Yuchai has designed and developed truck engines in cooperation with the famous European engine R&D institution and the famous American automobile enterprise. With the advantages of high horsepower, high reliability, low fuel consumption, low emission, low noise, long service life and easy maintenance, Yuchai truck engines are widely applied to light, medium and heavy-duty trucks and special vehicles.

With the domestic market share up to 58% in traditional buses over 6 meters long, Yuchai has led the bus engine industry for more than 20 consecutive years. The full range of diesel engines and gas engines has reached the China VI emission standards. With the power ranging from 90 Hp to 400 Hp, Yuchai bus engines can meet the power requirements of 5m~18m bus models.

With the power ranging from 25 kW to 2,200 kW, Yuchai marine engines meet the requirements of China I and II Emission Regulations for marine engines, and have passed the certification of the world's top ten classification societies. Featured in high durability and high reliability, Yuchai marine diesel engines are widely applied to transport vessels, engineering vessels, fishing vessels, passenger vessels, business boats and yachts.

Yuchai has a complete range of G-drive engine products covering 10 major platforms. With the power ranging from 15 kW to 4,200 kW, Yuchai G-drive engines meet the requirements of China's non-road T3 emission regulations, and have passed both EU's CE certification and the TLC certification in China's communication industry. These products are widely applied to data centers, communications, electric power, oil, breeding, China Railway, infrastructure and real estate.

The application of fully electronic fuel system and such patent technologies as advanced turbocharging and high-efficiency direct-injection combustion have endowed the full range of YC construction machinery engines with such advantages as strong power, good reliability and durability, economy and comfort. These products are applied to loaders, excavators, air compressors, drilling rigs, forklifts, road rollers and mining trucks.

Yuchai agricultural machinery engines are renowned for their excellent power performance, reliability, economy, high efficiency and wide applicability, widely applied to wheat harvesters, corn harvesters, rice harvesters, peanut harvesters, large combine harvesters, medium and large-sized tractors and other special machinery for economic crops.

The New Energy Power Business Unit of Yuchai has gradually established a perfect organizational structure and operation system including R&D, manufacturing and sales, and developed pure electric direct drive system, integrated power generation engine powertrain (YC IE-power), eCVT power-split hybrid powertrain (YC e-CVT), integrated electric drive axle powertrain (YC e-Axle) and fuel cell system (YC FCS).