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7N3407 CRANKSHAFT ASSEMBLY*R S/N 99U655-4563 Part Of 7N3410 Crankshaft 3408 MARINE ENGINE


BASIC ENGINE
CRANKSHAFT GP
PULLEY GP
PISTON & ROD GP

MARINE ENGINE 3408 MARINE ENGINE 99U
 3408 MARINE ENGINE 99U00001-04603 SEBP1093 3408 99U   (1976)

BASIC ENGINE

CRANKSHAFT GP
CRANKSHAFT GP
4N-0920 CRANKSHAFT GP
KIT-CRANKSHAFT
4N-9442 KIT-CRANKSHAFT
CRANKSHAFT GP
7N-3410 CRANKSHAFT GP
CRANKSHAFT AS
7N-3407 CRANKSHAFT AS
CRANKSHAFT GP
7N-3410 CRANKSHAFT GP
CRANKSHAFT GP
7N-3410 CRANKSHAFT GP
CRANKSHAFT BEARING REPLACEMENTS
CRANKSHAFT BEARING REPLACEMENTS
CRANKSHAFT BEARINGS REPLACEMENTS
CRANKSHAFT BEARINGS REPLACEMENTS
 

#SEBP10930020
 

7N-3407: CRANKSHAFT AS

7N3407 CRANKSHAFT ASSEMBLY*R
S/N 99U655-4563
Part Of 7N3410 Crankshaft
c226141 SEBP1093
7N3407 CRANKSHAFT AS Parts scheme
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Parts for your 3408 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4N-0684 [1] PIN-DOWEL  
2. 7N-7591 C [1] GEAR-CRANKSHAFT (80 TEETH)  
3. 9F-2247 [5] PLUG  
4. 7S-5005 [1] DOWEL  
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP10930021
 

7N-3410: CRANKSHAFT GP

7N3410 CRANKSHAFT GP
S/N 99U4564-4581
c326411 SEBP1093
7N3410 CRANKSHAFT GP Parts scheme
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Parts for your 3408 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1W-6209 R [1] CRANKSHAFT AS  
2. 7S-5005 [1] DOWEL  
3. 7N-7591 [1] GEAR-CRANKSHAFT (80 TEETH)  
4. 4N-0684 [1] PIN-DOWEL  
5. 4W-5492 [5] BEARING-MAIN  
6. 1W-5252 [2] PLATE-THRUST  
7. 7N-1999 [2] SEAL GP-CRANKSHAFT  
  R   REMFG PART MAY BE AVAILABLE
 

#SEBP10930022
 

7N-3410: CRANKSHAFT GP

7N3410 CRANKSHAFT GP
S/N 99U4582-Up
c326430 SEBP1093
7N3410 CRANKSHAFT GP Parts scheme
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Parts for your 3408 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1W-6209 R [1] CRANKSHAFT AS  
2. 7S-5005 [1] DOWEL  
3. 7N-7591 [1] GEAR-CRANKSHAFT (80 TEETH)  
4. 4N-0684 [1] PIN-DOWEL  
5. 4W-5492 [5] BEARING-MAIN  
6. 1W-5252 [2] PLATE-THRUST  
7. 2W-1733 [1] SEAL GP-CRANKSHAFT  
8. 2W-1734 [1] SEAL GP-CRANKSHAFT  
  R   REMFG PART MAY BE AVAILABLE
 

#SEBP10930023
 

CRANKSHAFT BEARING REPLACEMENTS

CRANKSHAFT BEARING REPLACEMENTS
Serial No. 99U1 to 99U6654 inclusive
SEBP10930023 SEBP1093
None CRANKSHAFT BEARING REPLACEMENTS Parts scheme
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Parts for your 3408 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
 

#SEBP10930024
 

CRANKSHAFT BEARINGS REPLACEMENTS

CRANKSHAFT BEARINGS REPLACEMENTS
Serial No. 99U655-Up
SEBP10930024 SEBP1093
None CRANKSHAFT BEARINGS REPLACEMENTS Parts scheme
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Parts for your 3408 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
 

#SEBP10930025
 

6N-4581: PULLEY GP-CRANKSHAFT

6N4581 CRANKSHAFT PULLEY GROUP
NOT FOR USE WITH FRONT POWER TAKE-OFF
REFER TO PAGE 225 FOR SPECIAL PARTS. AN ATTACHMENT
c210378 SEBP1093
6N4581 PULLEY GP-CRANKSHAFT Parts scheme
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Parts for your 3408 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6N-4580 [1] PULLEY  
2. 0L-1351 [8] BOLT  
 

