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7N9681 CYLINDER BLOCK GP S/N 99U3559-Up. 7N0851--Page 10A 3408 MARINE ENGINE


BASIC ENGINE
CYLINDER BLOCK GP
CRANKSHAFT GP

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

BASIC ENGINE

CYLINDER BLOCK GP
CYLINDER BLOCK GP
7N-9681 CYLINDER BLOCK GP
CYLINDER BLOCK GP
7N-9681 CYLINDER BLOCK GP
CYLINDER BLOCK GP
4N-0801 CYLINDER BLOCK GP
COVER GP-CYLINDER BLOCK
4N-6955 COVER GP-CYLINDER BLOCK
CYLINDER BLOCK GROUP
7N-9683 CYLINDER BLOCK GROUP
CYLINDER BLOCK AS
7N-0851 CYLINDER BLOCK AS
CYLINDER BLOCK GP
7N-0853 CYLINDER BLOCK GP
CYLINDER BLOCK GP
6N-2151 CYLINDER BLOCK GP
COVER GP-LOWER STRUCTURE
4W-1544 COVER GP-LOWER STRUCTURE
 

#SEBP10930010
 

7N-9681: CYLINDER BLOCK GP

7N9681 CYLINDER BLOCK GP
S/N 99U3559-Up.
7N0851--Page 10A
c303824 SEBP1093
7N9681 CYLINDER BLOCK 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. 6L-4428 [3] STUD-TAPERLOCK  
2. 4N-4178 [2] PLATE-BLOCK  
  6N-9133 [2] GASKET-PLATE  
3. 9L-5854 [8] BAND-FILLER  
4. 4N-1650 [4] DOWEL  
5. 8M-8283 [2] SEAL-O-RING  
6. 7N-0943 [8] LINER-CYLINDER  
  2W-3815 A [8] INSERT-LINER SEAT  
7. 2N-6210 [24] SEAL-O-RING  
8. 4N-0683 [4] DOWEL  
9. 7N-0851 CY [1] CYLINDER BLOCK AS  
10. 9F-2247 [1] PLUG  
  A   NOT PART OF THIS GROUP
  C   CHANGE FROM PREVIOUS TYPE
  Y   SEPARATE ILLUSTRATION
 

#SEBP10930011
 

4N-0801: CYLINDER BLOCK GP

4N801 CYLINDER BLOCK GROUP
6N2151 Block parts are shown on Page 11
c222271 SEBP1093
4N0801 CYLINDER BLOCK 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. 6L-4428 [3] STUD  
2. 4N-4178 [2] PLATE  
  6N-9133 C [2] GASKET  
3. 9L-5854 [8] BAND  
4. 4N-1650 [4] DOWEL  
5. 8M-8283 [2] SEAL  
6. 7N-0943 C [8] LINER  
7. 2N-6210 [24] SEAL  
8. 4N-0683 [4] DOWEL  
9. 6N-2151 Y [1] BLOCK ASSEM.  
    (Separate Illustration)
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#SEBP10930012
 

4N-6955: COVER GP-CYLINDER BLOCK

4N6955 CYLINDER BLOCK COVER GROUP
c210128 SEBP1093
4N6955 COVER GP-CYLINDER BLOCK Parts scheme
  For full view, you need register

Parts for your 3408 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 0S-1594 B [12] BOLT  
2. 5M-2894 [12] WASHER  
3. 2P-2772 B [2] COVER  
  4N-0933 [2] GASKET  
4. 4N-1682 [1] COVER  
  4N-0864 [1] GASKET  
5. 4N-0794 B [1] COVER  
  4N-0790 [1] GASKET  
  C   INDICATES CHANGE
  B   USE AS REQUIRED
 

#SEBP10930013
 

7N-9683: CYLINDER BLOCK GROUP

7N9683 CYLINDER BLOCK GROUP
Part of 7N9681 Cylinder Block Group shown on Page 8B
c219307 SEBP1093
7N9683 CYLINDER BLOCK GROUP Parts scheme
  For full view, you need register

