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9N1291 CONNECTING ROD AND PISTON GROUP--6 Required 3306 INDUSTRIAL ENGINE


BASIC ENGINE
PISTON & ROD GP
CAMSHAFT GP
CYLINDER HEAD GP

INDUSTRIAL ENGINE 3306 INDUSTRIAL ENGINE 66D
 3306 INDUSTRIAL ENGINE 66D12370-26831 UEG0895S 3306 66D   (1972)

BASIC ENGINE

PISTON & ROD GP
PISTON & ROD GP
9N-1291 PISTON & ROD GP
PISTON & ROD GP
2P-6272 PISTON & ROD GP
 

#UEG0895S0060
 

9N-1291: PISTON & ROD GP

9N1291 CONNECTING ROD AND PISTON GROUP--6 Required
c176140 UEG0895S
9N1291 PISTON & ROD GP Parts scheme
  For full view, you need register

Parts for your 3306 INDUSTRIAL ENGINE:

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
 

#UEG0895S0061
 

2P-6272: PISTON & ROD GP

2P6272 CONNECTING ROD AND PISTON GROUP--6 Required
c222694 UEG0895S
2P6272 PISTON & ROD GP Parts scheme
  For full view, you need register

Parts for your 3306 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7N-9805 C [1] PIN-PISTON  
2. 1S-9543 [2] RETAINER-PIN  
3. 5S-2793 [1] ROD AS  
  8N-0703 C [1] BEARING  
4. 1P-9956 [2] BOLT-CONNECTING ROD  
  5S-6348 [2] NUT-SPECIAL  
5. 7M-7821 [1] BEARING-CONNECTING ROD  
  2S-0502 [1] BEARING-.254MM US (.010IN)  
  2S-0503 [1] BEARING-.508MM US (.020IN)  
  7M-7826 [1] BEARING-.762MM US (.030IN)  
6. 4N-9258 C [1] PISTON GP  
7. 9S-7788 [1] RING-PISTON OIL  
8. 5S-6750 [1] RING-INTERMEDIATE  
9. 9S-3029 [1] RING-PISTON TOP  
  9S-3068 C [1] RING GP  
    (CONSISTS OF COMPLETE
    SET OF RINGS FOR
    ONE PISTON)
  C   CHANGE FROM PREVIOUS TYPE
 

#UEG0895S0062
 

2P-6202: CAMSHAFT GP-SINGLE

2P6202 CAMSHAFT GROUP
c226144 UEG0895S
2P6202 CAMSHAFT GP-SINGLE Parts scheme
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Parts for your 3306 INDUSTRIAL ENGINE:

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
 

#UEG0895S0063
 

3N-3916: CYLINDER HEAD GP

3N3916 CYLINDER HEAD GROUP--Precombustion Chambered Turbocharged
Serial No. 66D12370 to 66D21946 inclusive
4N7446 Cylinder Head parts are shown on Page 31
c210719 UEG0895S
3N3916 CYLINDER HEAD GP Parts scheme
  For full view, you need register

Parts for your 3306 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7S-8809 [6] VALVE (intake)  
2. 2A-4429 [24] LOCK  
3. 5S-5874 C [12] ROTOCOIL  
4. 7S-7144 [12] SPRING  
5. 8S-3970 [6] CHAMBER ASSEM.  
  7S-3206 [6] SEAL  
  5M-2667 CH [6] GASKET  
6. 7S-6767 [6] VALVE (exhaust)  
7. 4N-7446 Y [1] HEAD ASSEM.  
    (Separate Illustration)
8. 5S-6281 [1] GASKET  
9. 2S-8959 CH [6] GASKET (Range 1)  
  2S-8960 CH [6] GASKET (Range 2)  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
  H   USE AS REQUIRED
 

