... and advantage JOHNPOWER ,As a professional agents of Chinese Dongfeng and Chongqin Cummins export,was established in 2003.Our main ... Euro 3.Euro 4,Tier 3/Stage 3A emission legislations,Engine displacement will cover 3.9L/4.5L/5.9L/ ... equipments,generator sets,marine and agricultural machinery. More about Dongfeng Cummins marine engine: Engine modelFRAdvertised power(kw)Advertised speed(r/min)Max power ...