This hydraulic pump is a double-acting power unit for both lifting and lowering. Double Acting & 12V DC Motor. The flow rate is 2GPM. Rated speed: 2850 r/min. 4 Quart Hydraulic Pump 6 Quart Hydraulic Pump 8 Quart Hydraulic Pump 10 Quart Hydraulic Pump 12 Quart Hydraulic Pump 20 Quart Hydraulic Pump.