The WK3VL series swash-plate type axial piston pump is a heavy duty variable displacement hydraulic pump newly developed for mobile and industrial applications.Reduced Pressure Pulsation and Low Noise.The unique mechanism obtained through our long research has drastically reduced pressure pulsation.Optional Through Drive.Optional through drive allows an auxiliary pump and WK3VL pump to be direct mounted proving a compact,low-cost solution.Avallable with American(SAE) and International (ISO)mounting and shaft.