... .Single Cylinders,three phase. 3.Lowest prices! GF1 water-cooled diesel generator set:3kw-20kw1.Gensetcontinous output: 3kw-20kw,rated voltage ... (g/kw.h)270250250250250250250TYPEHORIZONTAL,SINGLE-CYLINDER,FOUR-STROKE,WATER-COOLEDCOOLING TYPECLOSED CIRCULATING COOLING(CONDENSOR)RATED SPEED1500/1800ALTER- ... pattern design service,12 months warranty service. GF1 water-cooled diesel generator set:3kw-20kw