Chuck 1S8938 for Caterpillar Bit Cutters

This chuck is a bit cutter component for Caterpillar equipment. The part is identified by SKU 1S8938 and is supplied as a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The available product data identifies Caterpillar as the equipment manufacturer whose bit cutter assemblies use this part. Specific Caterpillar machine models or series are not provided, so fitment is defined by matching the part number and the chuck application in the equipment parts documentation.

Cross-reference numbers

• 1S8938
• 1S-8938

The numbers above represent the same part-number format with and without the separator. The available data does not provide additional equipment-manufacturer or supplier reference numbers.

Specifications

Before installation, the part number should be checked against the identification plate, parts book, or service documentation for the Caterpillar bit cutter assembly. The supplied specifications describe the overall listed dimensions and weight; no material, thread, mounting hardware, or kit contents are specified in the available product data.