40kva Cummins Soundproof Generator 1.High combustion efficiency 2.Low noise and good vibration proof 3.Reliable 40kva Cummins Soundproof Generator FEATURES:BT-Cummins series generator,adopt B,C service engine from Dong feng Cummins Engine and N.K,M,Q series engine from Chongqing Cummins engine.Feature:High combustion efficiency,fuel efficiency.Worldwide Reliable & guaranteed service.