Main Engine 4-Stroke · Main Engines (4-Stroke)
Crews and engineers aboard large vessels rely on powerful and reliable engines to keep their ships running smoothly. Wärtsilä's 12VW46DF is a prime mover designed for demanding marine applications. This 12-cylinder, four-stroke, V-configured engine boasts a power output of 7920 kW at 600 rpm. It operates on a dual-fuel system, utilizing both liquefied natural gas (LNG) and heavy fuel oil (HFO). The 12VW46DF's robust design features a bore of 460 mm and a stroke of 580 mm, resulting in a displacement of 96.4 liters per cylinder. Known for its reliability and efficiency, the engine boasts an impressive specific fuel oil consumption (SFOC) of 170-173 g/kWh ISO. The Wärtsilä 12VW46DF has a proven track record with over 7.2 million operating hours since 2004, solidifying its reputation as a dependable power source for the marine industry.
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