... Somer;etc. 20kw to 1000kw Commins big diesel generator set Features:1.Engine Model: Commins; Perkins; Deutz; ... ; Wuxi; etc Engine TypeWater-cooled,4-stroke,6-CylinderRated Speed1500rpm/1800rpmCooling methodClosed circle water-cooledStarting systemElectricCont ... products:diesel generator,gasoline generator,mobile light tower,water pump,farm machinery. 20kw to 1000kw Commins big diesel generator set