Sisu Axles is owned by Marmon Holdings, Inc., a Berkshire Hathaway company, serves the global heavy-duty transportation industry, with a broad range of innovative components and assemblies. To learn more about Marmon Holdings, Inc., visit marmon.com.
The operations are located in Hämeenlinna, Southern Finland. Our products are seen all over the world in tough and sometimes extreme applications.
Solution provider is the term we use. We are driven by customers needs while our customers are driven with unique applications. Sisu Axles assists them to equip their vehicles with axle systems that they do not find anywhere else.
Sisu Axles serves customers who are rather niché market suppliers than those who make products for high volume vehicle industry. Tailoring for special purposes and applications knowledge are key words to describe our know-how.
Our solutions are available all over the world and they are supported by the highly specialized R&D team in Finland and by the spares department with high availability of necessary parts to eliminate unexpected downtime of the customers´ vehicles.

Company History
Suomen Autoteollisuus was formed. Sisu brand was formed.
Vanaja truck brand established and Sisu trucks manufacturing starts.
Vanaja branded busses and trucks
Suomen Autoteollisuus and Vanajan autotehdas were merged.
Production of terminal tractors starts.
Suomen autoteollisuus became a state owned company.
Company name changed to Sisu Auto
New axle factory
Valmet’s transportation and tractor business units were merged into Sisu corporation
Sisu Axles subsidiary formed
Partek acquired Sisu, Sisu Axles was kept separate -> Sisu Defence
New Patria corporation formed
Majority of Sisu Axles sold to private equity
Various ownership arrangements made, Sisu Axles shares were transferred to share holders
Marmon Holdings, Inc. acquired all Sisu Axles shares
