Medium-speed engines

Marine Solutions - Shorter route to bigger profits

Choose a product category:

Choose a product group:

Choose a product:

Wärtsilä 20

The Wärtsilä 20 is a four-stroke diesel engine that can be run on either marine diesel oil (MDO) or heavy fuel oil (HFO).

Wärtsilä 20DF

The Wärtsilä 20DF engine is a testimony to Wärtsilä’s ability to successfully utilize gas as a main fuel for marine operations.
Wärtsilä 26

The Wärtsilä 26 represents the latest technical advances, combining fuel economy and low emission levels with high fuel flexibility.

Wärtsilä 32

The Wärtsilä 32 is based on the latest achievements in combustion technology. It is designed for reliability and long maintenance-free operation.
Wärtsilä 34DF

The Wärtsilä 34DF engine features excellent fuel flexibility, and can be run on natural gas, light fuel oil (LFO), or heavy fuel oil (HFO).

Wärtsilä 38

The intelligent design makes the Wärtsilä 38 the lightest and most compact heavy duty engine on the market.
Wärtsilä 46

Thanks to its excellent combustion performance and reliability, the Wärtsilä 46 has become the most popular engine for power generation onboard new cruise vessels.

Wärtsilä 46F

The new Wärtsilä 46F engine offers outstanding power-to-weight and power-to-space ratios in its power range.
Wärtsilä 50DF

The Wärtsilä 50DF applies the same sophisticated dual-fuel technology as in the reliable and well proven Wärtsilä 46 HFO engine.

Wärtsilä 64

The Wärtsilä 64 is the world’s most powerful medium-speed engine.