Parts for your 3408 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7M-7410 [4] PLUG  
2. 9S-4190 [4] PLUG  
  2M-9780 [4] SEAL  
3. 9F-2247 [8] PLUG  
4. 3J-5389 [3] PLUG (use as required)  
5. 4N-6658 [2] BEARING  
6. 3S-6605 [2] PLUG  
7. 4N-0685 [3] BEARING  
8. 3B-0645 [1] PLUG  
9. 4N-9916 [8] BOLT  
10. 4N-9881 [8] TUBE ASSEM.  
11. 4N-0693 [3] PLUG  
12. 7H-3171 [4] PLUG  
13. 4N-5858 [5] CAP  
14. 3P-1323 [10] BOLT  
  9H-1031 [10] WASHER  
 

#SEBP10930014
 

7N-0851: CYLINDER BLOCK AS

7N851 CYLINDER BLOCK ASSEMBLY
Serial No. 99U3559-Up
Part of 7N9681 Cylinder Block Group shown on Page 8B
For Field Replacement order 7N853 shown on Page 10B
c234684 SEBP1093
7N0851 CYLINDER BLOCK 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. 2N-6210 [24] SEAL-O-RING  
2. 7N-0943 [8] LINER-CYLINDER  
3. 9L-5854 [8] BAND-FILLER  
4. 3P-1323 [10] BOLT-BEARING CAP  
  9H-1031 [10] WASHER-HARD  
5. 4N-0614 [5] CAP-CRANKSHAFT BEARING  
6. 7N-0853 [1] CYLINDER BLOCK GP  
7. 4N-6658 [2] BEARING-SLEEVE  
8. 3J-5389 [2] PLUG  
9. 4N-0685 [3] BEARING-SLEEVE  
 

#SEBP10930015
 

7N-0853: CYLINDER BLOCK GP

7N853 CYLINDER BLOCK GROUP--Field Installation
Provides Field Replacement for 7N851 shown on Page 10A
c234685 SEBP1093
7N0853 CYLINDER BLOCK 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. 7M-7410 [4] PLUG  
2. 9S-4190 [4] PLUG  
  2M-9780 [4] SEAL  
3. 9F-2247 [8] PLUG  
4. 3J-5389 [2] PLUG (use as required)  
5. 4N-6658 [2] BEARING  
6. 3S-6605 [2] PLUG  
7. 4N-0685 [3] BEARING  
8. 3B-0645 [1] PLUG  
9. 4N-9916 [8] BOLT  
10. 4N-9881 [8] TUBE ASSEM.  
11. 4N-0693 [3] PLUG  
12. 7H-3171 [4] PLUG  
13. 4N-5858 [5] CAP  
14. 3P-1323 [10] BOLT  
  9H-1031 [10] WASHER  
 

#SEBP10930016
 

6N-2151: CYLINDER BLOCK GP

6N2151 CYLINDER BLOCK GROUP
Part of 4N801 Cylinder Block Group shown on Page 9
c207070 SEBP1093
6N2151 CYLINDER BLOCK 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. 7M-7410 [4] PLUG  
2. 9S-4190 [4] PLUG  
  2M-9780 [4] SEAL  
3. 9F-2247 [8] PLUG  
4. 3J-5389 [2] PLUG (use as required)  
5. 4N-6658 [2] BEARING  
6. 3S-6605 [2] PLUG  
7. 4N-0685 [3] BEARING  
8. 3B-0645 [1] PLUG  
9. 4N-9916 [8] SCREW  
10. 4N-9881 [8] TUBE ASSEM.  
11. 4N-0693 [3] PLUG  
12. 7H-3171 [4] PLUG  
13. 4N-5858 [1] CAP  
14. 3P-1323 [10] BOLT  
  9H-1031 [10] WASHER  
 

#SEBP10930017
 

4N-0920: CRANKSHAFT GP

4N0920 CRANKSHAFT GP
4N9442--Page 12
c211631 SEBP1093
4N0920 CRANKSHAFT 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-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
 

#SEBP10930018
 

4N-9442: KIT-CRANKSHAFT

4N9442 CRANKSHAFT ASSEMBLY*R
Part Of 4N920 Crankshaft Gp
c156201 SEBP1093
4N9442 KIT-CRANKSHAFT 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-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)  
 

#SEBP10930019
 

7N-3410: CRANKSHAFT GP

7N3410 CRANKSHAFT GP
S/N 99U655-4563
7N3407--Page 12A
c234686 SEBP1093
7N3410 CRANKSHAFT 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-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
 

Information:

