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Beta Marine offers the following gearbox options and reduction ratios for yachts. If you have a specific requirement or heavy duty application, e.g: fishing boats, then please ask and we will be pleased to discuss it with you.We can also mount your old / existing gearbox on a new Beta engine, if you wish to send it to us. For further information on a specific gearbox, please look at the individual manufacturer’s websites for more information:

Technodrive (Twin Disc)               ZF              PRM Newage (formerly PRM Marine)

Gearbox Information Downloads

If you have any questions, please do not hesitate to Contact Us.

The standard gearbox is shown as ‘Std.’ and the alternative or upgrade gearboxes are shown as ‘Extra’. Click here for a printable version of the tables below – Informational Gearbox Sheet.

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Beta Marine PNW… More Than Just Engine Sales

We don't want to just sell you an engine, we support the boating community through a comprehensive array of repowers, education and marine diesel engine services designed to enhance our customers’ experience on the water.

Beta Marine PNW is here to recommend the right size propulsion engine and associated materials needed for your repower and/or help you calculate your generator requirements. If you need assistance with installation, warranty services, repair or service needs, reach out and Contact Us today.

Beta 14 & Beta 16



Beta Marine's Beta 14 and Beta 16 engines are the perfect propulsion engines to replace your Atomic 4 gas guzzler.

Learn more about our Beta 14 and Beta 16 engines.

Small, Powerful, Quiet, Reliable

Beta Marine, marinized Kubotoa engines, are the perfect engines for the boat owner who likes to manage their own routine engine maintenance.

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