Excavator Pump Parts REPLACEMENT REXROTH A10V71 BALL GUIDE R902443449 Excavator Parts This is the mounting base for the swash plate. The swash plate mounts to the support, which swings on the pivot shaft to adjust the swash plate’s tilt angle. Complete assembly lineup: Drive Shaft → Cylinder Block → Ball‑Guide → Set‑Plate → Piston Shoe → Swash Plate → Support Ⅱ. Core Functions Load-bearing & mounting: Holds the swash plate and carries heavy thrust loads transferred from