#UEG0895S0064
 

3N-3916: CYLINDER HEAD GP

3N3916 CYLINDER HEAD GROUP--Precombustion Chambered Turbocharged
Serial No. 66D21947-Up
6N8889 Cylinder Head parts are shown on Page 31B
c166412 UEG0895S
3N3916 CYLINDER HEAD GP Parts scheme
  For full view, you need register

Parts for your 3306 INDUSTRIAL ENGINE:

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. 8S-3970 [6] CHAMBER ASSEM.  
  7S-3206 [6] SEAL  
  5M-2667 H [6] GASKET  
6. 7S-6767 [6] VALVE (exhaust)  
7. 6N-8889 CY [1] HEAD ASSEM.  
    (Separate Illustration)
8. 5S-6281 [1] GASKET  
9. 2S-8959 H [6] GASKET (Range 1)  
  2S-8960 H [6] GASKET (Range 2)  
  H   USE AS REQUIRED
  Y   SEPARATE ILLUSTRATION
  C   INDICATES CHANGE
 

#UEG0895S0065
 

9N-2382: CYLINDER HEAD GP

9N2382 CYLINDER HEAD GROUP--Precombustion Chambered Turbocharged Aftercooled
Serial No. 66D16053 to 66D21946 inclusive
4N7446 Cylinder Head parts are shown on Page 31
c157908 UEG0895S
9N2382 CYLINDER HEAD GP Parts scheme
  For full view, you need register

Parts for your 3306 INDUSTRIAL ENGINE:

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
 

#UEG0895S0066
 

9N-2382: CYLINDER HEAD GP

9N2382 CYLINDER HEAD GROUP--Precombustion Chambered Turbocharged Aftercooled
Serial No. 66D21947-Up
6N8889 Cylinder Head parts are shown on Page 31B
c166718 UEG0895S
9N2382 CYLINDER HEAD GP Parts scheme
  For full view, you need register

Parts for your 3306 INDUSTRIAL ENGINE:

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
 

#UEG0895S0067
 

2P-6486: CYLINDER HEAD GP

2P6486 CYLINDER HEAD GROUP
Serial No. 66D22100-Up
Part of 7N5889 Engine Arrangement listed on Page 17A
6N8889 Cylinder Head parts are shown on Page 31B
c215310 UEG0895S
2P6486 CYLINDER HEAD GP Parts scheme
  For full view, you need register

Parts for your 3306 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6N-8889 YC [1] HEAD ASSEM.  
    (Separate Illustration)
2. 5S-6452 [6] VALVE (intake)  
3. 5S-7232 [6] VALVE (exhaust)  
4. 7S-7144 [12] SPRING  
5. 2A-4429 [24] LOCK  
6. 5S-5874 [12] ROTOCOIL  
7. 8S-3970 [6] CHAMBER ASSEM.  
  7S-3206 [6] SEAL  
  5M-2667 C [6] GASKET 4.93 mm(.194 in.) thick  
  2S-8959 C [6] GASKET 5.66 mm(.223 in.) thick  
  2S-8960 C [6] GASKET 6.3 mm(.248 in.) thick  
8. 5S-6281 C [1] GASKET  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#UEG0895S0068
 

4N-7446: CYLINDER HEAD AS

4N7446 CYLINDER HEAD ASSEMBLY
Serial No. 66D12370 to 66D21946 inclusive
Part of 3N3916 & 9N2382 Cylinder Head Groups shown on Pages 30 & 30B
c205775 UEG0895S
4N7446 CYLINDER HEAD AS Parts scheme
  For full view, you need register

Parts for your 3306 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1S-3062 [18] DIRECTOR  
2. 2B-0858 C [3] PLUG  
3. 3B-0623 [6] PLUG  
4. 3S-8313 [7] PLUG  
5. 1P-6367 [1] COVER  
6. 5S-6735 [1] GASKET  
7. 0S-1594 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
8. 2P-1262 [12] GUIDE  
9. 5S-7218 [6] INSERT (intake)  
10. 5S-7221 [6] INSERT (exhaust)  
  C   INDICATES CHANGE
 

