W series engine is a brand new and carefully designed product to meet the high power demand of generator set supporting market. This series of engine has the characteristics of compact structure, high reliability, good economy, low noise, beautiful appearance, etc. It is the preferred supporting power for common and standby generator sets built according to SAIC MOTOR manufacturing standards. Product Features: 1. The four valve and fuel system of each cylinder can be equipped with an electronic speed regulating mechanical pump and an electronic unit pump, which can effectively improve combustion and emissions, and work smoothly and economically. 2. Gantry type machine body, with reasonable distribution of reinforcing ribs, has good rigidity, compact structure, low vibration and low noise. 3. The split camshaft design ensures accurate control of valve and fuel injection timing. The optimized cam profile can reduce impact, improve reliability and durability. 4. The electric pre oil supply pump is configured to realize automatic pre oil supply when starting.