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1W9802 CYLINDER HEAD GROUP Serial No. 99U4410-Up Part of 4N1816 Cylinder Head Group shown on Page 18D. 1W9799 Head parts are shown on Page 19C-2 3408


BASIC ENGINE
CYLINDER HEAD GP
SERVICE EQUIPMENT AND SUPPLIES
GASKET & SEAL KITS
BASIC ENGINE
VALVE MECHANISM GP

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

BASIC ENGINE

CYLINDER HEAD GP
CYLINDER HEAD GP
6N-9979 CYLINDER HEAD GP
CYLINDER HEAD GP
7N-0857 CYLINDER HEAD GP
CYLINDER HEAD GP
1W-9802 CYLINDER HEAD GP
CYLINDER HEAD AS
1W-9799 CYLINDER HEAD AS
CYLINDER HEAD AS-SERVICE
1W-9800 CYLINDER HEAD AS-SERVICE
 

#SEBP10930050
 

1W-9802: CYLINDER HEAD GP

1W9802 CYLINDER HEAD GROUP
Serial No. 99U4410-Up
Part of 4N1816 Cylinder Head Group shown on Page 18D. 1W9799 Head parts are shown on Page 19C-2
c312646 SEBP1093
1W9802 CYLINDER HEAD 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. 4N-5906 [16] SPRING-VALVE  
2. 6N-7175 [16] ROTOCOIL AS  
    (EACH INCLUDES)
  6N-7154 [1] ROTOCOIL AS  
3. 6N-7174 [1] SHIELD-OIL  
4. 1W-9799 Y [1] CYLINDER HEAD AS  
5. 2N-5775 [8] DOWEL  
6. 4N-2803 [16] GUIDE-VALVE  
7. 1W-3859 [8] VALVE-INLET  
8. 1W-3860 [8] VALVE-EXHAUST  
9. 2A-4429 [32] LOCK-RETAINER  
  Y   SEPARATE ILLUSTRATION
 

#SEBP10930051
 

1W-9799: CYLINDER HEAD AS

1W9799 CYLINDER HEAD ASSEMBLY
Serial No. 99U4410-Up
Part of 1W9802 & 1W9800 Cylinder Head Groups shown on Pages 19C-1 & 19C-2
c312756 SEBP1093
1W9799 CYLINDER HEAD AS Parts scheme
  For full view, you need register

Parts for your 3408 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3B-0645 [6] PLUG-CUP  
2. 3B-0623 [8] PLUG-CUP  
3. 9S-9699 [8] INSERT-SEAT (EXHAUST)  
  4S-8902 A [8] INSERT  
    .13MM(.005IN)OVERSIZE
  4S-8903 A [8] INSERT  
    .26MM(.010IN)OVERSIZE
4. 4N-5893 [8] INSERT-INLET  
  4S-8898 A [8] INSERT  
    .13MM(.005IN)OVERSIZE
  4S-8899 A [8] INSERT  
    .26MM(.010IN)OVERSIZE
  A   NOT PART OF THIS GROUP
 

#SEBP10930052
 

1W-9800: CYLINDER HEAD AS-SERVICE

1W9800 CYLINDER HEAD ASSEMBLY--Field Installation
Serial No. 99U4410-Up
1W9799 Head parts are shown on Page 19C-2
c312759 SEBP1093
1W9800 CYLINDER HEAD AS-SERVICE Parts scheme
  For full view, you need register

Parts for your 3408 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4N-2803 [16] GUIDE-VALVE  
2. 2N-5775 [8] DOWEL  
3. 1W-9799 Y [1] CYLINDER HEAD AS  
  Y   SEPARATE ILLUSTRATION
 

#SEBP10930053
 

7N-9013: GASKET SERVICE GROUP

7N9013 GASKET SERVICE GROUP--Cylinder Head--Field Installation
Serial No. 99U1 to 99U584
SEBP10930053 SEBP1093
  For full view, you need register

Parts for your 3408 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  7N-9007 [1] GASKET PLATE  
  7N-9006 [1] GASKET CYLINDER HEAD  
  7N-0623 [4] SEAL  
 

