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