Main Engine 4-Stroke · Main Engines (4-Stroke)
The 9LW20 engine is a robust, four-stroke marine diesel design with a bore of 200 mm and a stroke of 280 mm. Capable of operating on heavy fuel oil (HFO) or marine diesel oil (MDO), it delivers a maximum power output of 1035 kW at 1200 RPM. Designed for reliability, the engine features turbocompression with turbocharger-driven air cooling and direct injection, ensuring efficient performance across various operational conditions. Wärtsilä has developed monitoring systems to address potential issues, such as the temperature surveillance of balancing shaft bearings to prevent overheating and subsequent damage. Regular inspections and maintenance are crucial to ensure optimal operation and longevity.
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