#SEBP10930054
 

4N-4298: VALVE MECHANISM GP

4N4298 VALVE MECHANISM GROUP
4N1718 Rocker Arm parts are shown on Pages 20 and 20A
c932483 SEBP1093
4N4298 VALVE MECHANISM 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. 4N-1718 Y [2] ROCKER ARM  
    (Separate Illustration)
2. 4N-5611 [8] BRIDGE ASSEM. (exhaust)  
    (Each Includes)
3. 2N-5842 [1] SCREW  
  9L-7712 [1] NUT  
4. 2P-9845 [8] BOLT  
  5H-1504 [8] WASHER  
5. 4N-5609 [16] ROD  
6. 6N-6872 [16] SPRING  
7. 6N-4589 R [16] LIFTER ASSEM.  
8. 4N-5612 [8] BRIDGE ASSEM. (intake)  
    (Each Includes)
9. 2N-5842 [1] SCREW  
  9L-7712 [1] NUT  
  R   REMFG PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#SEBP10930055
 

4N-1718: ROCKER ARM GP

4N1718 ROCKER ARM GROUP
Serial No. 99U1 to 99U583 inclusive
Part of 4N4298 Valve Mechanism Group
c932484 SEBP1093
4N1718 ROCKER ARM 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. 006-7403 [1] RETAINER  
2. 2N-7228 [4] WASHER  
3. 4N-0955 [2] PIN  
4. 2N-7229 [3] SPRING  
5. 4N-1106 [1] SHAFT ASSEM.  
    (Includes)
6. 5B-1866 [2] PLUG  
7. 4N-0833 [4] BRACKET  
8. 4N-5614 [8] ARM ASSEM.  
9. 1A-2935 [8] SCREW  
10. 9L-7712 [8] NUT  
 

#SEBP10930056
 

4N-1718: ROCKER ARM GP

4N1718 ROCKER ARM GROUP
Serial No. 99U584 to 99U589 inclusive
Part of 4N4298 Valve Mechanism Group shown on Page 20
c163051 SEBP1093
4N1718 ROCKER ARM 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. 006-7403 [1] RETAINER  
2. 2N-7228 [4] WASHER  
3. 4N-0955 [2] PIN  
4. 2N-7229 [3] SPRING  
5. 4N-1106 [1] SHAFT ASSEM.  
    (Includes)
6. 5B-1866 [2] PLUG  
7. 7N-0839 C [2] BRACKET ASSEM.  
8. 4N-5614 [8] ARM ASSEM.  
9. 1A-2935 [8] SCREW  
10. 9L-7712 [8] NUT  
11. 4N-0833 C [2] BRACKET  
  C   INDICATES CHANGE
 

#SEBP10930057
 

4N-1718: ROCKER ARM GP

4N1718 ROCKER ARM GROUP
Serial No. 99U590-Up
Part of 4N4298 Valve Mechanism Group shown on Page 20
c234687 SEBP1093
4N1718 ROCKER ARM 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. 006-7403 C [2] RING-RETAINING  
2. 2N-7228 [4] WASHER  
3. 4N-0955 [2] PIN-DOWEL  
4. 2N-7229 [3] SPRING  
5. 4N-1106 [1] SHAFT AS-ROCKER  
6. 0L-1022 C [2] PLUG-CUP  
7. 7N-1198 C [3] BRACKET-ROCKER ARM SHAFT  
8. 4N-5614 [8] ARM AS-ROCKER  
9. 1A-2935 [8] SCREW-ROCKER ADJUSTABLE  
10. 9L-7712 [8] NUT  
11. 7N-0839 C [1] BRACKET AS  
12. 2D-6642 C [2] BALL 6.35MM(.25IN.)DIA.  
    -OR-
  2D-6642 C [1] BALL 6.35MM(.25IN.)DIA.  
  4B-9880 C [1] BALL 7.93MM(.312IN.)DIA.  
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP10930058
 

8N-2184: COVER GP-VALVE MECHANISM-LH

8N2184 VALVE MECHANISM COVER GROUP--L.H.
See 3N8700 Premium Instrument Panel, Mounting & Connections listed on Page 233
for usage. AN ATTACHMENT
c221343 SEBP1093
8N2184 COVER GP-VALVE MECHANISM-LH Parts scheme
  For full view, you need register

Parts for your 3408 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6N-2438 [1] COVER-ROCKER ARM  
2. 5P-5678 D SEAL 1.77M(69.5IN.)  
3. 6N-2985 [1] CAP AS-FILLER  
4. 9L-8925 [9] BOLT  
5. 4N-0851 [2] ADAPTER  
  D   ORDER BY THE METER
 

#SEBP10930059
 

4N-4299: COVER GP-VALVE MECHANISM

4N4299 VALVE MECHANISM COVER GROUP
c169621 SEBP1093
4N4299 COVER GP-VALVE MECHANISM Parts scheme
  For full view, you need register

