1.use bio-gas from farm, gas form coal mine bed, land fill, oil well, coking plant 2.save fuel,high efficency,reliable,durable Configuration & Price List on Biogas Generating Set Powered by CUMMINS Engine (50Hz, 1,500 RPM, Marathon Alternator)Item Generating ModelMC33BG-CHPSpec.standby powerKW33rated power KW30frequencyHz50rated voltageV220/400rated ampereA54power factorCOSΦ0.8phase — Three ...