Check the listing for details. Klutch 7kW Multi-Process Engine-Driven Inverter DC Arc Welder/AC Generator with. Condition: New. Listed at 2399.99 USD. The Klutch Inverter Welder/Generator with Spool Gun features advanced inverter technology to provide smooth DC weld arc performance. This design includes MIG/flux-core/TIG/stick functions. Synergic MIG functions make machine setup easier. Infinite wire-feed speed and voltage adjustment contributes to smooth DC welding performance. Inductance adjustment is designed for hard-soft weld arc performance. The digital display allows easy reading. The spool gun connects for MIG/flux-core welding. The 78V no-loading voltage design is available for cellulose electrodes. This unit includes auxiliary power supply, rated output power of 6kW and max. output power 7kW. The start is electric/manual. The 5-gallon fuel tank allows for up to 5 hours of run time. 120/240V auxiliary.