Parts for your 3408 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5P-5678 BCD SEAL 7.22M(284.50 IN)  
2. 9L-8925 [40] BOLT  
3. 6N-2522 [2] BASE-ARMATURE COVER  
4. 7M-1599 C [8] STUD-TAPERLOCK  
5. 6N-2438 [2] COVER-ROCKER ARM  
6. 6N-2985 [1] CAP AS-FILLER  
7. 4N-0851 [3] ADAPTER  
8. 4N-4957 C [1] PLUG  
  B   USE AS REQUIRED
  C   CHANGE FROM PREVIOUS TYPE
  D   ORDER BY THE METER
 

Information:

Engine News
New Tool Makes Glow Plug Wire Removal Easier
1981/05/20
Service Manual Information About Inside Diameters Of Valve Guides
1981/10/21
New Fuel Nozzle Adapter Assembly Used
1982/02/24
Reconditioning Of Bridge Wear Seat Is Permitted; Will Prevent Bridge Replacement When Not Necessary
1982/04/07
Carbon Build-Up In Combustion And Inlet Areas
1982/04/07
Improved Inlet And Exhaust Valves
1982/09/22
Fuel In The Cooling System Or Coolant In The Engine Oil Can Result From Cracked Fuel Nozzle Adapter
1982/10/20
New Head Gasket Improves Seal Between Block And Liner Flange
1982/10/20
Dimensions For Reconditioning Cylinder Blocks, Cylinder Heads
1983/01/19
Use Caution During Replacement Of Damaged Nozzle Adapters Or Precombustion Chambers
1983/01/19
Engine Valve Stem "Use Again" Specifications
1983/03/16
New Fuel Nozzle Adapters Used
1983/05/25
Valve Damage Can Be Caused By Short Intervals Of Engine Operation In Very Cold Temperatures
1983/10/26
New Valve Lifter Assemblies Used In Valve Mechanism Groups
1983/11/30
New Adapter Assemblies And Clamps Used To Hold Fuel Nozzles In Position
1984/03/07
Dimensions For Reconditioning Cylinder Blocks, Cylinder Heads
1984/05/16
Surface Grinding Of Compacted Graphite Iron Cylinder Heads
1984/07/11
New Inlet Valves Used In Cylinder Heads
1984/09/12
New High Alloy Material Is Used In Cylinder Head Assemblies
1984/10/24
A New Book "Analyzing Diesel And Natural Gas Engine Valve Failures" Is Available
1985/03/01
Extra Injection Nozzle Clamp Helps Prevent Injection Nozzle Damage
1985/08/01
Cylinder Head And Valve Rocker Arm Brackets Have Oil Supply Passages In A Different Location To Prevent Possible Oil Leakage Into Cooling System
1985/11/01
Adjust Bridge Whenever Valve Clearance Adjustments Are Made
1986/04/01
Determining The Cause Of Glow Plug Tip Failures
1986/06/01
Valve Lash Adjustment Interval Is Changed
1986/07/01
Change To Interval For Valve Lash Adjustment
1987/02/01
Salvage Of Cylinder Heads By Using Oversized Valve Guides And Valve Inserts
1987/04/01
Silicone Rubber Water Seals Available
1987/07/01
Improved Valve Mechanism Cover Groups
1988/01/01
Seal Retainer And Seals Are Required When A New Cylinder Head Assembly Is Installed
1988/11/01
Improved Head Gasket Used; Service Tips
1990/03/01
Reconditioning Of Bridge Wear Seat Is Permitted; Will Prevent Bridge Replacement When Not Necessary
1990/05/01
Dimensions For Aluminum Washer
1990/08/01
New Exhaust Valves Are Used In Caterpillar Remanufactured Cylinder Heads
1990/10/01
Cylinder Head Gaskets Improved To Provide Better Fire Ring Retention{1124}
1994/02/01
Identification Of Intake And Exhaust Valves That May Be Used In Remanufactured Direct Injected 3400 Cylinder Heads{1105}
1994/04/18
New Intake And Exhaust Valves Used {1105,1100}
1994/06/01
New Rocker Arm Adjustment Screw Used To Adjust Valve Clearance {1123,1100}
1994/06/01
New Valve Lifter Assembly Provides Improved Lubrication Of Lifter Roller And Camshaft Lobes {1209,1210}
1994/06/01
New Inlet And Exhaust Valves Have Thinner Heads{1105}
1995/02/01
Valve Lash Adjustment Intervals{1105}
1995/08/01
New And Reconditioned Valve Projection Specifications{1105}
1995/09/01
Be Sure To Use The Correct Inlet And Exhaust Valves In Engines Equipped With Valve Bridges That Do Not Ride On Dowels{1105,1121}
1998/03/01
Recommended Repairs After Cylinder Head Gasket Failure {1101}
1999/11/01
Improved Exhaust Valve Now Available
1977/03/15
Correct Installation Of Valve Lifters On The Camshaft Is Very Important To Prevent Failures
1977/05/25
5P7333 Tool Group Available For The Repair Of Loose Bridge Dowels On Cylinder Heads
1977/06/29
Clean Bolt Holes In Cylinder Block Before Cylinder Heads Are Installed
1977/07/13
Tolerance Added To Valve Clearance Specifications