#UEG0895S0069
 

2P-6530: COVER GP-CYLINDER HEAD

2P6530 CYLINDER HEAD COVER GROUP
c218681 UEG0895S
2P6530 COVER GP-CYLINDER HEAD Parts scheme
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Parts for your 3306 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1P-6367 [1] COVER  
  5S-6735 [1] GASKET  
2. 2P-3201 [4] BOLT (Washer Head)  
    -OR-
  0S-1594 [4] BOLT (1 in.) long  
  5M-2894 [4] WASHER  
 

Information:

Engine News
Rod Bearings For Parts Service Have Reliefs (Grooves) Cut On The Outside Diameter
1979/06/20
Keystone Piston Groups Can Be Installed In Earlier Engines In Steiger Tractors
1979/09/19
New Piston Groups Have The Piston Pin Bore Off-Center, Away From The Thrust Side Of The Piston
1980/02/27
In The Future, Oversize And Undersize Connecting Rod And Main Bearings Will Have Size Identification Marks In Metric Units
1980/07/09
Carbon Cutting On Thrust Side Of Piston Top Land Is Normal Condition For Pistons With Offset (Not In Center) Pin Bores
1980/08/13
Engine Slobbering; New Piston And Rings Used
1981/10/21
Engine Slobbering; New Piston And Rings Used
1982/10/20
New Connecting Rod And Main Bearings Have Thicker Layer Of Surface Material
1982/10/20
Use 6V6147 Polishing Wheel To Clean Piston Pins
1982/11/10
New Piston Ring Group Used
1983/05/25
Remanufactured Connecting Rod Assemblies
1984/02/22
Increase Piston Reuse With Keystone Piston Ring Gauge Group
1986/07/01
Check Connecting Rods After Engine Failures Involving Hydraulic Lock
1986/12/01
Use Only Paint To Mark Connecting Rod Caps For Torque-Turn Method
1987/06/01
Testing Connecting Rod Eye Bushings When Overhauling Engines
1987/07/01
New Oil Control Piston Ring Used In 3300 Family Of Engines
1990/04/01
Verification of Connecting Rod Eye Bushing Retention When Overhauling Engines{1218}
1994/11/01
New Guidelines for Inspecting Pistons {1214}
2006/01/02
A New Connecting Rod Bearing is Available for Certain Commercial Engines {1219, 1225}
2012/08/15
A New Connecting Rod Bearing is Available {1218, 1219, 1225}
2009/02/09
Special Instruction
Using Caterpillar Cylinder Pack Pulling Tools{1239}
Using Caterpillar Cylinder Pack Pulling Tools{1239}
Piston Cleaning Procedure{1214}
Piston Cleaning Procedure{1214}
Use Of 5P8709 Tool Group For Alignment Of Piston Cooling Jets{1331}
Use Of 5P8709 Tool Group For Alignment Of Piston Cooling Jets{1331}
Using The 5P2050 Connecting Rod Checking Fixture{0767, 1218}
Using The 5P2050 Connecting Rod Checking Fixture{0767, 1218}
Piston Ring Gap Alignment Influence on High Blowby and Oil Consumption on All Engines {1000, 1215}
Piston Ring Gap Alignment Influence on High Blowby and Oil Consumption on All Engines {1000, 1215}
Technical Information Bulletin
Connecting Rod Bearings
Connecting Rod Bearings
Piston Ring Gap Alignment Influence on High Blowby and Oil Consumption on All Engines {1000, 1215}
Piston Ring Gap Alignment Influence on High Blowby and Oil Consumption on All Engines {1000, 1215}
Connecting Rods on Certain 3304 and 3306 Gas and Diesel Engines Have Failed{1225}
Connecting Rods on Certain 3304 and 3306 Gas and Diesel Engines Have Failed{1225}
Specifications
Connecting Rod
D330, D333, 3304, 3306 INDUSTRIAL & MARINE ENGINES
Piston And Rings
D330, D333, 3304, 3306 INDUSTRIAL & MARINE ENGINES
Pistons And Rings<BR> (With Keystone Piston Ring Groove)
3304 & 3306 INDUSTRIAL & MARINE ENGINES
Pistons And Rings
3304 & 3306 INDUSTRIAL & MARINE ENGINES
Connecting Rod
3304 & 3306 INDUSTRIAL & MARINE ENGINES
Bearing Surface (Journal) For Connecting Rods
3304 & 3306 INDUSTRIAL & MARINE ENGINES
Main Bearings And Connecting Rod Bearings
3304 & 3306 INDUSTRIAL & MARINE ENGINES
Tool Operating Manual
NEHS1227: 477-3197 C27 Piston Ring Gauge Group {0374, 0599, 0700, 0701, 1214, 1215}
NEHS1227: 477-3197 C27 Piston Ring Gauge Group {0374, 0599, 0700, 0701, 1214, 1215}
Reuse And Salvage Guidelines
Reuse and Salvage for Connecting Rods {1218}
Reuse and Salvage for Connecting Rods {1218}