Truck Engine News
The Cylinder Liners Have a New Appearance {1216}
2005/03/01
Engine News
In The Future, Oversize And Undersize Connecting Rod And Main Bearings Will Have Size Identification Marks In Metric Units
1980/07/09
New Connecting Rod And Main Bearings Have A Thicker Coating (Layer) Of Lead-Tin Overlay
1981/01/21
Remove Piston Cooling Tubes Before Removal Of Pistons And Connecting Rods
1981/07/15
Check Bottom Surface Of Cylinder Liner Flange For Erosion And Wear
1981/11/25
New Cylinder Liners And O-Ring Seals Give Longer Seal Life
1981/12/16
Carbon Build-Up In Combustion And Inlet Areas
1982/04/07
Use Correct Part Numbers For Main And Connecting Rod Bearings
1982/05/12
New Crankshaft Main Bearings Used
1982/05/12
Inspection Marks On Bearings
1982/05/12
New Head Gasket Improves Seal Between Block And Liner Flange
1982/10/20
Use FT1711 Light Table For Cylinder Liner Inspection
1982/12/15
New 6V7059 Micrometer Measures Liner Top Flange And Valve Lip
1982/12/15
Dimensions For Reconditioning Cylinder Blocks, Cylinder Heads
1983/01/19
Procedure To Clean Oil Passages In Crankshafts And Cylinder Blocks
1983/05/25
Damaged Lifter Bores In 3400 Series Engines Can Be Used Again
1983/07/06
New Liner Seat Insert Available
1983/08/17
Dimensions For Reconditioning Cylinder Blocks, Cylinder Heads
1984/05/16
New Recommendation For Oil Hole Location During Installation Of Camshaft Bearings
1984/05/16
New Cylinder Block Groups Used
1984/10/03
Install Crankshaft Thrust Bearings Correctly To Avoid Damage
1985/02/01
Substantial Price Reduction For Caterpillar Remanufactured Short Blocks
1985/06/01
Substantial Price Reduction For Caterpillar Remanufactured Short Blocks
1985/08/01
Effects Of Liner Wear In Engines Using Plasma Coated Top Rings
1985/12/01
New Cylinder Liner Available
1986/02/01
Main And Connecting Rod Bearing Part Numbers
1987/01/01
3400 Engine Major Component Performance Guide Available
1987/07/01
Mid-Life Bearing Maintenance Recommendations
1987/09/01
New Piston Cooling Jets Used
1987/09/01
New Liner Seat Insert Available
1988/12/01
New Bronze Thrust Plate Used On Center Main Bearing Of Crankshaft Groups
1990/12/01
Service Tips For Piston Cooling Jets (Tubes)
1990/12/01
Cylinder Kits Not Recommended For Use In 3400 Family of Marine Engines
1991/05/01
New Cylinder Kits Available
1992/04/01
Thinner Spacer Plates Available For Parts Service
1992/06/01
Connecting Rod Bearing Eliminates The Need For Mid-Life Connecting Rod Bearing Roll-In
1992/08/01
New Liner Seat Inserts Available
1992/11/01
Cylinder Pack Puller Groups Improved
1993/01/01
Be Sure Correct Piston Cooling Jets Are Installed{1331}
1994/12/01
New Material Used In O-Rings And Optional New Block Side Cover Replacement{1201}
1996/02/16
Flywheel Housing To Cylinder Block Joint Improvements{1157,1201}
1997/01/22
New Cylinder Liners
1977/01/28
Improved Main And Connecting Rod Bearings Have Aluminum Alloy With More Strength
1977/01/28
Modification To Holder To Machine Counterbore On Cylinder Block
1977/03/15
Clean Bolt Holes In Cylinder Block Before Cylinder Heads Are Installed
1977/07/13
5P8665 Cylinder Liner Puller Makes Liner Removal Easier And Faster
1978/01/18
New 5P8709 Piston Tool Group For The Alignment Of Piston Cooling Jets
1978/05/03
External (Outside) Oil Lines Now Used Instead Of The Oil Passage In The Cylinder Block And Flywheel Housing
1978/05/03
New Gasket Installed Between Flywheel Housing And Cylinder Block
1978/05/24