1978/01/18
Use Again Specifications For Valve Springs Are Changed
1978/03/01
5P8700 Lifting Brackets Permit Cylinder Head Assembly To Be Removed And Installed
1978/07/05
Caterpillar Warranty Claims on Cylinder Head Valves {1105}
2005/10/03
Clearly Mark all of the Cracks on the Cylinder Head Including Remanufactured Engines with Serial Number Prefixes 1WW, BFF, DLA, BFD, BKY, BLR, ECP, BGE, BKS, BLJ, B1A, BNF and 2MZ {1101, 7754}
2006/04/10
Improved Cylinder Head Assemblies Are Available through Cat Reman for Certain Commercial Engines {1100}
2012/05/09
A New Water Seal Assembly Is Now Used on All 3408, 3412, C27 and C32 Commercial Engines {1100, 7555}
2013/05/13
Special Instruction
3400 Cylinder Head To Block Joint Repair Procedure{1124}
3400 Cylinder Head To Block Joint Repair Procedure{1124}
Installation Of 7N9013 Gasket Service Group{1101, 1221}
Installation Of 7N9013 Gasket Service Group{1101, 1221}
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}
Installation Of 2W3815 Or 5N93 Inserts{1217}
Installation Of 2W3815 Or 5N93 Inserts{1217}
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}
Determining the Cause of Fuel Dilution of Engine Oil {1101, 1124, 1251, 1280, 1290}
Determining the Cause of Fuel Dilution of Engine Oil {1101, 1124, 1251, 1280, 1290}
Technical Information Bulletin
Failures of the 4W-5733 Valve Adapter and the 4W-5719 Adapter As on Certain 3408 and 3412 Engines{1100}
Failures of the 4W-5733 Valve Adapter and the 4W-5719 Adapter As on Certain 3408 and 3412 Engines{1100}
Specifications
Cylinder Head
3408B and 3408C Industrial and Marine Engines
Cylinder Head Valves
3408C and 3412C Marine Engines
Tool Operating Manual
185-5321 Cylinder Head Lifting Hook Assembly{0599, 0632, 0703, 1101, 6459}
185-5321 Cylinder Head Lifting Hook Assembly{0599, 0632, 0703, 1101, 6459}
{0374, 0599, 0629, 0632, 0700, 0701, 1100, 1101}
{0374, 0599, 0629, 0632, 0700, 0701, 1100, 1101}
M0088789: 550-9152 Gage Ring Assembly {0374, 0599, 0700, 0701, 0759, 1100, 1105}
M0088789: 550-9152 Gage Ring Assembly {0374, 0599, 0700, 0701, 0759, 1100, 1105}
Reuse And Salvage Guidelines
Engine Valve Failure Modes{1100, 1105}
Engine Valve Failure Modes{1100, 1105}
Reuse and Salvage for Cylinder Head Assemblies {1100, 1101, 1103, 1104, 1105, 1106, 1108, 1109, 1115, 1117, 1121, 1124, 1125}
Reuse and Salvage for Cylinder Head Assemblies {1100, 1101, 1103, 1104, 1105, 1106, 1108, 1109, 1115, 1117, 1121, 1124, 1125}
Reuse & Salvage for Valvetrain Components {1102, 1108, 1109, 1121, 1123}
Reuse & Salvage for Valvetrain Components {1102, 1108, 1109, 1121, 1123}
Using the 9U-5383 Vacuum Tester {0774, 0781, 1000, 1100}
Using the 9U-5383 Vacuum Tester {0774, 0781, 1000, 1100}
Applied Failure Analysis
Engine Valve Failure Modes{1100, 1105}
Engine Valve Failure Modes{1100, 1105}
Information Release Memo
PRODUCT LINE ADDITIONS: REMANUFACTURED SHORT AND LONG BLOCKS FOR VARIOUS APPLICATIONS
PRODUCT LINE ADDITIONS: REMANUFACTURED SHORT AND LONG BLOCKS FOR VARIOUS APPLICATIONS
APPEARANCE CHANGE ON REMAN SHORT BLOCKS
APPEARANCE CHANGE ON REMAN SHORT BLOCKS
CAT REMAN ANNOUNCES ADDITIONAL CYLINDER HEAD RELEASES FOR MINING AND OTHER APPLICATIONS
CAT REMAN ANNOUNCES ADDITIONAL CYLINDER HEAD RELEASES FOR MINING AND OTHER APPLICATIONS
Disassembly and Assembly
Glow Plugs (Precombustion Chambers)
3408C & 3412C MARINE ENGINES
Fuel Injection Nozzles & Adapters
3408C & 3412C MARINE ENGINES
Precombustion Chambers
3408C & 3412C MARINE ENGINES
Direct Injection Adapters
3408C & 3412C MARINE ENGINES
Cylinder Head Assemblies
3408C & 3412C MARINE ENGINES
Valves
3408C & 3412C MARINE ENGINES
Valve Seat Inserts
3408C & 3412C MARINE ENGINES
Valve Guides
3408C & 3412C MARINE ENGINES
Bridge Dowels
3408C & 3412C MARINE ENGINES
Glow Plugs
3408 & 3408B INDUSTRIAL AND MARINE ENGINES
Precombustion Chambers
3408 & 3408B INDUSTRIAL AND MARINE ENGINES
Fuel Injection Nozzles And Adapters
3408 & 3408B INDUSTRIAL AND MARINE ENGINES
Direct Injection Adapters
3408 & 3408B INDUSTRIAL AND MARINE ENGINES
Cylinder Head Assemblies
3408 & 3408B INDUSTRIAL AND MARINE ENGINES
Valves
3408 & 3408B INDUSTRIAL AND MARINE ENGINES
Valve Guides
3408 & 3408B INDUSTRIAL AND MARINE ENGINES
