Main Engine 4-Stroke · Main Engines (4-Stroke)
This engine is commonly found in large commercial vessels such as container ships and oil tankers, where it operates efficiently on heavy fuel oils (HFO) or marine diesel oil (MDO) at a steady 720 RPM to provide the necessary power output. The 9L32/44CR STC is part of the MAN Energy Solutions 32/44CR STC family, delivering 4500 kW of power. It features a bore and stroke of 320 mm and 440 mm respectively, with a mean effective pressure (MEP) of 27.1 bar. The engine adheres to IMO Tier II emissions standards and can be upgraded to Tier III with Selective Catalytic Reduction (SCR) technology. Regular maintenance is crucial, particularly focusing on turbocharger cleaning, cylinder head gasket checks, and common rail system inspections to prevent common issues such as fouling, oil leaks, and injector wear.
Every value below comes from the manufacturer datasheet or class-society record on file for this model.
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