Caterpillar Inc.

Alin R Olaru

Ashwin Ashok Hattiangadi

Jonathan Richard Chittenden

Philip C Millward

Philip Christopher Millward

A roller lifter for an internal combustion engine includes a cylindrical lifter body having a first end, a second end and a roller rotatably attached to the first end. The first end has a first diameter and the second end has a second diameter greater than the first diameter and a flat surface configured to engage a corresponding flat surface on an adjacent roller lifter and to prevent axial rotation of the roller lifter while in use. The roller lifter may further include a recess extending along a longitudinal axis from the second end toward the first end.

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Peoria, IL, United States of America

Alin R Olaru