1983/06/29 Caterpillar


New Camshaft Gear Has More Resistance To Pitting

Usage:


3408 Truck Engines

Description of Change: A new camshaft assembly is used on 3408 Truck Engines. The gear used on the new camshaft assembly has more resistance to pitting than the gear used on the former camshaft.

Adaptable As: The new 2W7980 Camshaft Assembly is a direct replacement for the former 1W5058 Camshaft Assembly which is canceled. The new 2W5288 Gear used in the new camshaft assembly can also be used as a replacement for the 7N8345 Gear used in the former camshaft assembly.

Caterpillar Information System:

1983/06/29 Change 6V3060 Egr Testers To Les Testers
1983/06/29 Pistons With Thicker Top Rings Must Be Used In Correct Applications
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1983/06/29 Remanufactured Alternators And Starting Motors Are Available
1983/06/29 List Of Service Publications
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1983/06/29 New Service Tools Available
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1983/06/29 New Reconditioning Specifications For Cylinders Decrease Piston Scuffing And Seizure
1983/08/31 New Filter Orifice Helps Prevent Governor Surge
1983/08/31 New Fuel Ratio Control Group Has Improved Diaphragm
1983/08/31 List Of Service Publications
1983/08/31 New Liner Seat Insert Available
1983/08/31 New Procedure And New Tool Can Be Used To Remove Cylinder Sleeves From The Cylinder Block
1983/08/31 New Governor Drive Gears And Weight Assemblies
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1983/08/31 Use A Pipe Plug For Repairs of Small Holes In Castings
1983/08/31 Information For Repair Of Hydraulic Fuel Ratio Controls
1983/08/31 Troubleshooting Engine Vibration; Damper Adapter Can Be Changed
1983/08/31 Recommendations For Use Of 6V6125 Infrared Thermometer
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