Caterpillar 9W-2939 Pin

Caterpillar 9W-2939 Pin is an OEM Caterpillar component defined by an exact 57.25 mm outer diameter. Identified by the part number 9W-2939 and sold through Cat Parts Store, this pin is designed for Caterpillar equipment assemblies that require a 57.25 mm external diameter for accurate alignment and secure engagement. Caterpillar emphasizes that the right combination of dimensions, materials, heat treatment, surface treatments, and finish is chosen for each part to enable reliable interaction with neighboring and dependent components, contributing to consistent wear resistance and fit across Cat machines. This precise diameter helps ensure proper mating with housings and bore features specified for the related assembly, supporting dependable performance in heavy equipment applications.