Product Support Program For Replacing The Rear Wheel Assemblies On Certain 438 Backhoe Loaders Caterpillar

NOTE: The information supplied in this service letter may not be valid after the termination date of this program. Do not perform the work outlined in this Service Letter after the termination date without first contacting your Caterpillar product analyst.

NOTE: This Program can be administered either before or after a failure. In either case the decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS4960" as the Part Number and "7755" as the Group Number. If administered before failure, use "56" as the Warranty Claim Description Code and use " T" as the SIMS Description Code. If administered after failure, use "96" as the Warranty Claim Description Code and use " Z" as the SIMS Description Code.

Termination Date

Problem

The 9R6176 Wheel Assemblies on certain 438 Backhoe Loaders may fail.

Affected Product
Model & Identification Number

438 (3DJ1-1855)

Parts Needed

1 - 9R6176 Wheel Assembly (use as required)

Action Required

Inspect both rear wheels for cracks outside of the retaining bolt circle. If a crack is found, replace the failed wheel with a new 9R6176 Wheel Assembly.

Service Claim Allowances

Inspection Only

NOTE: This is a .5-hour job.

Inspection And Replacement Of Wheel

NOTE: This is a 2-hour job per wheel.

Parts Disposition

Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.