Main Engine 4-Stroke · Main Engines (4-Stroke)
The Wärtsilä 5LW38 marine diesel engine is designed with reliability in mind, addressing potential common failures through proactive maintenance practices. This robust engine, part of the W38 family, boasts a power output of 2500 kW at a speed of 600 rpm. Its robust construction features a 4-stroke cycle, 5 cylinders, and a bore and stroke of 380mm and 475mm respectively. Fueled by HFO/MDO, the 5LW38 is classified as a medium-speed engine. While the 5LW38 is no longer in Wärtsilä's current product line, it remains supported through service and upgrade packages. Potential areas requiring attention include cold corrosion of cylinder liners, cylinder liner wear and piston ring degradation, turbocharger overhauls, exhaust valve seat recession, and shaft seal and main bearing wear. The engine's specifications, including its Mean Effective Pressure (MEP) of 2.7 MPa and power per cylinder range of 660–725 kW, contribute to its performance and efficiency.
Every value below comes from the manufacturer datasheet or class-society record on file for this model.
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