Inspection Procedures and Specifications for Pistons and Piston Pins {1214, 1214}
Inspection Procedures and Specifications for Pistons and Piston Pins {1214, 1214}
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}
Disassembly and Assembly
Connecting Rod Bearings
D330, D333, 3304, 3306 INDUSTRIAL & MARINE ENGINES
Pistons
D330, D333, 3304, 3306 INDUSTRIAL & MARINE ENGINES
Pistons
3304 & 3306 INDUSTRIAL & MARINE ENGINES
Connecting Rod Bearings
3304 & 3306 INDUSTRIAL & MARINE ENGINES
Service Magazine
New Piston Groups Have The Piston Pin Bore Off-Center, Away From The Thrust Side Of The Piston{1214}
1980/01/21
6V2050 Tapered Rod Tool Group Available For Removal And Installation Of Bearings{1219,1218,1214}
1980/06/09
Carbon Cutting On Thrust Side Of Piston Top Land Is Normal Condition For Pistons With Offset (Not In Center) Pin Bores{1213,1214}
1980/08/11
Engine Slobbering; New Piston And Rings Used{1214,1215,1000,1225,1104,1052}
1981/10/12
Piston And Connecting Rod Assembly Storage Cabinet{0600}
1982/01/18
Use New Special Instruction To Install 5P6595 Insert In Cylinder Liner Seats{1216,0621}
1982/05/03
Inspection Marks On Bearings{7551,1230,1226,1203,1219,1227}
1982/05/03
New Bearing Standard: Quantity Of One Part Number Now Has Both Halves Of The Bearing{7551}
1982/08/09
New Connecting Rod And Main Bearings Have Thicker Layer Of Surface Material{1230,1203,1219}
1982/10/04
Engine Slobbering; New Piston And Rings Used{1214,1215,1000,1225,1104,1052}
1982/10/11
Use 6V6147 Polishing Wheel To Clean Piston Pins{0675,1214}
1982/11/08
Use the 6V6167 Contact Point to Measure Wear Steps on Piston Pins{0653}
1982/11/22
Reuse Of Engine Bearings{1230}
1983/05/16
New Piston Ring Group Used{1215}
1983/05/30
Reuse Of Engine Bearings{1230,1219,1203}
1983/11/21
Remanufactured Connecting Rod Assemblies{1218}
1984/01/23
Installing New Copper Bonded Bearings Can Extend Engine Life{1230,1203,1219}
1985/04/29
Two, New Top Dead Center Magnetic Transducers Available{0651,0653,1214,1250}
1985/10/07
Two Different Piston Oil Ring Designs Used{1215}
1985/11/11
Determining The Cause Of Glow Plug Tip Failures{1053,1105,1412}
1986/06/02
Increase Piston Reuse With Keystone Piston Ring Gauge Group{1214,1215}
1986/06/16
Bearing Failures On Engines Due To Lack Of Lubrication{1230,1219,1203,1202}
1986/09/08
Check Connecting Rods After Engine Failures Involving Hydraulic Lock{1218,1225}
1986/10/20
Use Only Paint To Mark Connecting Rod Caps For Torque-Turn Method {1218,1219}
1987/06/01
Testing Connecting Rod Eye Bushings When Overhauling Engines{1218}
1987/07/06
Locating Bushings For The 5P3550 Rod Boring Machine Will Now Hold Tapered Piston Pin Bushings {0626}
1978/04/17
Use 6V100 Tool Arrangement To Remove And Install Piston Pin Bearings For Both Tapered And Standard Connecting Rods{0620,1218}
1978/04/24
Sleeve-Type Ring Compressors Can Be Used For Installation Of Pistons From The Bottom Of The Engine{0622}
1978/08/21
Improved Piston Pins Are Made Of Different Material For Better Hardness Characteristics When Heat Treated{1214}
1978/08/21
5P3519 Piston Ring Gauge Has Improved Design For Better Accuracy And Easier Use; Corrected Information For Use On Pistons That Have Two Ring Grooves{0653,1214}
1979/05/14
Rod Bearings For Parts Service Have Reliefs (Grooves) Cut On The Outside Diameter{1219}
1979/05/21
Why Engines Are Damaged By Fuel Sulfur{1104,1216,1280,1318,1215}
1979/08/27
Keystone Piston Groups Can Be Installed In Earlier Engines In Steiger Tractors{1214,1215}
1979/09/17
New Connecting Rod Is Tapered In Piston Pin Area{1218}
1979/10/22
Fuel Sulfur-Your Diesel's Silent Enemy{0375,1280}
1979/12/17
New Oil Control Piston Ring Used In 3300 Family Of Engines {1213,1214,1215}
1990/03/26
Cylinder Pack Puller Groups Improved {0705,1239}
1993/01/18
Verification of Connecting Rod Eye Bushing Retention When Overhauling Engines{1218}
1994/10/31
Piston Ring Groove Gauges To Quickly And Accurately Determine Reusability Of Pistons{1214,0763}
1997/01/13

