ZAX120 Swing‑Motor Hydraulic Parts OVERVIEW

Features and Benefits

• Strictly machined according to original factory dimensions, ensuring excellent interchangeability with original swing‑motor parts.

• High‑strength alloy‑steel and copper‑alloy friction pairs deliver outstanding wear‑resistance under long‑time high‑pressure heavy‑load operation.

• Professional heat‑treatment and ultra‑precision grinding technology effectively lowers internal leakage and keeps high volumetric efficiency.

• Flexible supply: single spare‑part, separate repair‑kit and complete rotary‑group assembly are all available.

• Stable and reliable performance adapts to tough construction‑site and mining‑site working‑conditions.

• Cost‑effective aftermarket solution greatly cuts down maintenance‑expense and shortens equipment downtime.

Applications

• Swing‑motor overhaul & hydraulic repair for Hitachi ZAX120, ZX110‑3, ZX130‑3 and ZX135US‑3 medium excavators.

• Maintenance and component replacement for matched HMS072 series slewing hydraulic motors.

• Widely applicable to excavator repair workshops, machinery‑rental fleets and construction‑site equipment maintenance.

• Ideal replacement for damaged core internal hydraulic components of swing motors.