About Us

Kumera Marine AS has two locations: Sandefjord (Norway), previously known as Kumera AS, and Hjelseth (Norway) previously known as Helseth AS.

Sandefjord location has more than 50 years of experience within marine gearbox manufacturing and has undertaken a significant investment into development of propulsion gearboxes. In addition Kumera offers gearboxes adapted to various hybrid solutions and also has the capability to deliver tailor-made solutions for specific projects. Preventive maintenance and service is also an important part of the business.

Hjelseth location has more than 100 years of experience within propulsion. The core business is controllable pitch propellers (CPP), but also offers a range of manually adjustable pitch propellers (APP) combined with reverse gearboxes. The range of CP propellers delivered is up to 4500 mm propeller diameter.

Kumera AS acquired Helseth AS in May 2018. The agreement integrated CP Helseth AS into Kumera AS marine gearbox operations. The two companies merged together as one company Kumera Marine AS in 2022. Kumera Marine AS is a subsidiary of the international gearbox manufacturer Kumera Corporation. Kumera Corporation operates world-wide with factories in Norway, Finland, Germany, Austria and China.

Based on the strong industrial and financial position of Kumera and the companies’ high-quality gearboxes and propellers, the unified companies will deliver a very competitive alternative to the market – well fitted to a wide range of vessel types.

The range of marine gearboxes from Kumera and CP propellers from Hjelseth is a perfect match covering engine power range from 200 to 4000 kW. 

Kumera - About Us - Marine

Sales, Service and Maintenance

We at Kumera are happy to serve customers world-wide. Kindly do not hesitate to contact us in any gearbox related issues.

Marine Gearboxes, Propellers & Propulsions