For sale is a Machinery and Welder Manufacturing Corp. (WI, USA) Model MW300CP Constant Potential DC Arc Welder, Serial No.MW000106. Input: 3/60/230/460 VAC / 35/17 amps. Output: 300 amps / 35VDC at 100% duty cycle. 12 - 44VDC Control range. Welder is mounted on a wheeled sub-frame. Comes with power cable and ground clamp with cable.