1995/05/22 Caterpillar

New Universal Joint Group Gives Improved Service Life{3253,3251}

Usage:

D20D (9MG),
D250D (6NG) Articulated Trucks

Description of Change: A new universal joint group is now used. The new universal joint group, part of the 7U-7320 and 7U-7435 Drive Shaft Groups, has a longer slip length. The splines on the former universal joint could bottom/bs-bs/out while turning the machine.

Adaptable To: The new 113-4095 Universal Joint Group is a direct replacement for the former 7U-7308 Universal Joint Group which is canceled.The new 113-4095 Universal Joint Group is effective with D20D (9MG119) and D250D (6NG385) Articulated Trucks.

The serviceable parts for the new 113-4095 Universal Joint Group are shown in the illustration.

Serviceable parts for the 113-4095 Universal Joint Group (1) 6H-2577 Spider Assembly. (2) 107-6277 Seal. (3) 0S-1579 Bolt.

Caterpillar Information System:

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}

1995/05/15 Improved Brackets And New Plates Provide Additional Support For Oil Cooler Groups {1375}

1995/05/15 New Alternator Guard Available {7168}

1995/05/15 New Duo Cone Seal Retainer Provides Increased Face Load {4052}

1995/05/15 Two Stick Cylinders Used To Provide Different Cylinder Strokes {5458}

1995/05/15 Ordering The Correct Ballstud When Making Drawbar Group Repairs {6170}

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 Use Only 1R-0749 High Efficiency Fuel Filter Assembly {1254,1261}

1995/05/08 New Oil Filter Shield And Shield Mounting Screws Used In Oil Filter Base Assemblies{1306}

1995/05/08 Improved Spacer Plate Provides Visual Indication Of Use Of "Wide Flange" Cylinder Liners{1221}

1995/05/08 New Rod Bearings Have Higher Fatigue Strength{1219}

1995/05/08 Oil Filler Group Changes{1316}

1995/05/22 Guard Now Used In Rear Service Brake Lines Group To Prevent Reservoir Cap From Loosening{4291}

1995/05/29 Causes and Prevention Of Guideblock Scuffing{3282}

1995/05/29 New Three Bolt Design For Suspension Cylinder Mount Pin/Retainer Plate{7201}

1995/05/29 New Bolts Used To Improve Refrigerant Compressor Group Mounting{1802}

1995/06/05 Requirement For FLASH Programming Capability{1900,1901}

1995/06/05 118-2990 Stiff Front Cab Mount Available For Backhoe Loaders{7301}

1995/06/05 New Method Used To Install Fabric Covers For Rear Suspension Cylinders{7201}

1995/06/05 New Intermediate Cylinder Assembly Is Used In The Hoist Cylinder Group{5102}

1995/06/05 New Replacement Screed Plate Is Available{6643}

1995/06/05 Information For Ordering Replacement Cylinder Block For Engine{1201}

1995/06/12 Special Instruction SEHS9874 Available for Challenger Tractors in Scraper Applications{0375,0376,7000,4150}

1995/06/12 Longer Ecology-Type Engine Oil Drain Plug Is Available{1302}