Original AA10VSO140DRG/31R-PKD62K08 Rexroth AA10VSO Series Piston Pump is designed for construction machinery and industrial machinery. This series main pump features high power density and high efficiency.The adoption of high load bearings and friction free material has achieved high reliability and long lifetime. The spherical valve plate and improved hydraulic balance provide stable cylinder rotation, this achieving high efficiency even in low-pressure and low speed operating range.