HPU-20 20HP Electric Hydraulic Power Unit 20 HP 440V 50/60Hz 3 Phase electric motor driven hydrostatic hydraulic power unit with removable caster base and remote control pendant. Variable flow from 4 to 18 GPM @ 1800 PSI (15-68 LPM @ 124 BAR). Hydraulic system is self-contained with 30 gallon (114 liter) reservoir, filtration and over temp/low oil indicator. Ships without fluids. E.H. Wachs portable hydraulic power units are the ideal choice for smooth, reliable hydraulic power, in the shop or in the field. Hydraulic power units (HPUs) pack more power in less space than any other power source, and because the supply is completely sealed they’re the best choice for partial immersion, offshore and subsea use, the desert and other difficult environments.