High quality Cummins series diesel generator set 1.Engine:Cummins 2.Alternator:Stamford 3.Controler:deep sea 4.Warranty:1 y High quality Cummins series diesel generator ... fuel consumption3.Compact in structure ,low in noise pollution and high in efficiency .4.Stable voltage and frequency .5.Brushless ... 1800rpm-110-480V,3 phase,4wire,pf.0.8 The Engine:-Engine:Cummins -50HZ or 60HZ-2,3,4,6,12 cylinders ...