Weichai Power Co., Ltd. engages in the automobile and equipment manufacturing industry in China and internationally. The company operates through Engines, Automobiles and Auto Parts, Agricultural Equipment, and Intelligent Logistics segments. It is involved in the manufacture and sale of engine and related parts, such as truck, bus, construction machinery, industrial, and power kit engine products; commercial vehicle and auto parts products; transmission, PTO, and auto transmission gearbox products; truck, bus, and construction machinery axle; and after market products, including parts, oil, and remanufacture.