Main Engine 4-Stroke · Main Engines (4-Stroke)
Maintaining optimal performance and reliability are key considerations for any maritime operation. Wärtsilä's 7LW20 engine, part of the W20 family, is designed with these factors in mind. This 7-cylinder, 4-stroke engine boasts a power output of 805 kW at 1200 rpm, fueled by HFO/MDO. The 7LW20's robust construction features a bore of 200 mm and a stroke of 280 mm, resulting in a displacement of 8.8 liters per cylinder. This engine configuration delivers a power output of 185-220 kW per cylinder, depending on the specific variant and operating speed. Known for its efficiency, the 7LW20 achieves a specific fuel oil consumption (SFOC) of 186-187 g/kWh under ISO conditions. Wärtsilä offers a comprehensive range of services and upgrades for the 7LW20, including a balancing shaft monitoring system and fuel injection equipment upgrades, ensuring long-term performance and minimizing potential common failures.
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