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    Shaft Line Solutions

Services that maximise the lifetime of the shaft line

Reliability for the long haul

A global leader in smart technologies and complete shaft line solutions for the marine market, we at Wärtsilä Shaft Line Solutions have the experience, products and specialised services to support ship owners and operators throughout the whole life cycle of their vessel. 

As well as reliable, efficient and technologically advanced, our fully integrated shaft line solutions are designed to reduce risks at sea and ensure compliance with current legislation.

Shaft Line Solutions

Wärtsilä Shaft Line Repair Services

Wärtsilä Field Services

Wärtsilä Underwater Services

In the event of a minor or major shipping incident, this interdisciplinary offering brings customers a comprehensive overhaul and upgrade service for shaft lines and associated equipment.


Our highly skilled Field Services team is ready to respond worldwide to in-situ commissioning, repairs and overhauls to help ship operators decrease downtime and eliminate the need for dry-docking.

As the first global operator in the underwater services market with a team of certified diver technicians and propulsion experts, we are uniquely positioned to carry out upgrades or overhauls under the water and on a global scale. 

  • Scrubber Overboard Pipe and Diver
    Scrubber Overboard Pipe Repair

    Discover Wärtsilä Underwater Services innovative solutions to fix and prevent corrosion caused by the acidic discharge from scrubber systems

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Getting your bearings straight

Products and spare parts

We are continually developing and innovating our products and processes to deliver complete stern tube packages and custom-engineered shaft line solutions. Aside from our standard product range - Original Equipment Manufacturer (OEM) spare parts for Cedervall, Deep Sea Seals (DSS) and Japan Marine Technologies (JMT) - we design, test and manufacture seal and bearing products at our research facilities across the globe to deliver dependable shaft line solutions.

Maximising equipment performance and operational efficiency

Bringing aging systems up-to-date with the latest technological standards, our upgrade solutions maximise equipment performance and maintain operational efficiency so that ship owners and operators can get the most out of their vessel.

How can we help?

Contact our 24/7 customer support at sls247@wartsila.com for assistance with solutions related to the shaft line.

To enable prompt response, please indicate the Equipment Serial Number or the name of the vessel. Equipment Serial Number is taken from the equipment nameplate and includes all letters and numbers as given on the equipment nameplate.

For all other enquiries, please fill in the online form. Fields indicated with an asterisk (*) are required. We aim to respond within 1-2 business days depending on the scope of your enquiry.

Wärtsilä Marine. Let's connect.