Double acting hydraulic hollow cylinder with electric pump station 15 quart double acting hydraulic pump dump trailer lift reservoir iron perfect replacement pump for 12vdc controlled hydraulic systems. This item is in the category Business & Industrial\Hydraulics, Pneumatics, Pumps & Plumbing\Pumps & Pump Accessories\Hydraulic Pumps. 1000 High Street, Perth Amboy, NJ 08861.