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Engines & generating sets Powering your fleet

Engines & generating sets - 
the highest efficiency for marine applications

Wärtsilä is continuously developing its portfolio of gas and multi-fuel engines to suit different marine applications, be that offshore oil and gas installations where gaseous fuel is available from the process, or a merchant vessel operating in environmentally sensitive areas. The Wärtsilä engines offer high efficiency, low exhaust gas emissions and safe operation. The innovative multi-fuel technology allows the flexibility to choose between gas and liquid fuel. When necessary, the engines are capable of switching from one fuel to the other without any interruption in power generation.

The design of the Wärtsilä engine range is based on the vast amount of knowledge accumulated over years of successful operation. Robust engines derived from pioneering heavy fuel technology have been engineered to provide unquestionable benefits for the owners and operators of Wärtsilä engines and generating sets.

Our solutions 

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Customer references

  • Voyager


    The Voyager is deployed in the Irish Sea. Pelagic trawlers are huge vessels built for deep sea fishing, with facilities for keeping the catch fresh over prolonged periods at sea. The hull is designed to ensure safety, and to give good fuel efficiency and high speed.

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  • Quantus


    The Quantus is a modern trawler designed and built for efficient fishing. The vessel incorporates a number of innovative ideas, including a new hull form designed to combine optimum steaming and towing characteristics with fuel efficiency.

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  • Libas


    The Libas, delivered 2004, is a combined purse seiner and trawler designed by Wärtsilä Ship Design for the future needs of the global pelagic fleet.

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  • Molslinjen-ferry-1138-420

    Express 4

    High-speed RoPax ferry with a compact axial flow jet solution

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  • RRS Discovery

    RRS Discovery

    The Royal Research Ship Discovery is designed to support the multidisciplinary research required for the 21st century. The ship is the fourth vessel to bear the name and continues the tradition of oceanographic research at sea.

    Read more


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