Valve Seat Inserts
3408 & 3408B INDUSTRIAL AND MARINE ENGINES
Bridge Dowels
3408 & 3408B INDUSTRIAL AND MARINE ENGINES
Service Magazine
Use The Correct Water Temperature Contactor{1350,1100}
1980/02/11
Service Manual Information About Inside Diameters Of Valve Guides{1104,0374}
1981/10/05
New Fuel Nozzle Adapter Assembly Used{1106}
1982/02/15
Reconditioning of Bridge Wear Seat Is Permitted; Will Prevent Bridge Replacement When Not Necessary{1100}
1982/03/08
Carbon Build-Up In Combustion And Inlet Areas{1058,1101,1105,1214,1104}
1982/03/22
Vacuum Tester Checks For Leaks Between Valve Face and Seat{0651,1103,1105}
1982/09/06
Improved Inlet And Exhaust Valves{1105}
1982/09/06
New Instruction Card Available For 6V87 Valve Stem Gauge{0653}
1982/09/06
New Head Gasket Improves Seal Between Block And Liner Flange{1101,1201}
1982/09/27
Fuel In The Cooling System Or Coolant In The Engine Oil Can Result From Cracked Fuel Nozzle Adapter{1106}
1982/10/18
New 6V7059 Micrometer Measures Liner Top Flange And Valve Lip {0653,1216,1105}
1982/11/29
Dimensions For Reconditioning Cylinder Blocks, Cylinder Heads{1201,1101,1103,1105}
1982/12/20
Engine Valve Stem "Use Again" Specifications{0653,1105}
1983/02/28
New Fuel Nozzle Adapters Used{1106}
1983/05/09
New Liner Seat Insert Available{1217}
1983/08/15
Valve Damage Can Be Caused By Short Intervals Of Engine Operation In Very Cold Temperatures{1105,1208}
1983/10/17
New Adapter Assemblies And Clamps Used To Hold Fuel Nozzles In Position{1106,1252}
1984/02/27
Dimensions For Reconditioning Cylinder Blocks, Cylinder Heads{1201,1101,1103,1105}
1984/04/23
Surface Grinding Of Compacted Graphite Iron Cylinder Heads{1101}
1984/07/02
New Inlet Valve Used{1105}
1984/09/03
New High Alloy Material Is Used In Cylinder Head Assemblies{1101}
1984/10/15
Remanufactured Cylinder Head Groups{1100,1101,7554}
1984/11/19
Valve Lash Adjustment Not A Warranty Item {1102,1105}
1985/01/14
Use Care When Handling Water Seals For Cylinder Head Spacer Plates{1115}
1985/07/15
Cylinder Head And Valve Rocker Arm Brackets Have Oil Supply Passages In A Different Location To Prevent Possible Oil Leakage Into Cooling System {1100,1102,1350}
1985/10/21
Adjust Bridge Whenever Valve Clearance Adjustments Are Made{1121,1105,1100}
1986/04/07
Determining The Cause Of Glow Plug Tip Failures{1053,1105,1412}
1986/06/02
Valve Lash Adjustment Interval Is Changed {1105}
1986/07/07
Indications Of Engine Overspeeding When Only One Cam Lobe/Lifter Has Failed{1000,1100,1200}
1986/09/08
Avoid Oil Contact With New Water Passage Seals Used In Cylinder Head Groups{1100}
1986/12/15
New Water Temperature Regulator Has A Closer Fit At The Valve Seat To Keep Leakage At A Minimum{1355}
1977/01/17
Improved Exhaust Valve Now Available{1105}
1977/02/28
Correct Installation Of Valve Lifters On The Camshaft Is Very Important To Prevent Failures{1209}
1977/05/16
Clean Bolt Holes In Cylinder Block Before Cylinder Heads Are Installed{1101,1201}
1977/08/08
Tools Now Available To Ream And/Or Hone 0.500" (12.70 mm) Diameter Valve Guides{0663}
1977/08/22
Salvage Of Cylinder Heads By Using Oversized Valve Guides And Valve Inserts {1104,1103}
1987/03/30
Silicone Rubber Water Seals Available{1100}
1987/07/06
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
A Gasket Group Is Available To Give Improved Sealing For The Oil Supply To The Rocker Arms On Early Engines{1101,1102,1221}
1978/04/03
5P8700 Lifting Brackets Permit Cylinder Head Assembly To Be Removed And Installed{0644,1100}
1978/06/19
Head Bolt Holes In Cylinder Blocks Can Be Repaired{1201,1101}
1988/10/24
A New Method To Clean And Polish Engine Valve Stems{0674,1105}
1979/05/28
Why Engines Are Damaged By Fuel Sulfur{1104,1216,1280,1318,1215}
1979/08/27
Fuel Sulfur-Your Diesel's Silent Enemy{0375,1280}
1979/12/17
Improved Head Gasket Used; Service Tips {1124,1216,1221,7568}
1990/02/26
Reconditioning Of Bridge Wear Seat Is Permitted; Will Prevent Bridge Replacement When Not Necessary{1121}
1990/04/30
New Exhaust Valves Are Used In Caterpillar Remanufactured Cylinder Heads{1105,1101}
1990/10/08
A New Water Seal Assembly Is Now Used on All 3408 and 3412 Engines {1100, 7555}
2013/08/06

