Masson Marine offers a full range of marine gearboxes.
With a strong focus on R&D for 110 years, Masson Marine offers products with the highest level of durability and complying with all the main classification companies.
All Masson Marine gearboxes have a symmetrical direction of rotation, which means they can work both clockwise and counterclockwise – depending on the desired function.
Gearbox design is made compact allowing the gearbox to fit into engine rooms where space is tight. With integrated hydraulic system made stable and reliable making the gearbox is also suitable for continuous heavy operation.
Masson gearboxes:
A Dual Speed gearbox allows you to have one gearbox with 2 ratios:
Masson gears are available as single, twin gears and coaxial and many other different options.





