**SOLD***Miller Stainless 350 PipePro with Mitsubishi engine. in Uncategorized, Used Welders For Sale – Top Supplier Nationwide Miller Stainless 350 PipePro with Mitsubishi engine. Less than 3000 hours excellent condition. Welds 20-350 amps dc. Excellent pipe welding machine. 10,000 watts continuous power. 30 day S.D. Nold, Inc warranty. $9,500 Financeas low as $276 /mo.