Posted 7/1/2008 00:49 (#407710 - in reply to #407613) Subject: Re: How big of generator do I need for a 180 amp welder?
Don't know if this helps but I have a Miller Bobcat 225amp gen / ac-dc stick welder. The generator is 8000 watt. For welding the generator is set for less than 100% of output, usually 60-80% depending on amperage you are wanting to run.