A: It features an enlarged piston barrel diameter and thicker swashplate bearings to handle higher pressure loads.
A: Mechanics must fill the motor housing with clean hydraulic oil through the top case drain port before cranking the engine.
A: Yes, they share identical hydraulic fitting locations, spline counts, and pilot diameters for direct drop-in replacement.
A: It prevents cavitation and hydraulic shock waves that can crack internal component surfaces when the control levers are released.






















