Diesel engines

Reliability, efficiency, and low operating costs

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Cutting-edge marine diesel engines

Marine diesel engines from Wärtsilä are reliable and deliver optimal power output with better fuel economy. Get the latest technologies and innovations that help you reduce emissions. Diesel engines are efficient, safe, and easy to maintain.

Customer references

  • Sten Idun
    Sten Idun

    Sten Idun is a 16400 dwt Chemical Tanker with a Wärtsilä equipment package of engines, gear and propulsors. Sten Idun vas commissioned 2003 and features a PTI booster and takes me home mode.

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  • Hirta
    Hirta

    The MPV Hirta, launched in 2008, has a diesel electric propulsion system comprising three Wärtsilä 9L20 engines driving a reduction gear and a controllable pitch propeller.

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  • Samar-slide
    Samar

    83m luxury yacht

    Read more about Samar
  • Stadt Valiant

    The Valiant is a 90 BP escort tug powered by two Wärtsilä 8L26 engines, and is well suited for missions such as offshore terminal assistance and coastal towing.

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  • Molslinjen-ferry-1138-420
    Express 4

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

    Read more

Articles

Orders stream in for Wärtsilä 31
28 Mar 2018 · Article
3 min read
Orders stream in for Wärtsilä 31
The demand for what the Guinness Book of World Records calls ‘the world’s most efficient 4-stroke engine’, the...
Wärtsilä 20 - Small changes, big results
12 Jun 2018 · Article
4 min read
Wärtsilä 20 – Small changes, big results
We revisit a classic, making it better and more efficient than ever before. The upgraded Wärtsilä 20 engine...
wartsila-14-lighter-smarter-and-greener_resized
29 Nov 2018 · Article
6 min read
Wärtsilä 14: lighter, smarter and greener
The new engine in Wärtsilä’s smart marine solutions range is compact, cost-efficient and more sustainable....
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