Caterpillar Inc.
Splined idler for scallop resistance

Abstract:

An idler wheel for use with a track chain of a vehicle that includes a plurality of track pins and bushings comprises a main body that includes a generally cylindrical configuration defining an axis of rotation, a circumferential direction and a radial direction, the main body including a central portion disposed along the axis of rotation defining an axial extremity of the radial portion, and at least a first outside portion disposed along the axis of rotation that includes an undulating circumferential perimeter.