP-CRANKSHAFT BEARING  
11. 7S-3224 [10] BOLT (5/8-11X5.25-IN)  
  2S-5658 [10] WASHER-HARD (17X29X3-MM THK)  
12. 5S-6419 [4] BUSHING  
13. 5S-6420 [2] BUSHING  
14. 4B-9782 [5] BALL  
15. 4B-5387 [1] PLUG-CUP  
16. 2A-3798 [2] DOWEL  
 

#SEBP12570039
 

1N-3574: CYLINDER BLOCK GP

1N-3574 CYLINDER BLOCK GP
S/N 37Y506-UP
FIELD REPLACEMENT FOR @@@@@ 7N-6552@@@@@
i00145904 SEBP1257
1N3574 CYLINDER BLOCK GP Parts scheme
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Parts for your G3304 GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3J-6019 C [1] PLUG  
2. 8K-1207 [2] DOWEL  
3. 5B-7652 [2] DOWEL  
4. 1S-9540 [1] DOWEL  
5. 8B-6349 [2] DOWEL (15.88MMX34.92MM)  
6. 5S-8462 [1] STUD  
7. 7M-4046 [2] BUSHING  
8. 8N-4110 [1] BUSHING  
9. 2A-3798 [2] DOWEL  
10. 6N-8003 [5] CAP-CRANKSHAFT BEARING  
11. 7S-3224 [10] BOLT (5/8-11X5.25-IN)  
  2S-5658 [10] WASHER-HARD (17X29X3-MM THK)  
12. 9Y-2991 [4] BUSHING  
13. 9Y-2992 [2] BUSHING  
14. 4B-9782 [5] BALL  
15. 4B-3938 C [1] PLUG-CUP  
  C   CHANGE FROM PREVIOUS TYPE
 

Information:

