Main Engine 4-Stroke · Main Engines (4-Stroke)
Medium-speed marine diesel engines are a critical component in modern maritime propulsion systems, and the MAN 7L32/44CR is a prime example of advanced technology in this category. This engine represents the latest in medium-speed marine diesel engine design, incorporating features such as electronic injection, high-efficiency turbochargers, and variable valve timing to deliver superior performance. The MAN 7L32/44CR offers high efficiency, high specific power output, and low emissions, making it an environmentally friendly choice. Additionally, it boasts low operating and life cycle costs, long maintenance intervals, and a service life that ensures reliability and durability. The engine is available in different configurations with 6 to 10 cylinders, with the 7L variant delivering a power output of 580 kW at 750/720 rpm. Its dimensions are meticulously designed for optimal performance, with a bore of 320 mm and a stroke of 440 mm, providing a swept volume of 35.4 dm³ per cylinder. The MAN 7L32/44CR is equipped with a high-efficiency constant pressure turbocharging system, advanced electronic common rail injection, and an integrated MAN SaCoS one control system for safety and automation. It also includes a resilient or rigid mounting option, a pressurized air starter, and a 2-string high and low temperature cooling system. The engine complies with IMO Tier II and Tier III emission regulations, with the option to upgrade to Tier III with the addition of MAN's SCR system.
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