Marine transmissions products

Hangzhou Advance Gearbox Group

Advance marine gearboxes (HC series)

Reverse-reduction gearbox

HC-series marine reverse-reduction gearboxes covering 10–3,390 kW and ratios of 1.5–24:1, plus GW and GC medium-speed lines.

Hangzhou Advance Gearbox Group

High-speed marine gearbox

Compact aluminium-housing gearboxes for high-speed diesels, about 20–3,900 kW, ratios of 1.0–3:1, including angled-output versions.

Kanzaki Kokyukoki

Reverse-reduction gearbox

Hydraulic multi-plate (KMH) and cone-clutch (KM) reverse-reduction marine gears for fishing, work and pleasure boats.

Masson Marine

Reverse-reduction gearbox

Continuous-duty workboat gearboxes from MM W1900 to W20500 with non-reversing, PTO, PTI, dual-speed and twin-input options.

Masson Marine

Marine gearbox

Merlin gearbox series from ML 90 to ML 415.

Masson Marine

Lightweight marine gearbox

Aluminium gearbox launched in 2024 for high-rpm engines and lightweight vessels, ratios 1.326-3.000.

Twin Disc

Marine transmission

Fast-shift transmissions with integrated clutch, valves, actuators and electronic control, up to about 3,660 hp.

Twin Disc

Marine transmission

Standard marine transmissions in more than 100 models spanning about 35 to over 4,000 hp.

Twin Disc

Electric & hybrid transmissions

Transmissions for full-electric/serial hybrid (MGE) and parallel hybrid (MGH) drivelines, 425–1,163 kW.

Twin Disc

Controls, surface drives, propellers

Transmission-centred packages combining Twin Disc gears with EJS joystick control, Arneson drives and Rolla propellers.

ZF Marine

Reverse-reduction gearbox

Compact, light reverse-reduction transmissions for fast craft, ferries, crew boats and yachts, matched to medium- and high-speed diesels.

ZF Marine

Hybrid (PTI) marine transmission

Transmissions with power take-in for electric motors, 600-11,500 kW, for FPP, CPP and waterjet vessels; ZF supplies complete hybrid systems.