Power You Can Feel: This DC 12V, 1.6 kW hydraulic power unit moves 0.91 GPM with a 20-quart tank, 1620 MPa working pressure, and up to 3,200 psi, so heavy-lift gear runs with steady, confident force Double-Acting Precision: This hydraulic pump controls both raise and lower for pinpoint moves while using less hydraulic oil. The built-in relief valve auto-vents over-pressure, so failures drop and security steps up Easy to Install: This dump trailer pump arrives pre-assembled. You add hydraulic oil, connect power leads and hoses, and go