KTM the war, demand for repair works fell sharply and Trunkenpolz started thinking about producing his own motorcycles. The prototype of his first motorcycle, the R100, was built in 1951. The components of the motorcycle were produced in house, except for the Rotax engines which were made by Fichtel & Sachs. Serial production of the "R100" started in 1953. With just 20 employees, motorcycles were built at the rate of three per day. In 1953, businessman Ernst Kronreif became a sizable shareholder of the company which was renamed and registered as "Kronreif & Trunkenpolz Mattighofen". In 1954, the "R125 Tourist" was
Schwing (company) Schwing (company) Schwing GmbH is a German manufacturer of mobile and stationary concrete pumps and truck mixers, headquartered in Herne, as well as the parent company of Schwing Stetter in Memmingen. The business group is the world's largest concrete pump manufacturer. The company employs more than 3300 people worldwide in seven countries. In addition, there are individual distribution companies in more than 100 countries. The Schwing Group was founded as a medium-sized enterprise on 17 March 1934, by Friedrich Wilhelm Schwing (* 1909; † 1992), a locksmith from Wanne-Eickel. In 1957, Schwing built the world's first oil-hydraulic two-cylinder concrete pump.