Katsa Oy – Reliable gear solutions to railways

Katsa is one of the leading gear producers for demanding solutions. 
In-house manufacturing process including heat treatment capabilities fulfills any railway requirement. Dynamic balancing, magnetic particle inspection and other high requirement processes are part of gear produc-tion at Katsa.


Gear manufacturing capacity at Katsa is focused on case carburized and ground gear wheels. Modern machines include robotised turning cell, se-veral sizes of hobbing machines, robotised deburring, in-house chamber furnace heat treatment, high accuracy universal grinding machines and Reishauer RZ 1000 gear grinding capacity.

Katsa Oy was founded in 1955 and since that the company has been looking for solutions of the future. Over the years that has meant ongoing transformation and continuous investments on latest manufacturing and inspection technologies.



In addition to gear wheels Katsa Oy offers also different mechanical power transmission solutions. These include PTO gearboxes and clutches, but also other gearbox needs of rail applications. Katsa Oy also offers reverse engineering for modernization projects.

Katsa Oy was founded in 1955 and since that the company has been looking for solutions of the future. Over the years that has meant ongoing transformation and continuous investments on latest manufacturing and inspection technologies.


In addition to gear wheels Katsa Oy offers also different mechanical power transmission solutions. These include PTO gearboxes and clutches, but also other gearbox needs of rail applications. Katsa Oy also offers reverse engineering for modernization projects.