... OEM service offered Warranty:1000hurs/1year Cummine engine 4B series powered Generator Generator of Cummins engineWater cooled, 0.8 laggingPower:20KW ... cooledCombustion type: direct injection. Alternator Option:Marathon, ENGGA, Stamford, Marathonbrushless, self-excitation Standard Accessories: Standard control panel, damper, exhaust silencer, flexible ...