1991/05/01 Caterpillar


Oversize Main Bearings Used In Remanufactured Engines Are Also Available For Parts Service

Usage:


3306, 3306B Truck Engines

Oversize main bearings are being used in the short blocks of Remanufactured 3306 Engines. These bearings are also available for parts service when overhaul or repair of these engines is required. The bearings are available in the following two sizes.

4P7305 Main Bearing: 0.51 mm (.020") oversize OD, 0.51 mm (.020 ") undersize ID.
4P7306 Main Bearing: 0.51 mm (.020") oversize OD, 0.76 mm (.030 ") undersize ID.

Caterpillar Information System:

1991/05/01 Larger O-ring Seal Available For Oil Supply Port In Governor Housing
1991/05/01 Smaller Connecting Rod Bolt Used In 4W6425 Air Compressor; Use Correct Torque
1991/05/01 New Drain Plug And O-ring Seal Used In Oil Pan Groups
1991/05/01 Procedure To Retain Oil Pump When The Cylinder Block Pump Mounting Pad Is Broken
1991/05/01 Undersized Crankshaft And Bearings Available For 3176 Truck Engines
1991/05/01 Inlet Air Temperature Sensor Added And Fuel Pressure Sensor Removed From Engine Control System
1991/05/01 Replacing A 3176 (2YG) Truck Engine With A 1991 3176 (7LG) Truck Engine
1991/05/01 Component Changes For 1991 Model 3176 (7LG, 43Z) Engines{1052,1087,1119,1215,1290,1292,1304,1361,1362,1378,1408,1901,1902,1912}
1991/04/01 Simplified Battery Test Procedure SEHS7633-02 And Battery Test Sheet SEHS9326 Available
1991/04/01 Correct Position Of Lockwashers For Electrical Components With Screw Terminals
1991/04/01 New Performance Category For Engine Crankcase Oil
1991/04/01 Procedure For Applying 1U8846 Gasket Maker
1991/06/01 Personality Modules For 1991
1991/06/01 New Seal And Improved Plate Eliminate Leaks In Brakesaver Water Lines Group
1991/06/01 1,1,1-Trichloroethane May Damage Deutsch C-E Electrical Connectors
1991/06/01 Maintenance Wall Chart Available For 3406B Truck Engines
1991/06/01 List Of Service Publications
1991/07/01 Correct Adjustments And Installation Procedure For Engine Speed Timing Sensor
1991/07/01 New Dual Service Program Module (SPM) Available
1991/07/01 Full Load Setting (FLS) And Full Torque Setting (FTS) Should Be Correctly Programmed
1991/07/01 New Crankshaft Seal Groups Provide Increased Protection From Dirt And Dust
1991/07/01 New Exhaust Manifold Gasket Available
1991/07/01 Dowel Hole Removed From 8N3946 Governor Housing Improves Service Life
1991/08/01 Service Tips For Turbocharger Removal And Installation
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