The Hobart 500563 Champion 145 Welder/Generator is for those who occasionally need and/or desire to weld. The stick welder offers an all-in-one solution for portable power and welding, up to 4,500 watts. for a quiet operation, the Hobart welder and generator has a large muffler. This 145A welder also features a 6.35 gal. Briggs & Stratton Intek engine for longer run times, so there is no need to take breaks and re-fill the tank.