Use New Main Bearings In Replacement Cylinder Blocks
1978/07/05
Change In Procedure To Check Main Bearing Clearance
1978/08/30
Special Instruction
Pressure Lubrication Procedure for Remanufactured Engines and Short Blocks{1000, 1200, 1020}
Pressure Lubrication Procedure for Remanufactured Engines and Short Blocks{1000, 1200, 1020}
Use Of 5P8709 Tool Group For Alignment Of Piston Cooling Jets{1331}
Use Of 5P8709 Tool Group For Alignment Of Piston Cooling Jets{1331}
Installation Of 7N9013 Gasket Service Group{1101, 1221}
Installation Of 7N9013 Gasket Service Group{1101, 1221}
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}
Installing Heli-Coil Inserts In Caterpillar Cylinder Heads{1117}
Installing Heli-Coil Inserts In Caterpillar Cylinder Heads{1117}
Pressure Lubrication Procedure For Remanufactured Engines And Short Blocks{1000, 1201}
Pressure Lubrication Procedure For Remanufactured Engines And Short Blocks{1000, 1201}
Installation Of 2W3815 Or 5N93 Inserts{1217}
Installation Of 2W3815 Or 5N93 Inserts{1217}
Cylinder Block Cleaning Procedure{1201}
Cylinder Block Cleaning Procedure{1201}
Using 5P4175 Boring Tool Group And 5P1618 Tool Arrangement{0672, 1200}
Using 5P4175 Boring Tool Group And 5P1618 Tool Arrangement{0672, 1200}
Installation Instructions For The 160-9874 Gasket Kit {1213, 7555}
Installation Instructions For The 160-9874 Gasket Kit {1213, 7555}
Reuse and Salvage for Cast Iron Cylinder Blocks {1201, 1201}
Reuse and Salvage for Cast Iron Cylinder Blocks {1201, 1201}
Using the <NOBR> 6V-7840</NOBR> Deck Checking Tool Assembly {0701, 1201, 7225}
Using the 6V-7840 Deck Checking Tool Assembly {0701, 1201, 7225}
Visual Inspection of Liner Seats for 3400, C15, C16, and C18 Series Engines{1200}
Visual Inspection of Liner Seats for 3400, C15, C16, and C18 Series Engines{1200}
Service Letter-NACD
New Piston Pin Retainers Need To Be Installed In Certain Cylinder Kits In Parts Stock
New Piston Pin Retainers Need To Be Installed In Certain Cylinder Kits In Parts Stock
Remove All 3E6777 Seals And 5P8057 Kits From Dealer Inventory
Remove All 3E6777 Seals And 5P8057 Kits From Dealer Inventory
Remove All 7N9331, 7N9335, And 8N1911 Gaskets From Parts Stock
Remove All 7N9331, 7N9335, And 8N1911 Gaskets From Parts Stock
Service Letter-Australia
New Piston Pin Retainers Need To Be Installed In Certain Cylinder Kits In Parts Stock
New Piston Pin Retainers Need To Be Installed In Certain Cylinder Kits In Parts Stock
Remove All 3E6777 Seals And 5P8057 Kits From Dealer Inventory
Remove All 3E6777 Seals And 5P8057 Kits From Dealer Inventory
Remove All 7N9331, 7N9335, And 8N1911 Gaskets From Parts Stock
Remove All 7N9331, 7N9335, And 8N1911 Gaskets From Parts Stock
Service Letter-CFEL
New Piston Pin Retainers Need To Be Installed In Certain Cylinder Kits In Parts Stock
New Piston Pin Retainers Need To Be Installed In Certain Cylinder Kits In Parts Stock
Remove All 3E6777 Seals And 5P8057 Kits From Dealer Inventory
Remove All 3E6777 Seals And 5P8057 Kits From Dealer Inventory
Remove All 7N9331, 7N9335, And 8N1911 Gaskets From Parts Stock
Remove All 7N9331, 7N9335, And 8N1911 Gaskets From Parts Stock
Service Letter-CSARL
New Piston Pin Retainers Need To Be Installed In Certain Cylinder Kits In Parts Stock
New Piston Pin Retainers Need To Be Installed In Certain Cylinder Kits In Parts Stock
Remove All 3E6777 Seals And 5P8057 Kits From Dealer Inventory
Remove All 3E6777 Seals And 5P8057 Kits From Dealer Inventory
