Reduction gearboxes
Chongqing Gearbox
CSSC subsidiary in Chongqing making heavy-duty marine propulsion gearboxes, including the GW, GC and GVA series.
Gearboxes & transmissions
13 companies
Reduction gearboxes, reversing transmissions and high-power naval gears between engine and propeller shaft.
Filter companies: Gearboxes & transmissions
Controllable-pitch propellers
Finnøy Gear & Propeller
Norwegian designer and maker of reduction gearboxes and controllable pitch propeller packages for fishing, aquaculture and workboats.
Reduction gearboxes
Flender
German mechanical drive specialist supplying NAVILUS marine propulsion, generator and dredger gearboxes plus marine services.
Marine transmissions
Hangzhou Advance Gearbox Group
Chinese gearbox group making HC, GW and GC series marine reverse-reduction gearboxes from 10 kW to about 3,900 kW.
Marine transmissions
Kanzaki Kokyukoki
Yanmar group transmission maker in Amagasaki, Japan, producing hydraulic and cone-clutch marine gears for small boats.
Controllable-pitch propellers
Kumera Marine
Norwegian maker of controllable-pitch propellers and marine propulsion, hybrid and auxiliary gearboxes, part of Kumera Corporation.
Controllable-pitch propellers
Masson Marine
Independent French maker of marine gearboxes (MM W, Merlin, electric range) and CPP/FPP propeller packages since 1908.
Reduction gearboxes
Reintjes
German foundation-owned maker of marine reduction, reverse and combining gearboxes and hybrid systems from about 250 to 40,000 kW.
Naval & high-power gearboxes
RENK
Augsburg-based maker of naval and merchant marine gearboxes, combining gears, couplings and bearings; listed as RENK Group AG.
Controllable-pitch propellers
Servogear
Norwegian maker of CPP propulsion packages and gearboxes for fast ferries, workboats and yachts, part of BOS Power since 2022.
Surface drives
Twin Disc
US maker of marine transmissions, Arneson surface drives, Rolla propellers, Veth thrusters and joystick controls.
Reduction gearboxes
ZF
ZF's industrial drives business in Witten, Germany, supplying large marine and offshore gearboxes, couplings and clutches (ex-Lohmann + Stolterfoht).
Fixed-pitch propellers
ZF Marine
ZF Friedrichshafen's marine division: transmissions (10-12,000 kW), azimuth and tunnel thrusters, propellers, pods and controls.