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CRANKSHAFT BEARING REPLACEMENTS Serial No. 28V695-Up 3408 TRUCK ENGINE


BASIC ENGINE
CRANKSHAFT GP
PULLEY GP
PISTON & ROD GP

TRUCK ENGINE 3408 TRUCK ENGINE 28V
 3408 TRUCK ENGINE 28V00001-04749 SEBP1127 3408 28V   (1985)

BASIC ENGINE

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

#SEBP11270040
 

CRANKSHAFT BEARING REPLACEMENTS

CRANKSHAFT BEARING REPLACEMENTS
Serial No. 28V695-Up
SEBP11270040 SEBP1127
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Parts for your 3408 TRUCK ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  8N-5422 [1] BEARING MAIN (.63 mm UNDERSIZE)  
  8N-5423 [1] BEARING MAIN (1.27 mm UNDERSIZE)  
  8N-5424 [1] BEARING MAIN (.63 mm OVERSIZE)  
  8N-5425 [1] BEARING MAIN (.63 mm OVERSIZE .63 mm UNDERSIZE)  
 

#SEBP11270041
 

4N-0920: CRANKSHAFT GROUP

4N920 CRANKSHAFT GROUP
c211631 SEBP1127
4N0920 CRANKSHAFT GROUP Parts scheme
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Parts for your 3408 TRUCK ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4N-9442 RY [1] CRANKSHAFT ASSEM.  
    (Separate Illustration)
2. 6N-8743 C [5] BEARING  
3. 4N-0849 [2] PLATE  
4. 5S-9022 [2] SEAL  
  R   REMFG PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
  C   INDICATES CHANGE
 

#SEBP11270042
 

4N-9442: KIT-CRANKSHAFT

4N9442 CRANKSHAFT ASSEMBLY
Part of 4N920 Crankshaft Group
c156201 SEBP1127
4N9442 KIT-CRANKSHAFT Parts scheme
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Parts for your 3408 TRUCK ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4N-0684 [1] PIN  
2. 4N-0848 [2] SLEEVE  
3. 9F-2247 [5] PLUG  
4. 7S-5005 [1] DOWEL  
5. 4N-0418 [1] GEAR (80 teeth)  
 

#SEBP11270043
 

7N-3410: CRANKSHAFT GP

7N3410 CRANKSHAFT GROUP
c234686 SEBP1127
7N3410 CRANKSHAFT GP Parts scheme
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Parts for your 3408 TRUCK ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7N-3407 YR [1] CRANKSHAFT AS  
2. 8N-5421 C [5] BEARING-MAIN  
3. 1W-5252 C [2] PLATE-THRUST  
4. 7N-1999 C [2] SEAL GP-CRANKSHAFT  
  C   CHANGE FROM PREVIOUS TYPE
  R   REMFG PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#SEBP11270044
 

7N-3407: CRANKSHAFT AS

7N3407 CRANKSHAFT ASSEMBLY
Part of 7N3410 Crankshaft Group
c226141 SEBP1127
7N3407 CRANKSHAFT AS Parts scheme
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Parts for your 3408 TRUCK 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
 

#SEBP11270045
 

9N-0313: PULLEY GP-CRANKSHAFT

9N313 CRANKSHAFT PULLEY GROUP
SEE FAN DRIVE CHART SHOWN ON PAGE 68 FOR USAGE
ALSO AVAILABLE AS AN ATTACHMENT
c927085 SEBP1127
9N0313 PULLEY GP-CRANKSHAFT Parts scheme
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Parts for your 3408 TRUCK ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1A-1135 [2] BOLT  
 

#SEBP11270046
 

9N-2448: CRANKSHAFT PULLEY GROUP

9N2448 CRANKSHAFT PULLEY GROUP
SEE FAN DRIVE CHART SHOWN ON PAGE 68 FOR USAGE
AN ATTACHMENT
c158539 SEBP1127
9N2448 CRANKSHAFT PULLEY GROUP Parts scheme
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Parts for your 3408 TRUCK ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9N-1031 [1] PULLEY  
2. 1A-1135 [2] BOLT  
 

#SEBP11270047
 

4N-1993: PISTON & ROD GP

4N1993 CONNECTING ROD AND PISTON GROUP--8 Required
For Direct Injection Engines
Serial No. 28V1 to 28V1112 inclusive
c222280 SEBP1127
4N1993 PISTON & ROD GP Parts scheme
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Parts for your 3408 TRUCK 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
 

#SEBP11270048
 

4N-1994: PISTON & ROD GP

4N1994 CONNECTING ROD AND PISTON GROUP--8 Required
For Precombustion Chambered Engines
Serial No. 28V1 to 809, 811 to 28V815 inclusive
c222281 SEBP1127
4N1994 PISTON & ROD GP Parts scheme
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Parts for your 3408 TRUCK 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
 

