Hydraulic Power Unit Circuit Design Single or Double Acting Power Source - Power Units AC Power 1 hp HP RPM 1 800 RPM 230/460V AC 50/60 Hertz Number of Phases 3 Full Load Amps 4.0/2.0 Pump Stage 1 Max Pressure 750 psi Nominal Flow 1.9 gpm Reservoir Capacity 1.6 gal Overall Length 27 3/32 in Overall Width 9 3/32 in Overall Height 8 15/16 in