A variable wobbler of a hydraulic unit includes a body having a first end and an opposite second end, the first end including an annular wall and an inner surface configured to contact a piston of the hydraulic unit. The body further includes an outer wall, an inner wall defining an inner diameter, and a conical inner wall extending from the inner wall. The variable wobbler further includes a first trunnion extending outwardly from the body and a second trunnion extending outwardly from the body.