OTC (4044 RamRunner Two-Stage Electric/Hydraulic Pump - 2 Position/2 Way, Manual Valve Run large single or double acting rams for fast frame straightening wheel alignment Deliver up to 45 cubic inch minimum at maximum operating pressure of 10000 PSI 2-position/2-way valve with advance and return positions and is for use with single-acting rams 1/2 hp single phase 60 Hz 115 volt thermal protected electric motor 6 foot remote control cord for on/off control