12kw silent type generator air cooled Deutz engine: F2L912D alterator: stamford, leory somer,our brushless alternator. Soundproof ... ) Exhaust silencing system totally enclosed for operator safety1. Engine: CUMMINS, DEUTZ, PERKINS,LOVOL, WEICHAI,Doosan DAEWOO, etc… 2.AlternatorEngine can be ... , automatic parallel operation,etc…Packing: Wooden case or plywood case air cooled DEUTZ generator