For mobile and onsite welding operations the solution is a engine driven ARC welder generator. Typically built around a petrol engine power plant they are portable in so much there are normally mounted on a wheeled carriage allowing for easy movement around the work-site or transportation in a van or trailer. Available in DC Direct Current or AC Alternating Current. The eight modes here are built around the 13hp Honda & kohler petrol engines. The generators on the AC welder generators will have a significantly higher KVA output than the DC machine.