Guangzhou Diesel Engine Factory manufactures mainly series 320 and 230 diesel engines. Every capability index of 230 series has reached international advanced level at the beginning of 1990's. It operates on heavy oil of viscosity 380cst/50oC or 3500mm2/S(100oF). And diesel engine of 320 series operates on heavy oil of viscosity 180cst/50oC or 1500mm2/S(100oF). They can be used as marine main engine for oceangoing vessels as well as marine auxiliary engine.Please contact with us.