#SEBP11270049
 

7N-3518: PISTON & ROD GP

7N3518 CONNECTING ROD AND PISTON GROUP--8 Required
For Direct Injection Engines
Serial No. 28V1113 to 28V1624 inclusive
c219254 SEBP1127
7N3518 PISTON & ROD GP Parts scheme
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Parts for your 3408 TRUCK 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
Use 6V6035 Hardness Tester On Crankshafts
1982/03/31
New Crankshaft Main Bearings Used
1982/05/19
Inspection Marks On Bearings
1982/05/19
6V6142 And 6V6143 Installers Can Be Used To Install Crankshaft Seals And Wear Sleeves
1982/12/08
Oil Passage Plugs Are No Longer Installed In Crankshaft For Parts Service
1983/04/13
Reuse Of Engine Bearings
1983/12/21
Crankshaft Failures
1983/12/21
Remanufactured Undersize Crankshafts Are Available
1984/04/04
Install Crankshaft Thrust Bearings Correctly To Avoid Damage
1985/02/01
Crankshaft Seal Usage On 3400 Series Truck Engines
1985/12/01
Earlier Flywheel Housings Can Be Modified For Use With Later Crankshafts
1987/12/01
Checking Crankshaft Journal Surface Hardness On Remanufactured Crankshafts
1991/01/01
Oil Holes In Crankshaft Main And Rod Journals
1992/10/01
New Engine Crankshaft Rubber Damper Assembly Uses Improved Rubber Material{1205}
1994/10/01
New Front Crankshaft Seals and New Rear Crankshaft Seals are Now in Production {1160, 1161}
2003/05/01
A New Type of Main Bearing Is Now Used {1202, 1203}
2005/03/01
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
Installation Procedure For Crankshaft Wear Sleeves Changed
1977/09/07
Replacement Bearings Have Aluminum Alloy With More Strength
1977/10/26
Some Wobble Is Acceptable In Rubber Vibration Dampers For Crankshafts
1977/11/09
Smaller Quantity Of Oil Now Used In Engine Oil Pan; Prevents Contact Between Crankshaft And Oil
1978/02/08
Replacement Seals And Wear Sleeves Now Available As A Crankshaft Seal Kit
1978/03/01
New Front Crankshaft Seals and New Rear Crankshaft Seals are Now in Production {1160, 1161}
2003/05/01
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
Crankshaft (1W5010)
3408 & 3408B DIESEL TRUCK ENGINE
Crankshaft (4N920 & 7N3410)
3408 & 3408B DIESEL TRUCK ENGINE
Connecting Rod And Main Bearing Journals
3408 & 3408B DIESEL TRUCK ENGINE
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 And Wear Sleeve
3408 & 3408B DIESEL TRUCK ENGINE
Crankshaft Rear Seal And Wear Sleeve
3408 & 3408B DIESEL TRUCK ENGINE
Crankshaft Main Bearings
3408 & 3408B DIESEL TRUCK ENGINE
Crankshaft
3408 & 3408B DIESEL TRUCK ENGINE
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
New Connecting Rod And Main Bearings Used{1203,1219,1226,1227,1230}
1983/10/10
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
Bearing Failures On Engines Due To Lack Of Lubrication{1230,1219,1203,1202}
1986/09/08
Improved Main And Connecting Rod Bearings Have Aluminum Alloy With More Strength{1230}
1977/01/17
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
Installation Procedure For Crankshaft Wear Sleeves Changed{1202,1160,1161}
1977/09/05
Replacement Bearings Have Aluminum Alloy With More Strength{1203,1213,1230}
1977/10/24
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
Mid-Life Bearing Maintenance Recommendations {1203}
1987/09/14
Smaller Quantity Of Oil Now Used In Engine Oil Pan; Prevents Contact Between Crankshaft And Oil{1318}
1978/02/06
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
Checking Crankshaft Journal Surface Hardness On Remanufactured Crankshafts{1202}
1991/01/07
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 BEARING REPLACEMENTS
COVER GP-CYLINDER BLOCK
4N-1960 COVER GP-CYLINDER BLOCK
COVER GP-CYLINDER BLOCK
9N-0452 COVER GP-CYLINDER BLOCK
COVER GP-CYLINDER BLOCK
4N-6866 COVER GP-CYLINDER BLOCK
CYLINDER BLOCK GP
7N-0853 CYLINDER BLOCK GP
CYLINDER BLOCK AS
7N-0851 CYLINDER BLOCK AS
CYLINDER BLOCK GROUP
7N-9683 CYLINDER BLOCK GROUP
CYLINDER BLOCK GP
7N-9681 CYLINDER BLOCK GP
CRANKSHAFT GROUP
4N-0920 CRANKSHAFT GROUP
KIT-CRANKSHAFT
4N-9442 KIT-CRANKSHAFT
CRANKSHAFT GP
7N-3410 CRANKSHAFT GP
CRANKSHAFT AS
7N-3407 CRANKSHAFT AS
PULLEY GP-CRANKSHAFT
9N-0313 PULLEY GP-CRANKSHAFT
CRANKSHAFT PULLEY GROUP
9N-2448 CRANKSHAFT PULLEY GROUP
PISTON & ROD GP
4N-1993 PISTON & ROD GP
PISTON & ROD GP
4N-1994 PISTON & ROD GP

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