Technology group Wärtsilä will supply the engine and propulsion equipment for a new 3800 DWT heavy lift vessel being built for Netherlands based operator Hartman Seatrade. The owner has established a new shipyard, Rock Shipbuilding, where the vessel will be built. The order with Wärtsilä was booked in Q4 2025.
The vessel will operate with the Wärtsilä 31 engine, which features best-in-class fuel efficiency and minimised exhaust emissions. The engine’s modular design enables a significant reduction in maintenance requirements and costs, while providing the flexibility for both fast and slow steaming operations.
“Our focus is on efficiency, reliability, and operational flexibility,” says Teele Hartman, Managing Director of Hartman Seatrade. “Wärtsilä engines have consistently performed well across our fleet. The Wärtsilä 31 offers the performance range we need for both slow and fast steaming, combined with low maintenance requirements. Based on our long-standing cooperation and operational experience, Wärtsilä was the obvious choice for this vessel.”
Wärtsilä will also supply the gearbox which will enable the vessel to operate in PTI (Power Take-In), PTO (Power Take-Off), and PTH (Power Take-Home) modes, thereby further improving fuel efficiency. The vessel’s Controllable Pitch Propeller (CPP) will be controlled by Wärtsilä EcoControl and hydrodynamically optimised with Wärtsilä’s Opti Design solution. Operating the propeller at low speed when full thrust isn’t needed will also deliver additional fuel savings. The Wärtsilä equipment is scheduled for delivery in spring 2027.
“Ship owners today face pressure to balance costs, reliability and efficiency with sustainability targets, and while maintaining operational flexibility,” says Roger Holm, President of Wärtsilä Marine & Executive Vice President at Wärtsilä Corporation. “Efficient energy use and advanced equipment are key to meeting regulations while staying profitable. The Wärtsilä 31 engine, combined with complementary technologies, offers the most logical path forward for cargo operators.”
Wärtsilä has established a strong relationship with Hartman Seatrade over the years, having supplied equipment for several vessels in the company’s fleet.
Media contact for more information on this release:
Isabella Alder
Positioning and Strategic Communications Manager Wärtsilä Marine
Tel: +44 (0) 7792 681 757
marine.media@wartsila.com
Image caption: Wärtsilä will supply the engine and propulsion equipment for a new 3800 DWT heavy lift vessel being built for Netherlands based operator Hartman Seatrade (credit: Conoship International BV)
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Wärtsilä Marine in brief
Wärtsilä Marine is a global pioneer in power, propulsion and lifecycle solutions for the marine market. We develop industry-leading technologies, advancing maritime's transition to new fuels. We support building an end-to-end digital ecosystem where all vessels and ports are connected. Ultimately, Wärtsilä 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.
www.wartsila.com/marine
Wärtsilä in brief
Wärtsilä is a global leader in innovative technologies and lifecycle solutions for the marine and energy markets. We emphasise innovation in sustainable technology and services to help our customers continuously improve their environmental and economic performance. Our dedicated and passionate team of 18,300 professionals in more than 230 locations in 77 countries is shaping the decarbonisation of our industries across the globe. In 2024, Wärtsilä’s net sales totalled EUR 6.4 billion. Wärtsilä is listed on Nasdaq Helsinki.
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