Engines and generating sets
Wärtsilä’s flexible marine engines and gensets are designed to power your fleet efficiently and safely.
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Discover Wärtsilä’s continuously developing portfolio of gas, diesel and dual-fuel engines. These marine engines have been designed to power your fleet of vessels efficiently and safely.
Applications range from merchant vessels operating in environmentally sensitive areas to offshore oil and gas installations where gaseous fuel is available from the process, and everything in between.
Proven innovation and performance: Wärtsilä ship engines are designed based on the knowledge and experience accumulated over years of successful operation.
Most popular picks
Dual-fuel engines Dual fuel ship engines can run on either LNG or conventional liquid marine fuels, including LFO, HFO or liquid biofuel Wärtsilä 32 methanol engine The Wärtsilä 32 methanol engine offers a new route to maritime decarbonisation Wärtsilä gensets A wide range of generating sets, comprising generator and engine mounted on a common base frameDual fuel engines are flexible: they can run on gas or liquid fuel. The engines can switch from one fuel to the other without any interruption in power generation.
Robust engines and gensets derived from pioneering heavy fuel technology have been engineered to provide benefits for vessel owners and operators.
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Meet the Wärtsilä 25 Ammonia
Get to know the Wärtsilä 25 Ammonia engine in a virtual environment!
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Browse the offering
Dual-fuel engines Dual fuel ship engines can run on either LNG or conventional liquid marine fuels, including LFO, HFO or liquid biofuel Wärtsilä gensets A wide range of generating sets, comprising generator and engine mounted on a common base frame Diesel engines Marine diesel engines from Wärtsilä are efficient and compliant Methanol engines Engines that run on methanol can offer tailored pathways to decarbonisation 12 Nov 2023 Ammonia engines Engines running on ammonia have a big role in the decarbonisation of shipping Catalyst systems Emission after-treatment technology for Nitrogen Oxide (NOx) reduction Engines auxiliary systems Maximum compatibility when delivered together with the main ship engines and generator sets Pure gas engines A new benchmark in efficiency and overall emissions performance when used with hybrid solutionsFind your marine engine
Not sure which engine to choose? Use the handy engine configurator to find the engine with the right fit for you:
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Find the right engine for you in a few easy steps with the engine configurator
Click here and find the right ship engine
Address three challenges with our engines and gensets
- Environmental regulations. These engines and gensets comply with stringent emission standards.
- Need for flexible engines. You will find fuel-flexible engines in the portfolio. They can operate on multiple fuel types.
- Operational efficiency. Our marine engines and gensets are designed for maximum performance and uptime.
Insights on ship engines
Discover these insightful articles and case studies – they will build your knowledge of marine engines.
Decarbonisation and future fuels Lifecycle services Engine systems
Engine systems Decarbonisation and future fuels
Engine systems
Read more articleEngine references
Discover the benefits others have already gained from marine engines from Wärtsilä.
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Louis Dreyfus Armateurs
Methanol engines mean big cuts in emissions for Louis Dreyfus Armateurs‘ RoRos
Read more about methanol engines
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Van Oord
Van Oord is accelerating the energy transition with its green ship fleet. Why did they choose methanol for their new offshore wind installation vessel?
Read more why they choose methanol
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Erik Thun AB
For Erik Thun Group, the Wärtsilä 25 engine was the right way to achieve high environmental performance in the long term for four new coastal tankers.
Learn more about the Wärtsilä 25 engine
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Royal Caribbean Group
Close collaboration between Royal Caribbean Group, Wärtsilä & French yard Chantier de l’Atlantique was key to successful development and introduction of the first new Wärtsilä 46TS-DF engine.
Read more about the Wärtsilä 46TS-DF engine
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Fure Viten
With a range of integrated Wärtsilä solution onboard, Swedish tanker Fure Viten has already surpassed the IMO’s 2050 emissions targets.
Read more about energy-saving devices
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Le Commandant Charcot
Le Commandant Charcot, the world’s only luxury icebreaker, uses the Wärtsilä 31DF engines for sustainable polar exploration
Read more about Wärtsilä 31DF engine with hybrid operation
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SAL Heavy Lift
Wärtsilä hybrid propulsion system with methanol engine to power four future-proof heavy lift vessels
Discover the Wärtsilä 32 methanol engine
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Tugs Jin Gang Lun 31 & 32
The Jin Gang Lun 31 and 32 are the first two tugs in Tianjin Port powered by a set of Wärtsilä’s highly efficient W20 engines.
Read more about the Wärtsilä 20 engine
Webinars related to engines
Explore what you need to know about Wärtsilä marine engines. Register now! Or catch up on webinar recordings.
Decarbonisation and future fuels Lifecycle services
Engine systems Decarbonisation and future fuels
Engine systems Decarbonisation and future fuels
How to get started
Wärtsilä’s engines are part of a broader portfolio that includes generating sets, emission after-treatment technology, and auxiliary systems, all designed to support the maritime industry’s move towards decarbonisation.
Three steps could get you closer to achieving your goals:
- Select the right engine: Use the engine configurator to find the best fit for your vessel.
- Implement emission solutions: Integrate catalyst systems and you can reduce your vessel’s NOx emissions.
- Optimize performance: Use Wärtsilä’s advanced features and auxiliary systems for maximum compatibility and efficiency.
Reach out to Wärtsilä to discover how our marine engines and generating sets can enhance your fleet’s performance and sustainability.
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