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Marine propulsion systems, marine gears, and energy saving technologies

Marine propulsion systems, solutions, and services from Wärtsilä deliver efficiency, safety, and manoeuvrability. The thrusters portfolio offers solutions for manoeuvrability and station keeping for all vessel types. Waterjet propulsion solutions are available for any ship size. You will also find a wide offering of marine gears and transmission.

These solutions are key when looking for ways to decarbonise your operations by decreasing emissions and saving fuel. There are also special energy saving technologies that have been designed just for that purpose.

Most popular

Controllable pitch propeller systems

Controllable pitch propeller systems

Wärtsilä's Controllable Pitch Propeller (CPP) systems offer great performance and manoeuvrability. Ideal for vessels with multiple operating conditions.

Wärtsilä Thruster


Ship thrusters for all vessel applications from merchant and offshore to cruise, tugs, and fishing vessels.

Air Lubrication System

Air lubrication

Air lubrication refers to creating a carpet of microbubbles on the ship’s hull to reduce its frictional resistance.

The propulsion system is a major contributor to the efficiency and performance of marine vessels.

Marine propulsion solutions in more detail

Top propulsion experts at work in Wuxi, China

The latest developments in propulsion solutions and services help ship owners and operators save fuel, decarbonise, and save money. Efficiency is everything, for the vessels as well as for the smooth running of a factory.

Watch this video to see the propulsion engineering expertise at work at the state-of-the-art factory in Wuxi.

Diesel electric propulsion

Electric marine propulsion is a flexible and future-proof choice for ships.  Flexibility safeguards you from the uncertainty about the availability and cost of sustainable fuels, for example.

You need flexibility if you are not sure about the additional power sources that will support your combustion engines, and if you do not know exactly which operational profiles will be sailed.

Find out more

Diesel electric propulsion rendering

Your quick guide to energy saving technologies

Is it possible to ensure a good CII rating while staying competitive? How to improve energy efficiency of ships? Energy saving technology is a part of the answer. Learn more:

Download the quick guide now!

How to maximise safety and manoeuvrability

Offshore applications require cast-iron safety and excellent manoeuvrability. The traditional way to improve dynamic positioning (DP) capability has been to add more powerful thrusters or increase propeller diameter. This comes at a cost because the weight and complexity of your vessel will increase.

Instead, you will want to find the optimal configuration for propulsion. Wärtsilä’s OPTI-DP Engagement Tool can calculate and quantify the propulsion options early in the design phase. This means that you can configure your engines accurately and thereby save fuel.

Optimising propulsion the smart way

Computational fluid dynamics (CFD) and Wärtsilä’s OPTI Design help optimise vessel propulsion and maximise efficiency. Explore underwater insights through 13 amazing pictures!

References from around the world

Discover these examples of Wärtsilä’s propulsion solutions in action.

  • Sleipnir banner
    The world’s largest retractable thrusters

    Performance of the propulsion solutions supplied by the technology group Wärtsilä exceeded the design specification and contributed to the success of the sea trials for the world’s largest semi-submersible crane vessel (SSCV).

    Read more
  • MV Arvika
    MV Arvika

    In the highly competitive shipping industry, every drop of fuel matters. Thanks to the good economic benefits stated by Wärtsilä and a favourable price, the owners of the 190-metre-long and 32-metre-wide vessel decided to install the Wärtsilä EnergoProFin.

    Read more about Wärtsilä EnergoProFin
  • Fast Jef
    Fast Jef

    Wärtsilä’s EnergoProFin has been installed on the fixed pitch propeller of the coaster vessel Fast Jef and reduced the fuel consumption by up to two percent

    Read more
  • Pac-alkaid-reference-banner
    Pac Alkaid

    Rising fuel prices in recent years have made propulsion efficiency even more important than before. Paccship (UK) Ltd. is a company that is continuously looking for better ways to reduce fuel costs. When they recently installed the Wärtsilä EnergoProFin propeller cap on one of their cargo vessels, they were immediately able to reduce their fuel consumption.

    Read more
  • RRS Discovery
    RRS Discovery

    The Royal Research Ship Discovery is designed to support the multidisciplinary research required for the 21st century. The ship is the fourth vessel to bear the name and continues the tradition of oceanographic research at sea.

    Read more
  • Nor Valiant
    Nor Valiant

    Delivered in 2008, the 78m ROV / Subsea Vessel Nor Valiant is a highly specialized vessel designed by Wärtsilä Ship Design for a wide range of subsea support work.

    Read more
  • Normand Installer
    Normand Installer

    Delivered in 2006, the Offshore Construction Vessel Normand Installer by Wärtsilä Ship Design is equipped with a complete Wärtsilä package.

    Read more

Insights on marine propulsion solutions

Explore these insightful articles and case studies to learn more about the many possibilities of propulsion solutions and energy saving technologies.

14 Apr 2023 · Article
6 min read
Optimising propulsion the smart way: 13 amazing pictures
Computational fluid dynamics (CFD) and Wärtsilä’s OPTI Design help optimise vessel...
10 Nov 2022 · Article
4 min read
Unsure about CII compliance? Here’s how energy saving technologies can help
45% of merchant vessels will need an upgrade to comply with CII. Find...
25 Oct 2022 · Article
4 min read
Six things about computational fluid dynamics that might surprise you
Discover how computational fluid dynamics helps design ever more efficient...

Interesting webinars

Why not attend a webinar or watch a recording? Here are just a few examples that might interest you.

Container ships at sea
5 Oct 2023 · Webinar
Real-world solutions for the Greek and Cypriot merchant fleet
This webinar will focus on real-world concepts that can help, from future fuels,...
11 Oct 2022 · Webinar
How to improve your CII rating with energy saving technologies
This webinar reveals how energy saving technologies can improve CII rating for...
Smart Propulsion_webinar
19 May 2021 · Webinar
Smart Propulsion Machinery for Bulkers & Tankers (MEA Session)
Say hello to the new future future-fuel ready technology and design for bulkers &...

Relevant press releases

Why not take advantage of the unique expertise that we can offer? Wärtsilä is one of the leading marine propulsion companies. Get in touch and let’s discuss your needs and options! 

Wärtsilä Marine. Let's connect.
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