Steyr Motors AG manufactures and sells diesel engines for commercial and military vehicles across Europe, North America, Asia, and other international markets. It operates through two segments: Civil and Defense. The company offers marine and vehicle diesel engines and accessories, along with licensing, spare parts, and engineering services such as customizing, complete propulsion and power systems, repowering, value preservation, internal combustion engines, modular service range, and an in-house test center for engine and component testing, prototyping, series production, contract manufacturing, and licensing. It also serves boat and locomotive manufacturers and generator set producers, and provides engine-optimized software solutions with digital networking services. Formerly known as Mutares Austria Holding-01 GmbH, it changed its name to Steyr Motors AG in October 2024. The company was founded in 2022 and is based in Steyr, Austria.