Lincoln® Power Source Lincoln Undercarriage for R3R-400, R3R-500, CV-400, DC-400 No.K841 Lincoln Undercarriage for R3R-400, R3R-500, CV-400, DC-400 No.K841
Platform undercarriage with mountings for two gas cylinders at rear of welder. http://www.buyweld.comk841.html $348.98