Metaris hydraulic piston pump. Open loop design. 4000 PSI operating pressure. 52 GPM maximum flow rate. 6.10 cubic inch displacement. Pressure and flow compensated. Clockwise rotation. NBR seals. Metric keyed shaft, DIN 6885 40mm. ISO 2 bolt flange. Side port flange ports. Part number MA10VSO 100 DFR/31R-PPA12N00. Metris is made in North America.