Main Engine 4-Stroke · Main Engines (4-Stroke)
Ship crews and engineers rely on powerful, reliable engines to keep vessels running smoothly and efficiently. Wärtsilä's 14VW31SG engine delivers precisely that, boasting a robust 4200 kW power output. This V-configured, 14-cylinder engine features a 750 rpm speed and utilizes LNG (Spark-Ignited) fuel, achieving a Mean Effective Pressure (BMEP) of 30 bar. Its two-stage turbocharging with intercooling and common rail direct injection contribute to its impressive performance, while a piston speed of 10.75 m/s ensures smooth operation. The 14VW31SG is part of the W31SG family, known for its efficiency, with a Specific Fuel Oil Consumption (SFOC) of 167.7 g/kWh at its optimal point. This engine is currently in production, building on its introduction in 2015, with over 1,000 MW installed globally and more than 1 million running hours logged.
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