NorTrac 12 Volt DC Hydraulic Power Unit - Double-Acting Cylinder, Model# YBZ5-F2.1A1A61/WUATT2 Large 0.75 gallon reservoir capacity Load-holding check valves on both A &amp; B ports Heavy-duty 12 Volt, 2 HP motor delivers 3,000 max. RPM 1.5 GPM flow rate 2.4cc displacement