Dongfeng Cummins Engine Co., Ltd. kamfani ne na 50:50 na haɗin gwiwa wanda Dongfeng Engine Co., Ltd. da Cummins (China) Investment Co., Ltd suka kafa. Ya fi samar da Cummins 120-600 na motocin dawakai da 80-680 na ƙarfin dawakai. injinan da ba na titi ba.Ita ce babbar cibiyar samar da injuna a kasar Sin, kuma ana amfani da kayayyakinta sosai a manyan motoci, bas-bas, injinan gine-gine, injinan janareta da sauran fannoni kamar na'urar famfo da suka hada da famfon ruwa da famfon wuta.