Main Engine 4-Stroke · Main Engines (4-Stroke)
The 9L27/38E is a marine diesel engine designed by MAN Energy Solutions. With a bore of 270 mm and a stroke of 380 mm, this nine-cylinder engine operates at an rpm of 800 (with the option for 720 rpm). Capable of generating 3240 kW, it supports operations using Heavy Fuel Oil (HFO) or Marine Diesel Oil (MDO), with methanol dual-fuel versions also available. The engine meets IMO Tier II and Tier III emission standards, including those enhanced by Selective Catalytic Reduction (SCR). Key concerns include fuel oil contamination leading to soot formation and increased viscosity, as well as issues like broken injector springs and thermal fatigue cracking of piston crowns due to high combustion temperatures. Cylinder liner wear near top dead center is another common failure, exacerbated by low oil viscosity and thin film between the piston ring and cylinder liner. Regular inspections are crucial for maintaining optimal performance and longevity.
Every value below comes from the manufacturer datasheet or class-society record on file for this model.
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