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New propellers


Controllable Pitch Propellers are particularly suitable for boats that require variable propulsion power conditions in terms of speed, bollard pull and maneuverability.

Fixed Pitch Propellers are typically suitable for long voyage vessels, which do not require operating at variable speeds.

Advantages of a Controllable Pitch Propeller

  • High propulsion efficiency, optimizing maneuverability: passing from “ahead” to “reverse” occurs smoothly and without dead time, simply through propeller pitch inversion.
  • Very short response time while maintaining full power ensures higher safety for the ship and crew, and reduces the stopping distance of the vessel considerably.
  • More efficient use of the diesel engine: 100 % engine power remain available at the propeller in every situation (cruising, trawling, maneuvering, etc.) Furthermore, a Controllable Pitch Propeller allows constant operation of the engine at its nominal speed, thereby significantly reducing the fuel consumption, maintenance cost, and clutch disc wear.

We offer the following Controllable Pitch Propellers from Masson Marine

Dimensions (mm)

Models kW/rpm
(hp/rpm)
Hub Ø Max Shaft Ø Max Prop Ø
MMS 300 0,6 (0,8) 300 100 1350
MMS 370 0,9 (1,2) 370 132 1650
MMS 430 1,3 (1,7) 432 132 1850
MMS 480 2,5 (3,4) 480 160 2160
MMI 480 2,5 (3,4) 480 160 2160
MMS 520 4,5 ( 6,0) 520 190 2340
MMS 660 7,5 (10,1) 660 230 2880
MMI 660 7,5 (10,1) 660 230 2880
MMS 720 11,0 (14,8) 720 255 3240
MMS 780 15,0 (20,1) 780 285 3600
MMI 780 15,0 (20,1) 780 285 3600
MMI 860 22,0 (29,5) 860 325 3930
MMI 960 29,5 (39,6) 960 370 4385
MMI 1070 42,0 (56,3) 1070 390 4890
Model types:
MMS: pitch actuator built on the gearbox output flange

MMI: pitch actuator built in the propeller hub
Contact us and we will guide you to the best choice for your particular need
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