12kw silent type generator air cooled Deutz engine: F2L912D alterator: stamford, leory somer,our ... system totally enclosed for operator safety1. Engine: CUMMINS, DEUTZ, PERKINS,LOVOL, WEICHAI,Doosan DAEWOO, etc… 2.AlternatorEngine ... automatic controlAltitude above sea level: ≤1000 metersAmbient air temperature: ≤40 centigradeRelative air humidity: ≤ 90%Controller system1.Standard control panel ...