Caterpillar 6W-1140 Thrust Washer

The Caterpillar 6W-1140 thrust washer (CAT 6W1140) is a genuine Caterpillar wear part defined by a 96 mm inside diameter. This thrust washer sits between rotating components in Cat equipment to provide a defined bearing surface and to transfer axial loads, helping maintain alignment and endplay in the assembly. The 6W-1140 designation identifies the exact washer size used in specific Caterpillar models and service procedures, ensuring correct fit when replacing worn parts. Manufactured to Caterpillar specifications, this washer is intended for use in applications where precise ID is required to match the corresponding shaft and bore geometry in CAT powertrains and auxiliary systems. When your service documentation calls for the 6W-1140 washer, ordering this part ensures the intended geometry and compatibility with the associated Cat components. Availability as a Cat genuine part reflects adherence to Caterpillar engineering standards designed to support reliable operation in demanding heavy equipment environments.