... Resistant Construction Heavy Duty Industrial Diesel Engine Cummins Diesel Power Home Used GeneratorsWith the feature of superior performance, ... 1441AEngineBrandCummins, Deutz, Lovol, YangDong, WeiFang, HuaSheng etc.Engine CharacterWater cooled,in line,4 stroke,direct injection, ... ClassIP22Efficiency92.80%Voltage Regulation±1.0%with 4% engine governingWaveform DistorationNo load<1.5% and non-disttorting ...