Our marine propulsion services

Stern tube seals

Stern Tube Seals

Our Ocean seal® is type approved.

Stern tube seal spare parts are compatible with Kobelco/Kemel®,Wärtsilä®, Simplex/ SKF® Lagersmit® etc.

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stern tube seal replacement

Stern Tube Seal Service

Technical Advice.
Maintenance, repair & troubleshooting.
Dry dock or afloat stern tube seal service

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RM Propulsion thruster spare parts bearings

Thruster spares

Compatible with your system such as Berg®, Brunvoll®,Kawasaki®, Rolls-Royce® etc.

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Thruster service

Thruster service

For Bow thrusters,
Stern thrusters,
Azimuth thrusters,
Steering Gear, CPP

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Specialists in stern tube seals & Marine propulsion services

RM Propulsion is een marine propulsion service company with more then a decade of practical experience, we offer a complete and tailor-made service solution for:


  • Ocean Seal® Type approved Stern tube seal;
  • Oil-lubricated stern tube seals spare parts;
  • Bow, stern, and azimuth thrusters;
  • Controlled-pitch propeller (CPP) systems.

Our expertly made stern tube seal is type approved & crafted to our own high specifications. The stern tube seal spare parts are fully compatible with most original systems – but at a lower cost. We offer a full installation and repair service to fit the parts on your vessel.

For propulsion services, we also carry a wide range of thruster spare parts compatible with most maker systems.

Looking for emergency repairs or quick advice? We are available 24/7 to help in an emergency and our advice is always free!

Stern Tube Seal test facility

RM Propulsion’s R&D Department

Our stern tube seal testing facility can simulate all actual conditions of your vessel.

‘creativity at work’

Research & Development

Our RM Propulsion team is creative. We’re not satisfied with following in others’ footsteps – we want to challenge the unknown ourselves. We see research and development as a key part of our strategy, and we’re constantly working to innovate in both our products and our services. This makes us the best we can be – and enables us to be your ideal partner in stern tube and propulsion services.

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