#SEBP10930026
 

4N-1994: PISTON & ROD GP

4N1994 ROD AND PISTON GROUP--8 Required
Serial No. 99U1 to 99U893 and 99U903 to 99U906 inclusive
FOR PRECOMBUSTION CHAMBERED TURBOCHARGED AFTERCOOLED ENGINE
c222281 SEBP1093
4N1994 PISTON & ROD GP Parts scheme
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Parts for your 3408 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7N-9807 C [1] PIN  
2. 008-3214 [2] RING  
3. 4N-0390 [1] ROD ASSEM.  
    (Includes)
  7N-4332 C [1] BEARING  
4. 6N-8942 C [2] BOLT  
  8L-3441 [2] NUT  
5. 6N-7436 [1] BEARING  
  6N-4166 H [1] BEARING .025 in.(.64 mm) undersize  
  6N-4167 H [1] BEARING .050 in.(1.27 mm) undersize  
6. 6N-4127 [1] PISTON GROUP  
    (Includes)
7. 4N-5692 [1] RING (oil)  
8. 2P-2817 [1] RING (intermediate)  
9. 3N-0603 [1] RING (top)  
  4N-5619 H [1] RING GROUP  
    (Consists of complete set of Rings for one Piston)
  C   INDICATES CHANGE
  H   NOT PART OF THIS GROUP
 

#SEBP10930027
 

4N-1993: PISTON & ROD GP

4N1993 ROD AND PISTON GROUP--8 Required
Serial No. 99U1 to 99U1255 inclusive
FOR DIRECT INJECTION TURBOCHARGED ENGINE
c222280 SEBP1093
4N1993 PISTON & ROD GP Parts scheme
  For full view, you need register

Parts for your 3408 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7N-9806 C [1] PIN  
2. 008-3214 [2] RING  
3. 4N-0390 [1] ROD ASSEM.  
    (Includes)
  7N-4332 C [1] BEARING  
4. 6N-8942 C [2] BOLT  
  8L-3441 [2] NUT  
5. 6N-7436 C [1] BEARING  
  6N-4166 H [1] BEARING .025 in. (.64 mm) undersize  
  6N-4167 H [1] BEARING .050 in.(1.27 mm) undersize  
6. 6N-4784 [1] PISTON GROUP  
    (Includes)
7. 4N-5692 [1] RING (oil)  
8. 2P-2817 [1] RING (intermediate)  
9. 3N-0603 [1] RING (top)  
  4N-5619 H [1] RING GROUP  
    (Consists of complete set of Rings for one Piston)
  C   INDICATES CHANGE
  H   NOT PART OF THIS GROUP
 

#SEBP10930028
 

7N-3517: PISTON & ROD GP

7N3517 ROD AND PISTON GROUP--8 Required
Serial No. 99U894 to 99U902 and 99U907 to 99U2011 inclusive. NOTE: FOR
PRECOMBUSTION CHAMBERED TURBOCHARGED AFTERCOOLED ENGINE
c219308 SEBP1093
7N3517 PISTON & ROD GP Parts scheme
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Parts for your 3408 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7N-9807 C [1] PIN  
2. 008-3214 [2] RING  
3. 7N-3229 R [1] ROD ASSEM.  
    (Includes)
  7N-3230 [1] BEARING  
4. 6N-8942 [2] BOLT  
  8L-3441 [2] NUT  
5. 6N-7436 [1] BEARING  
  6N-4166 H [1] BEARING .64 mm(.025 in.) undersize  
  6N-4167 H [1] BEARING 1.27 mm(.050 in.) undersize  
6. 7N-3634 [1] PISTON GROUP  
    (Includes)
7. 4N-5692 [1] RING (oil)  
8. 2P-2817 [1] RING (intermediate)  
9. 3N-0603 [1] RING (top)  
  4N-5619 H [1] RING GROUP  
    (Includes complete set of rings for one piston)
  C   INDICATES CHANGE
  R   REMFG PART MAY BE AVAILABLE
  H   NOT PART OF THIS GROUP
 

#SEBP10930029
 

7N-3518: PISTON & ROD GP

7N3518 ROD AND PISTON GROUP--8 Required
Serial No. 99U1256 to 99U1700 inclusive
FOR DIRECT INJECTION TURBOCHARGED ENGINE
c219254 SEBP1093
7N3518 PISTON & ROD GP Parts scheme
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Parts for your 3408 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1M-6101 [1] PIN  
2. 008-3214 [2] RING  
3. 7N-3229 R [1] ROD ASSEM.  
    (Includes)
  7N-3230 [1] BEARING  
4. 6N-8942 [2] BOLT  
  8L-3441 [2] NUT  
5. 6N-7436 [1] BEARING  
  6N-4166 H [1] BEARING .025 in.(.64 mm) undersize  
  6N-4167 H [1] BEARING .050 in.(1.27 mm) undersize  
6. 7N-3635 [1] PISTON GROUP  
    (Includes)
7. 7N-7078 [1] RING (oil)  
8. 2P-2817 [1] RING (intermediate)  
9. 3N-0603 [1] RING (top)  
  4N-5619 H [1] RING GROUP  
    (Consists of complete set of Rings for one Piston)
  H   NOT PART OF THIS GROUP
  R   REMFG PART MAY BE AVAILABLE
 

