Masson Marine is a one-stop solution for the entire propulsion package, offering:
• Gearboxes
• Controllable-pitch propellers & control systems
• Shaft lines, brakes, PTOs, stern tubes, and seals

We provide full-cycle services—design, hydrodynamics, engineering, assembly, commissioning, and support. All manufacturing (heat treatment, machining, and assembly) is centralized at our facility in Sens, France, ensuring quality, speed, and flexibility.

With engine compatibility from 500 to 5,000 kW, Masson solutions are trusted on sea and river workboats worldwide. Our ISO 9001 certification and extensive experience with IACS classification societies (BV, ABS, LR, RINA, etc.) and major engine OEMs (Caterpillar, Cummins, Mitsubishi, MTU, Yanmar...) reflect our deep industry integration.