Engine News
New Rocker Arms And Rocker Arm Shaft Have Improved Lubrication
1979/08/22
Engine Valve Stem "Use Again" Specifications
1983/03/16
Improved Cylinder Heads And Valve Covers Used
1984/09/12
A New Book "Analyzing Diesel And Natural Gas Engine Valve Failures" Is Available
1985/03/01
Check For Interference Between Water Temperature Regulator And Cylinder Head Bore
1985/06/01
Valve Lash Adjustment Interval Is Changed
1986/07/01
Salvage Of Cylinder Heads By Using Oversized Valve Guides And Valve Inserts
1987/04/01
Silicone Water Passage Seal Can Be Used Where Contact With Oil Is Unavoidable During Assembly Of Cylinder Heads
1988/06/01
New Exhaust Valves Are Used In Caterpillar Remanufactured Cylinder Heads
1990/10/01
7S3161 Valve Lifter Has Three Different Designs
1991/10/01
New Cylinder Head Gasket Used
1992/02/01
New Cast Iron Valve Rocker Arm Groups Provide Improved Bearing Retention
1992/02/01
Correction For Camshaft And Valve Seat Specifications
1992/07/01
Correct Installation Of Valve Lifters On The Camshaft Is Very Important To Prevent Failures
1977/05/25
Tolerance Added To Valve Clearance Specifications
1978/01/18
Use Again Specifications For Valve Springs Are Changed
1978/03/01
Operation and Maintenance Manual
Engine Valve Rotators - Inspect
G3300 Engines
Engine Valve Lash - Inspect/Adjust
G3300 Engines
Special Instruction
Use Of The 1P7451 Valve Guide Honing Group{0673, 1104}
Use Of The 1P7451 Valve Guide Honing Group{0673, 1104}
Installing Heli-Coil Inserts In Caterpillar Cylinder Heads{1117}
Installing Heli-Coil Inserts In Caterpillar Cylinder Heads{1117}
Use Of 6V4805 Valve Seat Insert Puller Group{0703}
Use Of 6V4805 Valve Seat Insert Puller Group{0703}
Repair Of Precombustion Chamber And Direct Injection Adapter Seating Surfaces{1101}
Repair Of Precombustion Chamber And Direct Injection Adapter Seating Surfaces{1101}
Use Of 6V9050 Exhaust Stud Removal Group{1100}
Use Of 6V9050 Exhaust Stud Removal Group{1100}
Specifications
Valve Mechanism
G3304 and G3306 Engines
Valve Cover
G3304 and G3306 Engines
Information Release Memo
APPEARANCE CHANGE ON REMAN SHORT BLOCKS
APPEARANCE CHANGE ON REMAN SHORT BLOCKS
Testing and Adjusting
Finding the Top Center Position for the No. 1 Piston
G3304 and G3306 Engines
Engine Valve Lash - Inspect/Adjust
G3304 and G3306 Engines
Disassembly and Assembly
Valve Cover
3304 & 3306 NATURAL GAS ENGINES
Rocker Shaft and Push Rods
3304 & 3306 NATURAL GAS ENGINES
Rocker Shaft
3304 & 3306 NATURAL GAS ENGINES
Valves
3304 & 3306 NATURAL GAS ENGINES
Valve Guides
3304 & 3306 NATURAL GAS ENGINES
Valve Seat Inserts
3304 & 3306 NATURAL GAS ENGINES
Valve Lifters
3304 & 3306 NATURAL GAS ENGINES
Valve Cover - Remove and Install
G3304 and G3306 Engines
Valve Lifter - Remove
G3304 and G3306 Engines
Rocker Shaft and Push Rod - Remove
G3304 and G3306 Engines
Rocker Shaft and Push Rod - Install
G3304 and G3306 Engines
Rocker Shaft - Disassemble
G3304 and G3306 Engines
Rocker Shaft - Assemble
G3304 and G3306 Engines
Valve Lifter - Install
G3304 and G3306 Engines
Service Magazine
Engine Valve Stem "Use Again" Specifications{0653,1105}
1983/02/28
Valve Damage Can Be Caused By Short Intervals Of Engine Operation In Very Cold Temperatures{1105,1208}
1983/10/17
Improved Cylinder Heads And Valve Covers Used{1107,1101}
1984/09/10
Valve Lash Adjustment Not A Warranty Item {1102,1105}
1985/01/14
Valve Lash Adjustment Interval Is Changed {1105}
1986/07/07
Correct Installation Of Valve Lifters On The Camshaft Is Very Important To Prevent Failures{1209}
1977/05/16
Tools Now Available To Ream And/Or Hone 0.500" (12.70 mm) Diameter Valve Guides{0663}
1977/08/22
Larger Diameter Holes Are Now Used In The Rocker Arm Shaft To Give More Oil Flow To Rocker Arm Bearings{1102}
1977/11/21
Tolerance Added To Valve Clearance Specifications{1105,0374}
1978/01/16
Valve Damage Can Be Caused By Short Intervals Of Engine Operation In Very Cold Temperatures{1105,1208}
1978/01/30
Use Again Specifications For Valve Springs Are Changed{1108}
1978/03/06
Silicone Water Passage Seal Can Be Used Where Contact With Oil Is Unavoidable During Assembly Of Cylinder Heads{1100}
1988/06/06
A New Method To Clean And Polish Engine Valve Stems{0674,1105}
1979/05/28
Improved Engine Design Uses Cylinder Block With Spacer Plate And New Crankshaft Thrust Plates{1000}
1979/07/02
Why Engines Are Damaged By Fuel Sulfur{1104,1216,1280,1318,1215}
1979/08/27
New Rocker Arms And Rocker Arm Shaft Have Improved Lubrication{1102}
1979/08/27
Fuel Sulfur-Your Diesel's Silent Enemy{0375,1280}
1979/12/17
New Exhaust Valves Are Used In Caterpillar Remanufactured Cylinder Heads{1105,1101}
1990/10/08
New Shaft Bracket And Oil Supply Plug Used In Rocker Valve Shaft Assembly{1102,7553}
1991/03/25
7S3161 Valve Lifter Has Three Different Designs{1209}
1991/10/14
New Cast Iron Valve Rocker Arm Groups Provide Improved Bearing Retention{1123}
1992/02/03
New Cylinder Head Gasket Used{1124,1100,1101}
1992/02/17
Correction For Camshaft And Valve Seat Specifications{1210,1103}
1992/07/20
New Fuel Pump Drive Idler Gear Assembly And Shaft Used In Front Timing Gear Groups {1206}
1993/06/14

Caterpillar Parts SIS Catalog G3304 :

COVER GP-VALVE MECHANISM
8N-4446 COVER GP-VALVE MECHANISM
COVER GP-VALVE MECHANISM
7W-7538 COVER GP-VALVE MECHANISM
COVER GP-VALVE MECHANISM
3N-2921 COVER GP-VALVE MECHANISM
COVER GP-VALVE MECHANISM
2P-6514 COVER GP-VALVE MECHANISM
COVER GP-FRONT HOUSING
7N-4314 COVER GP-FRONT HOUSING
COVER GP-CYLINDER BLOCK
7N-1088 COVER GP-CYLINDER BLOCK
COVER GP-CYLINDER BLOCK
7N-1088 COVER GP-CYLINDER BLOCK
COVER GP-CYLINDER BLOCK
2W-0102 COVER GP-CYLINDER BLOCK
CRANKSHAFT AS
2W-7960 CRANKSHAFT AS
CRANKSHAFT AS
337-0872 CRANKSHAFT AS
CRANKSHAFT AS
4N-7692 CRANKSHAFT AS
CRANKSHAFT AS
4N-7695 CRANKSHAFT AS
CRANKSHAFT GP
6N-8080 CRANKSHAFT GP
CRANKSHAFT GP
6N-8080 CRANKSHAFT GP
CYLINDER BLOCK AS
7N-6552 CYLINDER BLOCK AS
CYLINDER BLOCK GP
1N-3574 CYLINDER BLOCK GP

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