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1N3999 TURBOCHARGER CARTRIDGE GROUP Serial No. 28V4119-Up Part of 9N6753 Turbocharger Group shown on Page 87A-2 3408


AIR INLET AND EXHAUST SYSTEM
TURBOCHARGER GP
FUEL SYSTEM
GOVERNOR GP

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

AIR INLET AND EXHAUST SYSTEM

TURBOCHARGER GP
CARTRIDGE GP-TURBOCHARGER
9N-3998 CARTRIDGE GP-TURBOCHARGER
CARTRIDGE GP-TURBOCHARGER
9N-6675 CARTRIDGE GP-TURBOCHARGER
CARTRIDGE GP-TURBOCHARGER
1N-3999 CARTRIDGE GP-TURBOCHARGER
CARTRIDGE GP-TURBOCHARGER
1W-1653 CARTRIDGE GP-TURBOCHARGER
 

#SEBP11270230
 

1N-3999: CARTRIDGE GP-TURBOCHARGER

1N3999 TURBOCHARGER CARTRIDGE GROUP
Serial No. 28V4119-Up
Part of 9N6753 Turbocharger Group shown on Page 87A-2
c179980 SEBP1127
1N3999 CARTRIDGE GP-TURBOCHARGER Parts scheme
  For full view, you need register

Parts for your 3408 TRUCK ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6N-7962 R [1] BACKPLATE ASSEM.  
2. 1P-1120 [1] RING  
3. 6N-5004 [1] BEARING  
4. 7N-3759 [1] RING  
5. 9N-3701 [1] SHROUD  
6. 9N-2043 R [1] SHAFT AND WHEEL ASSEM.  
7. 9M-8915 [3] RING  
8. 9N-2035 R [1] HOUSING ASSEM.  
    (Includes)
  4M-6646 [2] PIN  
9. 9M-8911 [1] COLLAR  
10. 9N-2046 [1] SPACER  
  9M-8919 [2] RING  
11. 1S-1770 [1] NUT  
12. 1N-4000 [1] WHEEL  
13. 0S-1616 [4] BOLT  
  9N-2036 [4] PLATE  
  9N-2047 H [1] PLATE (name)  
  2F-0808 H [2] SCREW  
    THE FOLLOWING REPAIR KIT IS AVAILABLE:
  9N-2041 [1] KIT (bearing)  
  H   NOT SHOWN
  R   REMFG PART MAY BE AVAILABLE
 

#SEBP11270231
 

1W-1653: CARTRIDGE GP-TURBOCHARGER

1W1653 TURBOCHARGER CARTRIDGE GROUP
Part of 1W3439 Turbocharger Group shown on Page 87A-3
1W6809 Turbocharger Cartridge Group is available for service replacement
c178592 SEBP1127
1W1653 CARTRIDGE GP-TURBOCHARGER Parts scheme
  For full view, you need register

Parts for your 3408 TRUCK ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6N-7962 R [1] BACKPLATE ASSEM.  
2. 1P-1120 [1] RING  
3. 6N-5004 [1] BEARING  
4. 7N-3759 [1] RING  
5. 9N-3701 [1] SHROUD  
6. 9N-2043 R [1] SHAFT AND WHEEL ASSEM.  
7. 9M-8915 [3] RING  
8. 9N-2035 R [1] HOUSING ASSEM.  
    (Includes)
  4M-6646 [2] PIN  
9. 9M-8911 [1] COLLAR  
10. 9N-2046 [1] SPACER  
  9M-8919 [2] RING  
11. 1S-1770 [1] NUT  
12. 7N-8190 [1] WHEEL  
13. 0S-1616 [4] BOLT  
  9N-2036 [4] PLATE  
  9N-2047 H [1] PLATE (name)  
  2F-0808 H [2] SCREW  
    THE FOLLOWING REPAIR KITS ARE AVAILABLE:
  9N-2041 [1] KIT (bearing)  
  1N-4481 [1] KIT (Cartridge Repair)  
  H   NOT SHOWN
  R   REMFG PART MAY BE AVAILABLE
 

#SEBP11270232
 

6N-3195: DRIVE GP-GOVERNOR & FUEL PUMP

6N3195 GOVERNOR AND FUEL PUMP DRIVE GROUP--For Direct Injection Engine
c302577 SEBP1127
6N3195 DRIVE GP-GOVERNOR & FUEL PUMP Parts scheme
  For full view, you need register

