Lincoln 500 AMP Welders (2) for sale together. Vantage 500 amp commercial welding machines. One running and one needing a stater to run. The first one running serial number A1030700061 has 4220 hours. It starts and runs very well and is ready to power up to 4 welders at one time. The second welder “not running” serial number U1040710913 has 3515 hours. Both Lincoln Vantage welding machines are the same model #K2272-1. Roller racks are included with both welders.