New Rod Bearings Have Higher Fatigue Strength{1219}
Usage:
Caterpillar Machines Powered By 3508, 3512, And 3516 Engines
Reference: Service Magazine: January 25, 1993; Page 1; "New Connecting Rod Bearing Used In Piston And Rod Groups".
Description of Change: New steel backed aluminum connecting rod bearings are used in the engines in these machines. The new connecting rod bearings use a new aluminum material that provides higher fatigue strength. The new connecting rod bearings will provide increased service life.
Adaptable To: The chart identifies the new and former connecting rod bearings and the various bearing sizes. The new bearings are direct replacements for the former bearings which are canceled.
Caterpillar Information System:
1995/05/08 Oil Filler Group Changes{1316}
1995/05/08 Corrected Altitude Deration Chart {1923,1902}
1995/05/08 New Electronic Control Group (Engine Coolant Temperature Sensor) Used{1906}
1995/05/08 New Front And Rear Crankshaft Seal Groups Used{1160,1161}
1995/05/08 New Plugged Filter Indicator Switch Improves Service Life{7450}
1995/05/08 Larger Bolts Provide Improved Bearing Retention For Increased Fan Bearing Life{1359}
1995/05/08 New Valve Cover And Valve Cover Base Assembly Used{1107,1120}
1995/05/08 Selecting The Correct Turbocharger, Wastegate Orifice, And Personality Module For 3500 Engines Used In 793B Trucks{1052,1057,1902}
1995/05/08 Selecting The Correct Turbocharger And Wastegate Orifice For 3500 Engines Used In 793 Trucks{1052,1057}
1995/05/08 Serviceable Parts Available For Water Spray Pumps Used On Asphalt Compactors{5614}
1995/05/08 Brake Release Pump For Towing Is Available{4354}
1995/05/01 Engine Air Filters{1054}
1995/05/08 Improved Spacer Plate Provides Visual Indication Of Use Of "Wide Flange" Cylinder Liners{1221}
1995/05/08 New Oil Filter Shield And Shield Mounting Screws Used In Oil Filter Base Assemblies{1306}
1995/05/15 Use Only 1R-0749 High Efficiency Fuel Filter Assembly {1254,1261}
1995/05/15 Service Life Of The 3Z-4729 Tube Assembly Can Be Increased By Modifying The Mounting Plate For The Combination Valve Group {5057,5064,5084}
1995/05/15 Ordering The Correct Ballstud When Making Drawbar Group Repairs {6170}
1995/05/15 Two Stick Cylinders Used To Provide Different Cylinder Strokes {5458}
1995/05/15 New Duo Cone Seal Retainer Provides Increased Face Load {4052}
1995/05/15 New Alternator Guard Available {7168}
1995/05/15 Improved Brackets And New Plates Provide Additional Support For Oil Cooler Groups {1375}
1995/05/15 New Components Added To Radiator Group, Aftercooler Group, Water Lines Group, And Expansion Tank Group Allow Installation Of Coolant Temperature And Coolant Level Sensor {1063,1353,1354,1380}
1995/05/22 New Universal Joint Group Gives Improved Service Life{3253,3251}
1995/05/22 Guard Now Used In Rear Service Brake Lines Group To Prevent Reservoir Cap From Loosening{4291}