Main Engine 4-Stroke · Main Engines (4-Stroke)
The MAN 9L32/44CR engine is designed with long maintenance intervals and a service life that ensures high reliability, making it a robust choice for maritime propulsion. MAN Energy Solutions presents the 9L32/44CR as the newest technology in medium-speed marine diesel engines. By integrating advanced features such as electronic injection, high-efficiency turbochargers, and variable valve timing, the engine offers high specific power output and efficiency while maintaining low emissions and operating costs. The engine is available in configurations with 6 to 10 cylinders, with each cylinder boasting a bore of 320 mm and a stroke of 440 mm. The MAN 9L32/44CR operates at 750/720 rpm and delivers a cylinder output of 600 kW, achieving a power-to-weight ratio of 9.7 to 11 kg/kW. It complies with IMO Tier II and Tier III emission regulations when equipped with MAN's SCR system and EPA Tier 2 standards. The engine also features an advanced electronic common rail injection system, a high-efficiency turbocharging system, and MAN's in-house developed SaCoS engine control system for safety and reliability.
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