Wärtsilä Waterjets services

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Wärtsilä Waterjets services

Whether you operate high-speed passenger ferries, workboats or naval vessels, the performance, reliability, safety and availability of your assets should never be a concern. With a reliable global service and maintenance network behind you, you can be assured of world-class support throughout the lifecycle of your equipment. Wärtsilä’s offering covers everything from emergency repairs to modernisation or even complete replacement of your vessel’s waterjet system.

Wärtsilä Waterjets services are applicable to both Wärtsilä and third-party systems and are based on our decades of experience in designing, maintaining, and modernizing waterjet propulsion systems onboard vessels of all kinds. Our services follow carefully defined maintenance schedules throughout the waterjet lifecycle, with predefined maintenance kits providing long-term cost predictability of parts and associated services.

Key benefits

  • Maximise vessel uptime and reduce operating costs
  • Ensure safe, reliable performance and fast access to original Wärtsilä spare parts
  • Get greater visibility over lifecycle costs with long-term service agreements
  • Benefit from a flexible maintenance approach and global support
  • Increase time between overhauls

    Technical info

    Our services offering for waterjet propulsion systems covers complete reinstallation, repowering, repair, replacement and overhauls, all including the applicable classification approvals:

    • Planned and unplanned maintenance
    • Replacement of wear components such as shaft seals, waterlubricated shaft bearings, radial and axial roller bearings, and anticorrosion anodes
    • Hydraulic cylinder and hose services
    • Impeller repair, overhaul and replacement
    • Outboard assembly reconditioning
    • Upgrade of older waterjets to the latest technologies
    • Upgrade of sealing solutions
    • Upgrade and retrofit of propulsion controls
    • Audit services such as underwater inspection, repair and alignment including analysis of results
    • Condition monitoring


    Wärtsilä Waterjets services are applicable to both Wärtsilä and third-party Waterjet systems.

    Wärtsilä Waterjets services aim to achieve and maintain optimal performance and efficiency of your waterjets throughout their entire lifecycle.


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