About MarineShaft

MarineShaft is located in Hirtshals Denmark on three locations with more than 9000 m2 workshop facilities from where we assist customers from all over the world.

Our core business is class-approved cold-straightening of propeller shafts and rudder stocks. Our unique technique has been approved by all major classification societies as a permanent repair without any conditions. We keep a large stock of class-approved steel and can offer you manufacture of new propeller shafts and rudder stocks with very short delivery times.

We are specialized within:

  • Straightening of shafts
  • Repair of rudder and rudder arrangements
  • Repair of propeller equipment
  • Repair of propeller blades
  • Laser cladding
  • Microwelding
  • Heat treatment
  • Coating of shafts
  • Laser alignment
  • Mobile machining
  • Manufacturing of shafts
  • Authorized distributor of Wärtsiläs Seals & Bearings
  • Engine work
  • Authorized REINTJES Service Department
  • Hydraulic work
  • Repair of cranes and winches
  • RSW / Cooling / Freezing
  • Ice Blasting
  • HVAC
  • Chemical cleaning of pipes
  • Stainless steel work
  • Spare parts


We have a skilled team of service engineers, machinists, propeller specialists, offshore certified and certified welders who quickly and professionally carry out jobs worldwide. Whether you require boring of stern tubes and similar, rudder horn, machining of cones in rudder blades, cones on shafts etc. or laser alignment, our dedicated workforce has the expertise and willingness to step in at short notice 24/7.