Premium Hydraulic Piston Motor Rotating Group for 330D 336D 390F Excavators
High-precision machined cylinder barrel and valve plate ensure smooth hydraulic flow and minimal energy loss. Durable alloy steel construction with advanced heat treatment resists wear and extends service life under heavy loads. Precision-ground pistons and seals deliver consistent performance in demanding excavation and construction environments. Direct replacement for OEM parts, guaranteeing seamless integration with Cat 330D, 336D, and 390F excavators. Ideal for mining, road construction, and large-scale earthmoving projects requiring reliable hydraulic power. Globally sourced materials and strict quality control ensure unmatched durability at the lowest wholesale price. Bulk orders available—optimize your fleet maintenance with cost-effective, high-performance components.