for sale,  want 15 but can negotiate with suitcase.  its mounted on trailer, i put oversized radiator on it and it welds smooth.  no leads come with it.  im in western n.c.  phone no. 8282841147.  also have miller big 40. made in 1971.  welds good but needs some work on vacumn to make it idle up and down.  both machines ill take a suitcase extreme with .072 liner and 4-500 amp gun.  or 2k takes them both