8 Quart Double Acting Hydraulic Pump Dump Trailer Power Unit Crane Car Double-Acting Power Unit Convenient Design Quick StartLifting Long Lasting Simple Installation Wide Application Max Relief Setting on B port:1500 PSI,Type: Double acting,Power Source::12VDC,Max Relief Setting For Increased Lifting Power on A port: 3200 PSI,Bottom Diameter: 16.5cm (6.5'),Pump Height: 57.2cm (22.5'),Reservoir Capacity: 8 Litre,Weight: 13.4kg,Pump Type: Hydraulic,Flow: 2.0 GPM,Top Diameter: 11.4cm (4.5')