Deutz 226B series engine is a modified model, which is developed, according to relevant international standards and ship regulations, through making improvement on the combustion system, intake and exhaust system, cooling system, PTO system and engine monitoring system on the basis of assimilating foreign advanced technology and retaining the internal structure and main components of the original Deutz engine. This model are wide power and speed range, small size and weight, impact structure. Reliable operation, advanced economic and technical targets as well as convenient installation. It is mainly used as the main engine or the auxiliary engine of the ship.