Complete gearboxes and repair solutions for ships

Grenaa Motorfabrik is your competent gear factory and caring service partner. We have the experience in engineering, manufacturing and craftsmanship to take on even the most complex gear system assignments. And we have the will to do it properly, customer friendly and with a significant sense of urgency.

Complete gearbox solutions

We design and manufacture complete bespoke marine gearboxes.

  • Reduction gears for propulsion
  • PTO gearboxes for generator or pump drives
  • Designs approved by any major classification society
  • Reliable and competitive solutions at fast-track schedule
  • Gearsystem repair solutions or re-designs

On board or at our factory we perform repair, rebuilds or even redesign of gearboxes of any make. We are your turn-key partner and we give warranty and arrange classification society approvals.

  • New design or reverse engineering of gear systems, latest software
  • CNC-gearwheel grinding, gear measuring and documentation
  • Manufacture of gearwheels matching and exceeding OEM specification
  • Refurbishment of shafting and new shafting design and manufacturing
  • Babbitt bearings (white metal), repair or new manufacture
  • In-situ machining of bearing bores (on-site machining)
  • Rebuilds and improvements of existing gearboxes