Meet the Wärtsilä 25 Ammonia

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Meet the world’s first 4-stroke ammonia solution for marine

Wärtsilä 25 Ammonia is the first 4-stroke engine –based solution for ammonia fuel that is commercially available for the marine sector. This engine offers a significant advantage for sustainable shipping operations now that ship owners are seeking viable, green fuel options.  

The Wärtsilä 25 Ammonia is the result of the development on efficient dual fuel engine technology. The development goal has been to meet both technical and operational requirements for ammonia-fuelled vessels, and safety considerations have been a key priority in all engine design.

What you will learn in the lounge

  • How significant and immediate the reduction of emissions can be when running on sustainable ammonia
  • What the key considerations are when designing an ammonia-fuelled vessel
  • How easy it can be to implement an ammonia solution for your newbuild
  • What the transition from LNG to ammonia can mean in practice.

The Wärtsilä Lounge is a virtual space where you can experience the engine and example applications in real size.

Access the Wärtsilä lounge