Caterpillar Parts SIS Catalog 3408 :

CYLINDER HEAD GP
7N-0857 CYLINDER HEAD GP
CYLINDER HEAD GP
6N-9979 CYLINDER HEAD GP
CYLINDER HEAD GP
6N-9979 CYLINDER HEAD GP
CYLINDER HEAD GROUP
4N-1710 CYLINDER HEAD GROUP
CYLINDER HEAD GP
4N-1816 CYLINDER HEAD GP
CYLINDER HEAD GP
4N-1816 CYLINDER HEAD GP
CYLINDER HEAD GP
4N-1816 CYLINDER HEAD GP
CYLINDER HEAD GP
4N-1816 CYLINDER HEAD GP
CYLINDER HEAD AS
1W-9799 CYLINDER HEAD AS
CYLINDER HEAD AS-SERVICE
1W-9800 CYLINDER HEAD AS-SERVICE
7N-9013 GASKET SERVICE GROUP
VALVE MECHANISM GP
4N-4298 VALVE MECHANISM GP
ROCKER ARM GP
4N-1718 ROCKER ARM GP
ROCKER ARM GP
4N-1718 ROCKER ARM GP
ROCKER ARM GP
4N-1718 ROCKER ARM GP
COVER GP-VALVE MECHANISM-LH
8N-2184 COVER GP-VALVE MECHANISM-LH

Truck sale:

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