Parts for your 3408 TRUCK ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5J-5793 [4] BOLT-12 POINT HEAD  
2. 6N-3927 [1] RETAINER  
3. 6N-5654 [1] FLANGE AS  
4. 6N-2533 GEAR AS-ADVANCE (86 TEETH)  
5. 8H-0333 [2] PISTON  
6. 6N-2523 [2] SLIDE  
7. 6N-5156 [2] WEIGHT-ADVANCE  
8. 6N-0493 [1] RING  
9. 6N-3191 [2] SPRING (OUTER)  
10. 6N-3190 [2] SPRING (INNER)  
11. 6N-3189 [2] SPRING (MIDDLE)  
 

#SEBP11270233
 

4N-0677: DRIVE GP-GOVERNOR & FUEL PUMP

4N677 GOVERNOR AND FUEL PUMP DRIVE GROUP--For Precombustion
Chambered Engine
c302262 SEBP1127
4N0677 DRIVE GP-GOVERNOR & FUEL PUMP Parts scheme
  For full view, you need register

Parts for your 3408 TRUCK ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5J-5793 [4] BOLT  
2. 6N-3927 [1] RETAINER  
3. 6N-5653 [1] FLANGE ASSEM.  
4. 6N-2533 [1] GEAR ASSEM.  
5. 8H-0333 [2] PISTON  
6. 6N-2523 [2] SLIDE  
7. 6N-5156 [2] WEIGHT  
8. 6N-0493 [1] RING  
9. 6N-5164 [2] SPRING (outer)  
10. 6N-5163 [2] SPRING (inner)  
11. 6N-5165 [2] SPRING (middle)  
 

#SEBP11270234
 

9N-3959: DRIVE GP-GOVERNOR & FUEL PUMP

9N3959 GOVERNOR AND FUEL PUMP DRIVE GROUP--For Direct Injection Engine
Serial No. 28V2048-Up
c223040 SEBP1127
9N3959 DRIVE GP-GOVERNOR & FUEL PUMP Parts scheme
  For full view, you need register

Parts for your 3408 TRUCK ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5J-5793 [4] BOLT-12 POINT HEAD  
2. 6N-3927 [1] RETAINER  
3. 9N-5075 [1] FLANGE AS  
4. 6N-2533 [1] GEAR AS-ADVANCE  
    (86 TEETH)
5. 8H-0333 [2] PISTON  
6. 6N-2523 [2] SLIDE  
7. 6N-5156 [2] WEIGHT-ADVANCE  
8. 6N-0493 [1] RING  
9. 9N-5077 [2] SPRING-OUTER  
10. 9N-5078 [2] SPRING-INNER  
 

#SEBP11270235
 

9N-1095: FUEL RATIO CONTROL GROUP

9N1095 FUEL RATIO CONTROL GROUP--For Direct Injection Engine
6N648 Fuel Ratio Control parts are shown on Page 90
c927106 SEBP1127
9N1095 FUEL RATIO CONTROL GROUP Parts scheme
  For full view, you need register

Parts for your 3408 TRUCK ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9L-5125 [1] ELBOW  
2. 3N-1295 [1] HOSE ASSEM.  
3. 6N-0648 Y [1] CONTROL GROUP  
    (Separate Illustration)
4. 5P-4479 [1] ELBOW  
5. 4N-8111 [2] BOLT  
  9N-1974 [2] WASHER  
6. 2P-8643 [1] GASKET  
  Y   SEPARATE ILLUSTRATION
 

#SEBP11270236
 

4N-7171: FUEL RATIO CONTROL GROUP

4N7171 FUEL RATIO CONTROL GROUP--For Precombustion Chambered Engine
4N8256 Fuel Ratio Control parts are shown on Page 91
c210737 SEBP1127
4N7171 FUEL RATIO CONTROL GROUP Parts scheme
  For full view, you need register

Parts for your 3408 TRUCK ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9L-5125 [1] ELBOW  
2. 3N-1295 [1] HOSE ASSEM.  
3. 4N-8256 Y [1] CONTROL GROUP  
    (Separate Illustration)
4. 5P-4479 C [1] ELBOW  
5. 4N-8111 C [2] BOLT 8.26 cm(3.25 in.) long  
  9M-1974 C [2] WASHER  
6. 2P-8643 [1] GASKET  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#SEBP11270237
 

9N-5026: CONTROL GP-FUEL RATIO

9N5026 FUEL RATIO CONTROL GROUP--For Direct Injection Engine
Serial No. 28V2048 to 28V4042 inclusive
9N5062 Control parts are shown on Page 89A-1
c223038 SEBP1127
9N5026 CONTROL GP-FUEL RATIO Parts scheme
  For full view, you need register

