It runs smoothly with solid and flux cored wires. It offers easy arc start regardless of operator technique. It ensures easy arc start regardless of operator technique. Welder has four preset DIG settings to make the arc softer or stiffer. Welder offers superior arc performance and multi process versatility. Welder features 4 tools in one with professional welding performance in all processes with the best welding arc in its class, 13,000 watt generator, 31 cfm rotary screw air compressor and 12 - 24 V battery charger/jump starter. Miller® Trailblazer® 302 Air Pak™ Engine Drive Welder Machine includes two cylinder 30 HP Kohler® gasoline engine, battery charger/jump starter, air compressor, electric fuel pump and GFCI receptacle and cooler/separator.