Single Stage Gearbox

The reduction gearboxes are designed for engines between 150 kW to 8000 kW. Maximum input speed is from 3200 rpm to 1000 rpm for the largest gearboxes. The reduction ratio is from 2:1 up to 10:1. The largest reduction is done by an additional gear train. The gearboxes can be delivered with PTO’s for hydraulic pumps or shaft generator.

The gearboxes are manufactured with following main components:
• Cast steel gearbox housing
• Input shaft arranged for flexible coupling
• Hydraulic operated multi-plate clutch for secure and soft engagement
• Gearwheels with hardened and ground helical teeth for silent operating
• Hydraulic built in servo unit for secure propeller pitch setting
• Output shaft with flange arrangement for propeller shaft coupling
• All bearings of roller type with a low friction losses and long lifetime
• Spherical roller thrust bearing with a low friction losses and long lifetime

All parts are made of the most suitable material qualities.
Finnøy Gear & Propeller AS • Finnøy, N-6487 Harøy • E-mail: • Phone: +47 71 27 60 00 • Fax: +47 71 27 60 35