Parts for your 3408 TRUCK ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6N-3169 [1] HOSE ASSEM. 60.96 cm (24 in.)  
2. 2N-1287 [1] ELBOW  
3. 4N-8112 [2] BOLT  
  8F-7242 [2] WASHER  
  3B-4505 [2] LOCKWASHER  
4. 2P-8643 [1] GASKET  
5. 9N-5062 Y [1] CONTROL GROUP  
    (Separate Illustration)
  Y   SEPARATE ILLUSTRATION
 

#SEBP11270238
 

9N-5026: CONTROL GP-FUEL RATIO

9N5026 FUEL RATIO CONTROL GROUP--Direct Injection Engine
Serial No. 28V4043-Up
9N6359 Control parts are shown on Page 89A-2
c179361 SEBP1127
9N5026 CONTROL GP-FUEL RATIO Parts scheme
  For full view, you need register

Parts for your 3408 TRUCK ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6N-3169 [1] HOSE AS 60.96CM(24IN)  
2. 2N-1287 [1] ELBOW-FLARED  
3. 4N-8112 [2] BOLT  
  8F-7242 [2] WASHER  
  3B-4505 [2] LOCKWASHER  
4. 2P-8643 [1] GASKET  
5. 9N-6359 YR [1] CONTROL GP-FUEL RATIO  
  R   REMFG PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#SEBP11270239
 

9N-5062: FUEL RATIO CONTROL GROUP

9N5062 FUEL RATIO CONTROL GROUP--For Direct Injection Engine
Serial No. 28V2048 to 28V4042 inclusive
Part of 9N5026 Fuel Ratio Control Group shown on Page 89A
c179362 SEBP1127
9N5062 FUEL RATIO CONTROL GROUP Parts scheme
  For full view, you need register

Parts for your 3408 TRUCK ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2P-8939 [1] VALVE  
2. 0S-1347 [1] BOLT (drilled)  
  0S-1615 [2] BOLT  
    - OR -
  6V-2627 C [3] BOLT (12 point)  
3. 4J-2506 [1] SEAL  
4. 6L-5766 [1] GASKET  
5. 2P-8226 [1] COVER  
6. 2P-8804 [1] DIAPHRAGM  
7. 2P-8875 [1] RETAINER ASSEM.  
8. 6N-0515 [1] SPRING (inner)  
9. 3P-1979 [1] SEAL  
10. 2P-8225 [1] HOUSING  
11. 6N-0593 [1] VALVE ASSEM.  
12. 2P-8234 [1] SEAL  
13. 2P-8801 [1] RETAINER  
14. 9N-2797 [1] SPRING (outer)  
15. 2P-8803 [1] WASHER  
16. 4B-3388 [2] BOLT  
  9M-1974 [2] WASHER  
17. 9N-2141 [1] SPRING  
18. 6N-7148 [1] COVER  
19. 7N-5715 [1] PIN  
20. 9S-5282 [3] WASHER  
  C   INDICATES CHANGE
 

Information:

