... of top diesel engine and generator. With low noise,high quality,attractive price soundproof diesel power generator setdetailed product description: 1) Rated output ... / 120, etc3) Rated frequency: 50 / 60Hz4) Power factor: 0.8Engine: CUMMINS, PERKINS, DEUTZ, VOLVO, CATERPILLAR, ChINA ENGINE,etc1)Cooling method: closed ...