Main Engine 4-Stroke · Main Engines (4-Stroke)
Marine propulsion systems are a critical component for modern maritime vessels, and the MAN 9L48/60CR is a standout example from MAN Energy Solutions. This engine is designed to offer a blend of superior performance, operational flexibility, and reliability. With its high power output and low fuel consumption and exhaust emissions, it meets the stringent requirements of today's maritime industry and looks forward to future standards. The MAN 9L48/60CR features a four-stroke cycle and is available with 6, 7, 8, or 9 cylinders, each with a bore of 480 mm and a stroke of 600 mm. The swept volume per cylinder is 108.6 dm³, and it operates efficiently at 514/500 rpm, delivering a maximum continuous rating (MCR) of 1,200 kW. The engine’s power-to-weight ratio ranges from 13.7 to 14.7 kg/kW, making it highly efficient. Key features include a high-efficiency constant pressure turbocharging system, advanced electronic common rail injection, and a MAN in-house developed safety and control system. The engine also complies with IMO Tier II and Tier III emission regulations when equipped with the MAN SCR system. Additionally, the MAN 9L48/60CR offers long maintenance intervals, high reliability, and low operating and life cycle costs, ensuring a robust and economical solution for marine propulsion needs.
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