Truck Engine News
New Turbocharger, Turbocharger Oil Lines Group And Aftercooler Air Lines Group Used
1981/03/06
Stronger Turbine Wheel Used In Turbocharger Shaft And Wheel Assemblies
1982/06/23
Special Instructions Packaged With Turbocharger Cartridge Repair Kits May Be Incorrect
1986/02/01
Oversize Bearings For Turbocharger Center Housings Available
1987/04/01
A Revised Special Instruction Provides Information on Service Replacement of the Turbocharger (for Turbocharged Engines Only) {1052}
2003/02/01
Policy for the Reuse of the Turbocharger Turbine Housing {1065}
2003/06/01
Policy for Reusing the Turbocharger Turbine Housing {1052, 1065, 7754}
2003/10/01
Prevent the Possibility of Contamination in order to Ensure Longer Life of Turbochargers {1052}
2003/12/01
Magnetic Cover for the Turbocharger Oil Supply Line {1052, 1307}
2006/02/01
Packaging the Turbocharger {1052}
2007/03/01
Engine News
New Design Exhaust Gasket Used In Air Lines Group
1979/05/09
Turbocharger Bearings Are Now Available In More Different Sizes For Better Turbocharger Reconditioning
1979/08/22
Exhaust Manifold And Air Lines Groups Changed To Prevent Exhaust Leakage
1979/08/22
Adapter For Disassembly And Assembly Of Turbocharger Cartridge
1977/01/28
Changes To Retainer Nut Torque And Assembly Procedures For Turbocharger Compressor Wheels
1977/03/15
New Elbow Between Turbocharger And Air Inlet Manifold Has Hole For Ether Starting Aid
1977/11/30
More Torque Now Used To Tighten The Retainer Nut For Turbocharger Compressor
1978/04/05
Silicone Grease Now Used In Seal Ring Groove In Turbochargers
1978/05/24
Improved Seal Rings For Turbine End Of Turbochargers
1978/07/05
Salvage Of Turbocharger Compressor Housing During Reconditioning
1978/10/18
A Revised Special Instruction Provides Information on Service Replacement of the Turbocharger (for Turbocharged Engines Only) {1052}
2003/03/01
Reuse And Salvage Has Updated Air Inlet Correction Factors for Dynamometer Testing {1000, 1052, 1087}
Reuse And Salvage Has Updated Air Inlet Correction Factors for Dynamometer Testing {1000, 1052, 1087}
Special Instruction
Installation of 7C9760 (12V) or 8N3569 (24V) Fuel Boost Pump Group{1250, 1256, 1260}
Installation of 7C9760 (12V) or 8N3569 (24V) Fuel Boost Pump Group{1250, 1256, 1260}
2W727 Turbocharger Cartridge Repair Kit{1053}
2W727 Turbocharger Cartridge Repair Kit{1053}
2W715 Turbocharger Cartridge Repair Kit{1053}
2W715 Turbocharger Cartridge Repair Kit{1053}
Instructions for the Service Replacement of the Turbochargers{1052}
Instructions for the Service Replacement of the Turbochargers{1052}
Installation Instructions for Turbochargers {1052}
Installation Instructions for Turbochargers {1052}
Proper Remanufactured Turbocharger Housing Adjustment and Alignment for Caterpillar Engines {1052, 1053}
Proper Remanufactured Turbocharger Housing Adjustment and Alignment for Caterpillar Engines {1052, 1053}
Specifications
Turbocharger (TV81)
3408 & 3408B DIESEL TRUCK ENGINE
Turbocharger (4MF)
3408 & 3408B DIESEL TRUCK ENGINE
Reuse And Salvage Guidelines
Reuse and Salvage for Turbochargers {0760, 0767, 1052}
Reuse and Salvage for Turbochargers {0760, 0767, 1052}
Information Release Memo
CAT REMAN ANNOUNCES AN ADVANCED SALVAGE TECHNIQUE WHICH WILL AFFECT THE APPEARANCE OF CERTAIN TURBOCHARGERS
CAT REMAN ANNOUNCES AN ADVANCED SALVAGE TECHNIQUE WHICH WILL AFFECT THE APPEARANCE OF CERTAIN TURBOCHARGERS
APPEARANCE CHANGE ON REMAN SHORT BLOCKS
APPEARANCE CHANGE ON REMAN SHORT BLOCKS
Disassembly and Assembly
Turbocharger
3408 & 3408B DIESEL TRUCK ENGINE
Turbocharger (Airesearch TV8103)
3408 & 3408B DIESEL TRUCK ENGINE
Turbocharger (Schwitzer 4MF)
3408 & 3408B DIESEL TRUCK ENGINE
Service Magazine
New Turbocharger, Turbocharger Oil Lines Group And Aftercooler Air Lines Group Used{1052,1058,1063,1307,1309}
1980/12/15
Remove Piston Cooling Tubes Before Removal Of Pistons And Connecting Rods{1214,1218,1201,1225,1307}
1981/07/13
Exhaust Manifold And Air Lines Changes Prevent Broken Studs And Exhaust Leaks {1059,1061}
1981/09/14
Carbon Build-Up In Combustion And Inlet Areas{1058,1101,1105,1214,1104}
1982/03/22
Stronger Turbine Wheel Used In Turbocharger Shaft And Wheel Assemblies{1053,1052}
1982/06/14
Caterpillar Recommends Against The Use Of Alcohol Mist Injection Systems{1050,1250}
1982/06/28
Remanufactured Piece Parts Now Available For Turbochargers (U.S. and Canada Only){1052,1053,1056,1065,1077}
1984/11/19
Use Care When Handling Turbocharger Compressor Wheels{1052,1077}
1985/12/16
Special Instructions Packaged With Turbocharger Cartridge Repair Kits May Be Incorrect{1053}
1986/02/03
Determining The Cause Of Glow Plug Tip Failures{1053,1105,1412}
1986/06/02
Adapter For Disassembly And Assembly Of Turbocharger Cartridge{0620,1053}
1977/01/24
Changes To Retainer Nut Torque And Assembly Procedures For Turbocharger Compressor Wheels{0374,1052}
1977/02/28
New Elbow Between Turbocharger And Air Inlet Manifold Has Hole For Ether Starting Aid{1058,1456}
1977/11/21
Oversize Bearings For Turbocharger Center Housings Available {1053,1052}
1987/03/30
Stop Engine If There Is A Turbocharger Bearing Failure{1052,1318}
1987/04/06
Be Sure To Correctly Tighten Turbocharger Clamp Assemblies{1052}
1987/09/07
More Torque Now Used To Tighten The Retainer Nut For Turbocharger Compressor{1052,1053}
1978/03/27
Silicone Grease Now Used In Seal Ring Groove In Turbochargers{1052,1053,1077}
1978/05/15
Improved Seal Rings For Turbine End Of Turbochargers{1052}
1978/07/03
Salvage Of Turbocharger Compressor Housing During Reconditioning{1052}
1978/10/09
New Design Exhaust Gasket Used In Air Lines Group{1061}
1979/04/30
Use Of 9S3265 Retaining Compound On Schwitzer Turbocharger Compressor Wheel Retainer Nuts{1052,1053}
1979/06/25
Turbocharger Bearings Are Now Available In More Different Sizes For Better Turbocharger Reconditioning{1053}
1979/08/20
Exhaust Manifold And Air Lines Groups Changed To Prevent Exhaust Leakage{1059,1061}
1979/08/27
Only One Dowel Pin Is Now Used To Hold The Thrust Bearing In The Correct Position{1053,1052}
1979/09/03
6V2055 High Vacuum Grease Gives Better Oil Seal {1052,1053,1077,0682}
1979/09/10
Different Thrust Bearing And Thrust Rings Now Used In Turbochargers{1052,1053}
1979/10/22
New Plug And O-Ring Can Help Prevent Oil Leakage At The Flywheel Housing Gasket{1157,1307}
1992/09/21
Compressor Nut Torque For Schwitzer Turbochargers{1052}
1993/07/26
New Seal Used In Air Lines Group {1058}
1994/03/21
Troubleshooting the Wastegate Canister {1052, 1057}
2008/12/22
Reuse And Salvage Has Updated Air Inlet Correction Factors for Dynamometer Testing {0769, 1052, 1087}
Reuse And Salvage Has Updated Air Inlet Correction Factors for Dynamometer Testing {0769, 1052, 1087}