Information:

Truck Engine News
New Front Crankshaft Seals and New Rear Crankshaft Seals are Now in Production {1160, 1161}
2003/05/01
Engine News
New Design Thrust Plate Used In Crankshaft Group
1979/08/22
New Bend Specification For Used Or Field Reground Crankshafts
1980/08/13
6V2086 And 6V2087 Seal And Wear Sleeve Installers Available
1980/09/10
Crankshaft Failures; New Thrust Plate
1981/05/20
Use 6V6035 Hardness Tester On Crankshafts
1982/02/24
New Crankshaft Main Bearings Used
1982/05/12
6V6142 And 6V6143 Installers Can Be Used To Install Crankshaft Seals And Wear Sleeves
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
Install Crankshaft Thrust Bearings Correctly To Avoid Damage
1985/02/01
New Crankshaft Seal Groups Used On More 3400 Series Engines
1985/03/01
Why Choose Caterpillar Remanufactured Crankshafts? Because We Offer More ...
1985/09/01
Crankshaft Seal Usage On 3400 Series Engines
1986/01/01
Standard Diameter Crankshafts Meeting Marine Society Approval Requirements Are Available Through Caterpillar Remanufactured Products Program
1986/07/01
Caterpillar Crankshaft Heat Code Locations
1986/11/01
3400 Engine Major Component Performance Guide Available
1987/07/01
Earlier Flywheel Housings Can Be Modified For Use With Later Crankshafts
1988/01/01
New Bronze Thrust Plate Used On Center Main Bearing Of Crankshaft Groups
1990/12/01
Checking Crankshaft Journal Surface Hardness On Remanufactured Crankshafts
1991/01/01
Oil Holes In Crankshaft Main And Rod Journals
1992/10/01
Wear Sleeve Removal Tooling May "Mark" The Crankshaft{1202,1161}
1995/08/01
Recommendations For Inspection And Replacement Of Rubber and Viscous Crankshaft Dampers{1205}
1995/09/01
Installation Procedure For Crankshaft Wear Sleeves Changed
1977/09/07
Some Wobble Is Acceptable In Rubber Vibration Dampers For Crankshafts
1977/11/09
Replacement Seals And Wear Sleeves Now Available As A Crankshaft Seal Kit
1978/03/01
A New Crankshaft Seal Is Available {1160, 1202}
2003/03/01
New Front Crankshaft Seals and New Rear Crankshaft Seals are Now in Production {1160, 1161}
2003/05/01
A New Integral Seal Provides Improved Sealing {7555}
2003/12/01
A New Type of Main Bearing is Now Used {1203}
2013/03/01
Use Reuse and Salvage Guidelines for Measurements of Crankshafts which Includes the Crankshaft of the Remanufactured Engine with the Serial Number Prefix 1WW {1202}
2006/10/09
A New Type of Main Bearing is Available {1202, 1203}
2008/09/29
Usability of Main Bearings and Camshaft Bearings {1202, 1203, 1218, 1219}
2008/11/24
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 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}
Crankshaft Seal And Wear Sleeve Installation{1160, 1161}
Crankshaft Seal And Wear Sleeve Installation{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}
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}
Specifications
Connecting Rod and Main Bearing Journals
3408B and 3408C Industrial and Marine Engines
Crankshaft
3408B and 3408C Industrial and Marine Engines
Tool Operating Manual
362-4250 Deck Height Measuring Tool{1201}
362-4250 Deck Height Measuring Tool{1201}
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}
Disassembly and Assembly
Crankshaft Front Seal & Wear Sleeve
3408C & 3412C MARINE ENGINES
Crankshaft Rear Seal & Wear Sleeve
3408C & 3412C MARINE ENGINES
Crankshaft Main Bearings
3408C & 3412C MARINE ENGINES
Crankshaft
3408C & 3412C MARINE ENGINES
Crankshaft Front Seal And Wear Sleeve
3408 & 3408B INDUSTRIAL AND MARINE ENGINES
Crankshaft Rear Seal And Wear Sleeve
3408 & 3408B INDUSTRIAL AND MARINE ENGINES
Crankshaft Main Bearings
3408 & 3408B INDUSTRIAL AND MARINE ENGINES
Crankshaft
3408 & 3408B INDUSTRIAL AND MARINE ENGINES
Service Magazine
6V2086 And 6V2087 Seal And Wear Sleeve Installers Available{0622,1160,1161}
1980/09/01
New Connecting Rod And Main Bearings Have A Thicker Coating (Layer) Of Lead-Tin Overlay{1230,1219,1203}
1981/01/19
Crankshaft Failures; New Thrust Plate{1203,1202,1230}
1981/05/04
Engine Storage; Engine Start-Up After Storage{1000}
1982/02/22
Use 6V6035 Hardness Tester On Crankshafts{0651,1202}
1982/02/22
Use Correct Part Numbers For Main And Connecting Rod Bearings{1230,1203,1219}
1982/04/12
Inspection Marks On Bearings{7551,1230,1226,1203,1219,1227}
1982/05/03
New Crankshaft Main Bearings Used{1203}
1982/05/10
Oil Passage Plugs Are No Longer Installed In Crankshafts For Parts Service{1202}
1983/04/04
New Connecting Rod Bearings Used{1219,1230}
1983/04/04
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
Troubleshooting Engine Vibration; Damper Adapter Can Be Changed{1205,1000}
1983/08/15
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
Install Crankshaft Thrust Bearings Correctly To Avoid Damage{1202,1203}
1985/02/11
New Crankshaft Seal Groups Used On More 3400 Series Engines{1160,1161}
1985/03/11
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 3400 Series Engines{1160,1161}
1985/12/16
Service Reminders For 3400 Family Of Diesel Engines{1204,1214,1331}
1986/05/05
Standard Diameter Crankshafts Meeting Marine Society Approval Requirements Are Available Through Caterpillar Remanufactured Products Program{1202}
1986/06/23
Bearing Failures On Engines Due To Lack Of Lubrication{1230,1219,1203,1202}
1986/09/08
Caterpillar Crankshaft Heat Code Locations{1202}
1986/10/20
Improved Main And Connecting Rod Bearings Have Aluminum Alloy With More Strength{1230}
1977/01/17
Installation Procedure For Crankshaft Wear Sleeves Changed{1202,1160,1161}
1977/09/05
Some Wobble Is Acceptable In Rubber Vibration Dampers For Crankshafts{1205}
1977/10/31
Crankshaft Support Groups Are Available To Measure Bent Crankshafts{0653,1202}
1977/11/07
Main And Connecting Rod Bearing Part Numbers {1203,1219,1230}
1987/01/26
Mid-Life Bearing Maintenance Recommendations {1203}
1987/09/14
Earlier Flywheel Housings Can Be Modified For Use With Later Crankshafts{1157,1202}
1987/12/14
Replacement Seals And Wear Sleeves Now Available As A Crankshaft Seal Kit{1202,1160,1161}
1978/02/27
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
New Centering Rings For Oversized Main Bearings{0665,1230}
1979/06/04
New Design Thrust Plate Used In Crankshaft Group{1201,1202,1203}
1979/08/27
New Bronze Thrust Plate Used On Center Main Bearing Of Crankshaft Groups{1203}
1990/12/17
Checking Crankshaft Journal Surface Hardness On Remanufactured Crankshafts{1202}
1991/01/07
Connecting Rod Bearing Eliminates The Need For Mid-Life Connecting Rod Bearing Roll-In{1219,1202}
1992/08/31
Oil Holes In Crankshaft Main And Rod Journals{1202}
1992/11/09
40 Power Microscope is Available for Inspecting Bearing Journals on Crankshafts {0777, 1202}
2006/01/16

