The Air Vantage 600 SD Hydraulic Engine-Driven Welder from Lincoln Electric combines a 600 amp welder, 20,000 watt continuous AC generator, 60 cfm air compressor and 10 gpm hydraulic pump. Operators can weld up to 1/4" stick and 0.120" flux-cored wire. The Air Vantage 600 SD can also be used to power electric lights, grinders and other common tools, and deliver compressed air for air-driven tools.