Chongqing Cummins is the only large horsepower engine research and development and manufacturing base of Cummins in China. They specialize in producing diesel and natural gas engines with power outputs ranging from 185 to 3,650 horsepower. The company offers a wide range of products and diverse power solutions, including the M11/QSM11, X12/13, Z13, NT855/QSN, M15, K19/QSK19, K38/QSK38, and K50/QSK50 series. These engines are suitable for heavy trucks, construction machinery, mining equipment, oilfield machinery, railway machinery, port machinery, stationary and mobile diesel generator sets, marine propulsion and auxiliary power units, pump drive units, and other power generation applications.