Caterpillar Parts SIS Catalog 3408 :

CRANKSHAFT GP
7N-3410 CRANKSHAFT GP
KIT-CRANKSHAFT
4N-9442 KIT-CRANKSHAFT
CRANKSHAFT GP
4N-0920 CRANKSHAFT GP
CYLINDER BLOCK GP
6N-2151 CYLINDER BLOCK GP
CYLINDER BLOCK GP
7N-0853 CYLINDER BLOCK GP
CYLINDER BLOCK AS
7N-0851 CYLINDER BLOCK AS
CYLINDER BLOCK GROUP
7N-9683 CYLINDER BLOCK GROUP
COVER GP-CYLINDER BLOCK
4N-6955 COVER GP-CYLINDER BLOCK
CRANKSHAFT GP
7N-3410 CRANKSHAFT GP
CRANKSHAFT GP
7N-3410 CRANKSHAFT GP
CRANKSHAFT BEARING REPLACEMENTS
CRANKSHAFT BEARING REPLACEMENTS
CRANKSHAFT BEARINGS REPLACEMENTS
CRANKSHAFT BEARINGS REPLACEMENTS
PULLEY GP-CRANKSHAFT
6N-4581 PULLEY GP-CRANKSHAFT
PISTON & ROD GP
4N-1994 PISTON & ROD GP
PISTON & ROD GP
4N-1993 PISTON & ROD GP
PISTON & ROD GP
7N-3517 PISTON & ROD GP

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Caterpillar 3408 IND, Construction
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Caterpillar 3408 IND, Construction
- Industrial engines
LOUISIANA CAT POWER SYSTEMS
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