Main Engine 4-Stroke · Main Engines (4-Stroke)
This is a powerful marine diesel engine. It is the Wärtsilä 20VW32 Ammonia, a dual-fuel engine designed to operate on both ammonia and marine diesel oil (MDO). This engine produces 6200 kilowatts of power and has a 750 revolutions per minute operating speed. The 20VW32 Ammonia engine features a V-configuration with 20 cylinders, a 320 millimeter bore, and a 400 millimeter stroke. It utilizes a four-stroke cycle with turbocharging and charge air cooling, and employs direct fuel injection. The engine's family is known as the W32 Ammonia, and it is available in various configurations, including 4L20, 5L20, 6L20, 8L20, and 9L20. The W32 Ammonia family has been in production since the 1990s, with over 7500 engines produced in total.
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