Caterpillar Parts SIS Catalog 3408 :

CARTRIDGE GP-TURBOCHARGER
9N-6675 CARTRIDGE GP-TURBOCHARGER
CARTRIDGE GP-TURBOCHARGER
9N-3998 CARTRIDGE GP-TURBOCHARGER
TURBOCHARGER GP
1W-3439 TURBOCHARGER GP
TURBOCHARGER GP
1W-3786 TURBOCHARGER GP
TURBOCHARGER GP
9N-6753 TURBOCHARGER GP
TURBOCHARGER GP
9N-0448 TURBOCHARGER GP
TURBOCHARGER GP
9N-6676 TURBOCHARGER GP
TURBOCHARGER GP
9N-3953 TURBOCHARGER GP
CARTRIDGE GP-TURBOCHARGER
1W-1653 CARTRIDGE GP-TURBOCHARGER
DRIVE GP-GOVERNOR & FUEL PUMP
6N-3195 DRIVE GP-GOVERNOR & FUEL PUMP
DRIVE GP-GOVERNOR & FUEL PUMP
4N-0677 DRIVE GP-GOVERNOR & FUEL PUMP
DRIVE GP-GOVERNOR & FUEL PUMP
9N-3959 DRIVE GP-GOVERNOR & FUEL PUMP
FUEL RATIO CONTROL GROUP
9N-1095 FUEL RATIO CONTROL GROUP
FUEL RATIO CONTROL GROUP
4N-7171 FUEL RATIO CONTROL GROUP
CONTROL GP-FUEL RATIO
9N-5026 CONTROL GP-FUEL RATIO
CONTROL GP-FUEL RATIO
9N-5026 CONTROL GP-FUEL RATIO

Truck sale:

Caterpillar 3408 IND, Construction
45,000 
Caterpillar 3408 IND, Construction
- Industrial engines
LOUISIANA CAT POWER SYSTEMS
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