OTC Tools OTC 4057 RamRunner Two Stage Hydraulic / Electric Pump. OTC Tools. RamRunner two-stage hydraulic pump with 3-position/4-way valve for double-acting rams, and a 6 ft. remote control cord. Supplied with one gallon and two quarts of oil. Specifications: 10000 PSI maximum pressure output. 3450 RPMs. Voltage: 1-1/2 h.p., 115 volt 60 Hz, Sgl. Phase. 315 cu. in. usable reservoir. Email for product availability.