Remove All 7N9331, 7N9335, And 8N1911 Gaskets From Parts Stock
Remove All 7N9331, 7N9335, And 8N1911 Gaskets From Parts Stock
Service Letter-Americas
New Piston Pin Retainers Need To Be Installed In Certain Cylinder Kits In Parts Stock
New Piston Pin Retainers Need To Be Installed In Certain Cylinder Kits In Parts Stock
Remove All 3E6777 Seals And 5P8057 Kits From Dealer Inventory
Remove All 3E6777 Seals And 5P8057 Kits From Dealer Inventory
Remove All 7N9331, 7N9335, And 8N1911 Gaskets From Parts Stock
Remove All 7N9331, 7N9335, And 8N1911 Gaskets From Parts Stock
Service Letter-Brazil
New Piston Pin Retainers Need To Be Installed In Certain Cylinder Kits In Parts Stock
New Piston Pin Retainers Need To Be Installed In Certain Cylinder Kits In Parts Stock
Remove All 3E6777 Seals And 5P8057 Kits From Dealer Inventory
Remove All 3E6777 Seals And 5P8057 Kits From Dealer Inventory
Remove All 7N9331, 7N9335, And 8N1911 Gaskets From Parts Stock
Remove All 7N9331, 7N9335, And 8N1911 Gaskets From Parts Stock
Service Letter-Truck/Ag/Marine
New Piston Pin Retainers Need To Be Installed In Certain Cylinder Kits In Parts Stock
New Piston Pin Retainers Need To Be Installed In Certain Cylinder Kits In Parts Stock
Remove All 3E6777 Seals And 5P8057 Kits From Dealer Inventory
Remove All 3E6777 Seals And 5P8057 Kits From Dealer Inventory
Remove All 7N9331, 7N9335, And 8N1911 Gaskets From Parts Stock
Remove All 7N9331, 7N9335, And 8N1911 Gaskets From Parts Stock
Technical Information Bulletin
Liner Flange Breakage
Liner Flange Breakage
Specifications
Cylinder Liner
3408B and 3408C Industrial and Marine Engines
Cylinder Liner Projection
3408C and 3412C Marine Engines
Cylinder Block
3408C and 3412C Marine Engines
Tool Operating Manual
9U7990 Counter Bore Tool Group for 3176, 3300 and 3400 Series Engines{1201}
9U7990 Counter Bore Tool Group for 3176, 3300 and 3400 Series Engines{1201}
362-4250 Deck Height Measuring Tool{1201}
362-4250 Deck Height Measuring Tool{1201}
Service Letter-China
New Piston Pin Retainers Need To Be Installed In Certain Cylinder Kits In Parts Stock
New Piston Pin Retainers Need To Be Installed In Certain Cylinder Kits In Parts Stock
Remove All 3E6777 Seals And 5P8057 Kits From Dealer Inventory
Remove All 3E6777 Seals And 5P8057 Kits From Dealer Inventory
Remove All 7N9331, 7N9335, And 8N1911 Gaskets From Parts Stock
Remove All 7N9331, 7N9335, And 8N1911 Gaskets From Parts Stock
Service Letter-Asia
New Piston Pin Retainers Need To Be Installed In Certain Cylinder Kits In Parts Stock
New Piston Pin Retainers Need To Be Installed In Certain Cylinder Kits In Parts Stock
Remove All 3E6777 Seals And 5P8057 Kits From Dealer Inventory
Remove All 3E6777 Seals And 5P8057 Kits From Dealer Inventory
Remove All 7N9331, 7N9335, And 8N1911 Gaskets From Parts Stock
Remove All 7N9331, 7N9335, And 8N1911 Gaskets From Parts Stock
Reuse And Salvage Guidelines
Reuse and Salvage for Cast Iron Cylinder Blocks {1201, 1201}
Reuse and Salvage for Cast Iron Cylinder Blocks {1201, 1201}
Reuse and Salvage for 3176, 3300, 3400 & C-Series Engine Cylinder Blocks {0670, 0672, 0761, 1201, 7225}
Reuse and Salvage for 3176, 3300, 3400 & C-Series Engine Cylinder Blocks {0670, 0672, 0761, 1201, 7225}
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}
Inspection and Reuse Guideline of Cylinder Liners in Cat Engines {0761, 1201, 1213, 1216, 1216}
Inspection and Reuse Guideline of Cylinder Liners in Cat Engines {0761, 1201, 1213, 1216, 1216}
