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Technology group Wartsila has signed a new long-term overhaul frame agreement with Swedish operator Erik Thun Group. The agreement has been developed jointly with longstanding fleet management partner MF Shipping Group and includes . The aim is to ensure the longevity and performance of the 4-stroke medium-speed engines propulsion machinery and shaft line equipment installed throughout the Erik Thun Group fleet. The agreement was booked by Wartsila in Q1 2026.
The shipping industry is shifting from transactional services to long-term lifecycle partnerships prioritising operational continuity and efficiency in response to market demands for reliability and sustainability. Enhanced digitalisation and regulatory pressures are driving companies to adopt future-ready models that ensure safety resilience and ongoing value creation.
This agreement reflects our commitment to reliable operations and continuous improvement. We continue to introduce new and increasingly sustainable generations of vessels and in this the know-how and expertise of Wartsila plays an important role comments Henrik Kallsson Deputy Managing Director Erik Thun Group.
The scope of the agreement between Wartsila and Erik Thun Group includes comprehensive technical and operational services including maintenance of 4-stroke medium-speed engines propulsion systems and shaft line equipment across Erik Thun Groups fleet. Wartsila will deliver field services to minimise vessel downtime through proactive maintenance. Workshop support will be provided to recondition and restore components to working condition and to meet OEM standards. In addition a reliable supply of spare parts will ensure consistent operational reliability.
Erik Thun Group will benefit from improved fleet performance technical services extended equipment lifecycles and assured operational continuity ensuring their vessels operate efficiently and sustainably.
By delivering broad service coverage and OEM-level support we can enhance fleet reliability minimise downtime reduce fuel consumption and simplify overhaul planning for short sea schedules. As the industry moves towards decarbonised operations Wartsila provides the lifecycle support needed to ensure compliance operational performance and future-ready viability says Stefan Wiik Vice President Parts & Field Service Wartsila Marine.
The Erik Thun Group fleet comprising of general dry cargo vessels product tankers and cement carriers operates across Northern European short sea shipping routes with around 50 vessels serving multiple segments. As a longstanding Wartsila customer Erik Thun Group has procured engines and propulsion solutions for various vessel classes.
Media contact for more information on this release:
Isabella Alder
Positioning and Strategic Communications Manager
Wartsila Marine
Tel: +44 (0) 7792 681 757
Image caption: Wartsila and Erik Thun Group have signed a long-term agreement to ensure reliable engine and propulsion performance across the fleet. (c) Erik Thun Group
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Wartsila Marine in brief
Wartsila Marine is a global pioneer in power propulsion and lifecycle solutions for the marine market. We develop industry-leading technologies advancing maritimes transition to new fuels. We support building an end-to-end digital ecosystem where all vessels and ports are connected. Ultimately Wartsila Marine is driving the shipping industry forward on its journey towards a decarbonised and sustainable future through our broad portfolio of engines propulsion systems hybrid technology exhaust treatment shaft line solutions and digital technologies as well as integrated powertrain systems. Our offering which is underpinned by our performance-based agreements upgrades lifecycle solutions decarbonisation services as well as an unrivalled global network of maritime expertise delivers the efficiency reliability safety and environmental performance needed to support a safe and sustainable future for our customers our communities and our planet.
Wartsila in brief
Wartsila 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 environmental and economic performance. Our dedicated and passionate team of 17900 professionals in 199 locations in 78 countries shape the decarbonisation transformation of our industries across the globe. In 2025 Wartsilas net sales totalled EUR 6.9 billion. Wartsila is listed on Nasdaq Helsinki.
