I have a SA 200 red face. runs and welds. It does not idle down or rev up when when you weld. I has the vacuum idler. It needs a little tlc in that regards. I was going to switch it over to an electronic idler but never got around to it as a have a SA 250D that I use on the regular.Asking 3,500.00https://imgur.com/a/AwjgJAOLast edited by obeamfitter; 11 Hours Ago at 04:50 PM.Reason: added link