Customer called me looking to sell. 4 Cyl Perkins, 115 & 230 VAC outlets, hours=4850. Code #10601 SN:u1001011927  Here is the manual on the machine. http://content.lincolnelectric.com//pdfs/products/navigator/im/IM640.pdf as soon as our shop checks the machine out the customer will have it for sale. asking $7000  customer is Charles Allen 405-932-5586 in Prague Oklahoma. The machine is at our shop in the Oklahoma City Stockyards area.