Using the <NOBR> 6V-7840</NOBR> Deck Checking Tool Assembly {0701, 1201, 7225}
Using the 6V-7840 Deck Checking Tool Assembly {0701, 1201, 7225}
Cylinder Block Salvage Procedure Using Belzona&reg; 1311 (Ceramic R Metal) {0700, 0701, 1000, 1201}
Cylinder Block Salvage Procedure Using Belzona® 1311 (Ceramic R Metal) {0700, 0701, 1000, 1201}
Cylinder Block Cleaning and Audit Procedure {0644, 0680, 0701}
Cylinder Block Cleaning and Audit Procedure {0644, 0680, 0701}
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
Service Letter-APD
New Piston Pin Retainers Need To Be Installed In Certain Cylinder Kits In Parts Stock
New Piston Pin Retainers Need To Be Installed In Certain Cylinder Kits In Parts Stock
Remove All 3E6777 Seals And 5P8057 Kits From Dealer Inventory
Remove All 3E6777 Seals And 5P8057 Kits From Dealer Inventory
Remove All 7N9331, 7N9335, And 8N1911 Gaskets From Parts Stock
Remove All 7N9331, 7N9335, And 8N1911 Gaskets From Parts Stock
Disassembly and Assembly
Camshaft Bearings
3408C & 3412C MARINE ENGINES
Spacer Plates
3408C & 3412C MARINE ENGINES
Piston Cooling Tubes
3408C & 3412C MARINE ENGINES
Cylinder Liners
3408C & 3412C MARINE ENGINES
Crankshaft Main Bearings
3408C & 3412C MARINE ENGINES
Camshaft Bearings
3408 & 3408B INDUSTRIAL AND MARINE ENGINES
Spacer Plates
3408 & 3408B INDUSTRIAL AND MARINE ENGINES
Piston Cooling Tubes
3408 & 3408B INDUSTRIAL AND MARINE ENGINES
Cylinder Liners
3408 & 3408B INDUSTRIAL AND MARINE ENGINES
Crankshaft Main Bearings
3408 & 3408B INDUSTRIAL AND MARINE ENGINES
Service Magazine
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
Remove Piston Cooling Tubes Before Removal Of Pistons And Connecting Rods{1214,1218,1201,1225,1307}
1981/07/13
Check Bottom Surface Of Cylinder Liner Flange For Erosion And Wear{1216,1201}
1981/11/16
New Cylinder Liners And O-Ring Seals Give Longer Seal Life{1216,1201,1213,1227}
1981/12/14
Use Of A Flex-Hone For Cylinder Liner Reconditioning{0664,0674,1216}
1981/12/21
Use Correct Part Numbers For Main And Connecting Rod Bearings{1230,1203,1219}
1982/04/12
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 Crankshaft Main Bearings Used{1203}
1982/05/10
New Head Gasket Improves Seal Between Block And Liner Flange{1101,1201}
1982/09/27
Service Information For Easier Use Of The 6V3100 Timing Indicator Group{0651,1250,1156,1157}
1982/10/11
Use FT1711 Light Table For Cylinder Liner Inspection {0652,1216}
1982/11/29
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
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
Damaged Lifter Bores In 3400 Series Engines Can Be Used Again{1201,0374}
1983/07/04
New Liner Seat Insert Available{1217}
1983/08/15
Reuse Of Engine Bearings{1230,1219,1203}
1983/11/21
Dimensions For Reconditioning Cylinder Blocks, Cylinder Heads{1201,1101,1103,1105}
1984/04/23
New Recommendation For Oil Hole Location During Installation Of Camshaft Bearings{1211}
1984/05/07
Salvaging Cylinder Block Top Decks After Liner Seat Erosion{1201,1216,1217}
1984/06/04
New Cylinder Block Groups Used{1201}
1984/10/01
Install Crankshaft Thrust Bearings Correctly To Avoid Damage{1202,1203}
1985/02/11
Use Care When Handling Water Seals For Cylinder Head Spacer Plates{1115}
1985/07/15
Effects Of Liner Wear In Engines Using Plasma Coated Top Rings{1215,1216,7770}
1985/11/11
New Cylinder Liner Available{1201}
1986/02/10
Service Reminders For 3400 Family Of Diesel Engines{1204,1214,1331}
1986/05/05
