Wärtsilä Steerable Thrusters WST English Wärtsilä portals Home Energy Marine Company Insights Home Marine Products and solutions Propulsors and gears Thrusters Wärtsilä Steerable Thrusters Wärtsilä Steerable Thrusters Ideal solution for offshore vessels and tugs. Contact us Wärtsilä steerable thrusters for competitive operating environments Wärtsilä Steerable Thruster (WST) is ideal for offshore vessels, tugs, double ended ferries and river-going vessels, for example.  WSTs are extremely efficient and deliver high hydrodynamic performance. Because they have been designed for better access, they are easier to maintain and service. Steerable thruster family from Wärtsilä Make your choice from a complete family of steerable thrusters ranging from 700 kW to 4900 kW, and your vessels can exceed the performance levels required in today's competitive operating environment. The latest addition to the steerable thruster family is the WST-18E, launched in April 2024 .   Find the family of WST steerable thrusters in the graph, which also shows the power range for each type: Why steerable thrusters from Wärtsilä? You can put your trust on the industry’s widest range of steerable thrusters. The portfolio, technology, and the hydrodynamic expertise make it possible to design and deliver optimal thruster solutions that will fit your exact needs. You will have excellent choices: A wide power range of thrusters A variety of configuration options for propeller, nozzle, drive layout, auxiliaries, and more Electric drive inputs or mechanical drive inputs, including high speed engines up to 1800 rpm. Wärtsilä thrusters are robust and reliable. They deliver superior hydrodynamic performance for maximum propulsion efficiency, dynamic positioning capability or high bollard pull. 3D models and drawings Your tailored thruster solution will have: Compact dimensions with a high level of integration Reliable propeller shaft and steering seals with monitoring Design that is very maintenance friendly – this will minimise downtime Field bus technology and reduced number of external connections for easier installation Wärtsilä ProTouch controls with ergonomic levers and an intuitive touch screen display or push button panels for indoor or outdoor use. WST for electric drive WST for mechanical drive Hand-picked press releases 25 Mar 2025 · Trade press release Wärtsilä 25 engine with NextDF feature to minimise methane emissions for new Ibaizabal LNG Bunkering vessel 16 Apr 2024 · Trade press release Wärtsilä raises level of offshore dynamic positioning with new high-performance thruster and propulsion control package Customer cases Discover the benefits others have already gained from efficient, high-performing thrusters. Ibaizabal Discover how Ibaizabal’s new LNG bunkering vessel sets new standards in methane slip reduction using the Wärtsilä 25 marine engine with NextDF technology Learn more 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 Insights on thrusters and propulsion Discover these insightful articles – an easy way for you to build your knowledge of thrusters and other propulsion solutions. 30 Nov 2023 · Article 6 min read Retractable thrusters: five features that matter when station keeping in offshore operations Station keeping is essential for offshore vessels –... Decarbonisation and future fuels Propulsion Decarbonisation and future fuels Propulsion 9 May 2023 · Article 4 min read How the right bow thruster can increase efficiency and save you money Choosing the cheapest bow thruster may be a costly mistake. Learn the three... Propulsion Decarbonisation and future fuels Propulsion Decarbonisation and future fuels 15 Mar 2021 · Article 3 min read Trusted thruster performance – 50 years of maneuverability and station keeping When it comes to thrusters it’s all about maneuvering and station... Propulsion Propulsion Contact us today to learn more about how the steerable thrusters from Wärtsilä could revolutionise your vessel's performance and ensure your maritime business success. Wärtsilä Marine. Let's connect. Contact us Energy Marine Insights About Careers Media Investors Sustainability Contact About Wärtsilä Wärtsilä is a global leader in innovative technologies and lifecycle solutions for the marine and energy industries. We emphasise innovation in sustainable technology and services to help our customers continuously improve their environmental and economic performance. © 2026 Wärtsilä Privacy notice Cookie notice Terms of Use Subscribe