Ship engines and generating sets

Discover the continuously developing portfolio of gas, diesel, and dual-fuel engines from Wärtsilä. These marine engines suit a variety of applications, 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.

Most popular

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 frame

Wärtsilä marine engines are efficient and safe. Dual fuel engines are innovative and flexible because they can run on gas or liquid fuel. The engines can even switch from one fuel to the other without any interruption in power generation.

The design of the Wärtsilä ship engines is based on the knowledge and experience accumulated over years of successful operation. Robust engines derived from pioneering heavy fuel technology have been engineered to provide benefits for vessel owners and operators.

The power to target net-zero

Experience the next-generation Wärtsilä 25 medium-speed engine in its virtual lounge.

Your opportunity to get a virtual tour of this future-proof engine!

Show me the Wärtsilä 25 lounge

Find your marine engine

Use the handy engine configurator to find the engine with the right fit for you:

Find the right engine for you in a few easy steps with the online engine configurator

Click here and find the right ship engine

Choose your category

Browse the offering:

Diesel engines

Marine diesel engines from Wärtsilä are efficient and compliant

Future Fuel Engines

Engines that run on alternative fuels can offer tailored pathways to decarbonisation

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 solutions

Engine references

Discover the benefits others have already gained from marine engines from Wärtsilä.

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
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
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
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
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
SAL Heavy Lift

Wärtsilä hybrid propulsion system with methanol engine to power four future-proof heavy lift vessels
Discover the Wärtsilä 32 methanol engine
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