ZICHAI 12V170 Series marine diesel engine is a 12-cylinder diesel engine designed for marine propulsion applications. With a 170 mm cylinder bore and 200 mm piston stroke, the 12V170 series covers a rated power range of 637-1213 kW at 1000-1800 r/min. The engine features a V-type, four-stroke, direct injection, turbocharged and intercooled design, with multiple power and speed configurations available for different vessel propulsion requirements. The 12V170 marine diesel engine can be matched with suitable marine gearboxes and propulsion systems for cargo vessels, tugboats, engineering vessels and other commercial marine applications.