I just saw a 25' mig gun forsale on ebay are these hard on your drive motor and do they work well on a 251 Actually do they even fit on a 251? Can we advertize a welder we want to sell on here? I have a new bobcat 250 I would like to sell with a New 12V I want a trailblazer 302 with the tig set up to do restarunt stainless so I need to up grade?? Anybody have any Ideas?