The SD138 series marine engine is designed for marine applications with requirements for low emission, noise, and high power output. The entire engine is compact and lightweight without sacrificing power. This series has as power range of 110kW-290kW and a speed range of 1500-2500r/min.

The SD series marine engine applies to the main engine propulsion power of various high speed patrol boats, yachts, traffic boats, work boats, fishing boats, cargo boats and tugboats. It can also meet the power demands of marine generator sets and marine auxiliary power systems.

The SG series marine engine is a fourth-generation product which features a modular design on the basis of 3128 Xinlong marine engine designed by SMAN together with AVL. Most parts are shared with the previous generation product. The stroke of the high power 15SG engine is extended to 165mm, providing high reliability, high torque and good efficiency.

This series marine diesel engine has earned good reputation among users due to its high reliability, high torque at low speed, long maintenance interval and low use cost, etc. And it is praised as the perfect combination of power and efficiency. It is widely applicable to various inland transport ships, fishing boats, towboats, working ships and other boats, as well as marine generator sets of 120-300KW.

The SH series marine engine was jointly designed and developed by SMAN and UK Ricardo combining Chinese market demands and internationally proven technologies of advanced Ricardo engines. It is a world first-class power platform manufactured by adopting the GPDP development process and SAIC MOTOR manufacturing standards.

This series marine engine features a compact structure, strong power, low vibration noise, etc., whose technical indexes are all in the leading position in China. It is applied to small inland transportation boat, coastal fishing boat, high speed boat, passenger ship and other ships, as well as 50-150KW marine generator sets.

The SK series engine is designed for meeting the high power demands of heavy duty marine power systems. It is a new generation of marine diesel engine which is researched and developed on the basis of military products, and by introducing and absorbing internationally advanced technology. Its various technical indexes all have reached advanced levels.

This series engine is characterized by outstanding fuel economy, high torque reserve, compact structure, high reliability, good emission, etc. It is widely used in inland and coastal shipping, fishing boats, working ships, passenger ships and other ships, as well as 400-600KW marine generator sets.