1997/09/22 Caterpillar

Retrofit Kits Available For Rear Axle Lube And Filtration{4051,3258,3260,7601}

Usage:

785 (8GB),
785B (6HK),
789 (9ZC),
789B (7EK) Off-Highway Trucks

Reference: Special Instruction SEHS9984, 785 and 785B Trucks, "Special Instructions for Installation of Rear Axle Lube and Filtration".

Special Instruction REHS0068, 789 and 789B Trucks, "Special Instructions for Installation of Rear Axle Lube and Filtration".

Description of Change: Retrofit kits are available for rear axle lube and filtration for 785 (8GB), 785B (6HK), 789 (9ZC), 789B (7EK) Off-Highway Trucks. Kits can be ordered through the parts distribution system.

Adaptable To: The 131-3922 Rear Axle Lube and Filtration Group is for the 785 (8GB) and 785B (6HK) Off-Highway Trucks. The 130-9038 Rear Axle Lube and Filtration Group is for the 789 (9ZC) and 789B (7EK) Off-Highway Trucks. The groups are adaptable to all 785 and 789 VIMS and non-VIMS software.

NOTE: The cooler attachment kit for rear axle lube and filtration on 785 and 789 Off-Highway Trucks can be ordered through Decatur Custom Products.

Caterpillar Information System:

1997/09/22 New Differential Pinion Bearing Setting Tool And Procedure Available{3258}

1997/09/22 Four Wheel Drive All-Wheel-Steer Brakes{4250,4257}

1997/09/22 Engine Oil Filter Access Changed For Improved Serviceability And Turbo Life{1306}

1997/09/22 Charcoal Air Filter Available Reduces Odors From Outside Air{7309,7320,7342}

1997/09/22 Non-Rotating Drawbar Pin Extends Service Life{7105,7119}

1997/09/15 Cold Cylinder Cutout Strategy Added To The Electronic Control Module (ECM) Software {1902}

1997/09/15 New Temperature Regulators Provide More Accurate Opening And Closing Temperatures {1330,1355}

1997/09/15 Correction To Fan Speed And Pressure Test Procedure {1356,1386,1387}

1997/09/15 New Front Axle Bevel Gear Set Improves Service Life {3258,3013,3256,3278}

1997/09/15 New Rear Axle Differential Group Bevel Gear Set Improves Service Life {3258,3013,3256,3278}

1997/09/15 Proper TH Series Transmission Clutch And Solenoid Operation {3150,3073,3155,3167}

1997/09/15 New Rear Suspension Cylinders Improve Service Life {7213,7201}

1997/09/22 Improved Braze Joint On Brake Oil Coolers Reduce Possibility Of Leaks{1365}

1997/09/22 Additional Relay Valve Used In Automatic Retarder Arrangements To Improve Automatic Retarder Control (ARC) System Reliability{4005,4133,3120}

1997/09/22 Larger Clamps Improve Hose Installation In 124-8216 Water Lines Group In 793C Off-Highway Trucks{7554}

1997/09/22 Hydraulic Control System Improvements Reduce Retarder Response Time{1019}

1997/09/22 Transmission Control Switches Serviceable{3171}

1997/09/22 Correction To Lift Arm Repair Chart{6107,6119}

1997/09/22 New Kit Extends Life Of Rolling Hoses{6460}

1997/09/22 Improved Piston Crown Assembly Used In The Rod And Piston Group{1214}

1997/09/22 New Piston Crown Improves Service Life{1214}

1997/09/29 Strap Added To Retain Torsion Spring In Steering Control Group{4343}

1997/09/29 New Flushing Valve Group Eliminates Possible Shut-Down Of All Wheel Drive System{5050}

1997/09/29 New Cylinder Groups And Tube Assemblies For Stabilizers With Flip Over Pads{5468}