Determining The Cause Of Glow Plug Tip Failures{1053,1105,1412}
1986/06/02
Indications Of Engine Overspeeding When Only One Cam Lobe/Lifter Has Failed{1000,1100,1200}
1986/09/08
Bearing Failures On Engines Due To Lack Of Lubrication{1230,1219,1203,1202}
1986/09/08
New Indicator Instrument Group Available To Measure Crankcase Blowby And Radiator Air Velocity{0781,1200,1350}
1986/10/27
New Cylinder Liners{1216}
1977/01/24
Use New Procedure To Tighten Flywheel Housing Bolts{1157,1201}
1977/07/04
Clean Bolt Holes In Cylinder Block Before Cylinder Heads Are Installed{1101,1201}
1977/08/08
Main And Connecting Rod Bearing Part Numbers {1203,1219,1230}
1987/01/26
Stronger Timing Gear Housing; Additional Stud Used At Top Of Housing{1151,1201}
1987/02/23
Additional Guidelines For Using The 8T2700 Blowby/Air Flow Indicator Group {0781,1200,1350}
1987/07/20
Recommendations For Preventing Cooling System Damage {1201}
1987/08/31
Mid-Life Bearing Maintenance Recommendations {1203}
1987/09/14
New Piston Cooling Jets Used {1213,1214}
1987/09/14
5P8665 Cylinder Liner Puller Makes Liner Removal Easier And Faster{0621,1216}
1978/01/09
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
External (Outside) Oil Lines Now Used Instead Of The Oil Passage In The Cylinder Block And Flywheel Housing{1307}
1978/05/01
New Gasket Installed Between Flywheel Housing And Cylinder Block{1157,1201}
1978/05/22
Use New Main Bearings In Replacement Cylinder Blocks{1203,1201}
1978/06/12
New Information On Reusable Cylinder Liners{1216}
1978/06/19
Change In Procedure To Check Main Bearing Clearance{1203}
1978/08/28
Head Bolt Holes In Cylinder Blocks Can Be Repaired{1201,1101}
1988/10/24
New Liner Seat Insert Available{1201,1216,1217}
1988/11/14
New Centering Rings For Oversized Main Bearings{0665,1230}
1979/06/04
Why Engines Are Damaged By Fuel Sulfur{1104,1216,1280,1318,1215}
1979/08/27
New Design Thrust Plate Used In Crankshaft Group{1201,1202,1203}
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
Dimensions For Aluminum Washer{1221}
1990/07/23
Service Tips For Piston Cooling Jets (Tubes){1331}
1990/11/26
Remanufactured Camshafts And Cam Kits Available For Parts Service{1210,1211,1212}
1990/12/17
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
Cylinder Kits Not Recommended For Use In 3400 Family of Marine Engines And D8N Tractors{1214}
1991/05/20
No Gaskets Used With Aluminum Flywheel Housings{1157}
1991/10/14
New Cylinder Kits Available{1213}
1992/04/13
Thinner Spacer Plates Available For Parts Service{1221}
1992/06/29
New Liner Seat Inserts Available{1217}
1992/11/09
Cylinder Pack Puller Groups Improved {0705,1239}
1993/01/18
New 171-4660 Engine Stand Adapter Assembly Is Now Available {0701, 1000}
2000/04/17

Caterpillar Parts SIS Catalog 3408 :

CYLINDER BLOCK GP
7N-9681 CYLINDER BLOCK GP
2W-6101 ENGINE AR
2W-6101 ENGINE AR
8N-6663 ENGINE AR
8N-6663 ENGINE AR
6N-1152 ENGINE ARRANGEMENT
6N-1152 ENGINE ARRANGEMENT
4N-2243 ENGINE AR
CYLINDER BLOCK GP
4N-0801 CYLINDER BLOCK GP
COVER GP-CYLINDER BLOCK
4N-6955 COVER GP-CYLINDER BLOCK
CYLINDER BLOCK GROUP
7N-9683 CYLINDER BLOCK GROUP
CYLINDER BLOCK AS
7N-0851 CYLINDER BLOCK AS
CYLINDER BLOCK GP
7N-0853 CYLINDER BLOCK GP
CYLINDER BLOCK GP
6N-2151 CYLINDER BLOCK GP
CRANKSHAFT GP
4N-0920 CRANKSHAFT GP
KIT-CRANKSHAFT
4N-9442 KIT-CRANKSHAFT

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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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