Caterpillar Parts SIS Catalog 3306 :

HUB GP-CRANKSHAFT
4N-8165 HUB GP-CRANKSHAFT
PULLEY GP-CRANKSHAFT
3N-5618 PULLEY GP-CRANKSHAFT
PULLEY GP-CRANKSHAFT
3N-6128 PULLEY GP-CRANKSHAFT
PULLEY GP
3N-6934 PULLEY GP
PULLEY GP-CRANKSHAFT
3N-3274 PULLEY GP-CRANKSHAFT
CRANKSHAFT PULLEY GROUP
3N-7399 CRANKSHAFT PULLEY GROUP
PULLEY GP-CRANKSHAFT
3N-2884 PULLEY GP-CRANKSHAFT
CRANKSHAFT BEARING REPLACEMENT GROUPS
CRANKSHAFT BEARING REPLACEMENT GROUPS
PISTON & ROD GP
2P-6272 PISTON & ROD GP
CAMSHAFT GP-SINGLE
2P-6202 CAMSHAFT GP-SINGLE
CYLINDER HEAD GP
3N-3916 CYLINDER HEAD GP
CYLINDER HEAD GP
3N-3916 CYLINDER HEAD GP
CYLINDER HEAD GP
9N-2382 CYLINDER HEAD GP
CYLINDER HEAD GP
9N-2382 CYLINDER HEAD GP
CYLINDER HEAD GP
2P-6486 CYLINDER HEAD GP
CYLINDER HEAD AS
4N-7446 CYLINDER HEAD AS

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