ZICHAI LB6250 Series marine diesel engine is a 6-cylinder medium-speed diesel engine designed for marine main propulsion applications. With a 250 mm cylinder bore and 320 mm piston stroke, the LB6250 series covers a rated power range of 500-1324 kW at 600-825 r/min. The engine features an in-line, four-stroke, direct injection, turbocharged and intercooled design, with multiple power and speed configurations available for different vessel propulsion requirements. The LB6250 marine diesel engine can be matched with suitable marine gearboxes and propulsion systems for cargo vessels, tugboats, engineering vessels and other commercial marine applications.