Humboldt-Deutzmotoren AG , engine builder....
1864 Otto & Cie. is founded in Cologne, Germany.
1869: The company is renamed Langen, Otto & Roosen.
1872: Company is transformed into a public share company and is renamed Gasmotoren-Fabrik Deutz AG.
1921: Cooperation with Motorenfabrik Oberursel starts and name is changed to Motorenfabrik Deutz AG.
1930: Company merges with Maschinenbauanstalt Humboldt AG and Motorenfabrik Oberursel to become Humboldt-Deutzmotoren AG.
1938: The company is integrated into Peter Klöckner's conglomerate and renamed Klöckner-Humboldt-Deutz AG (KHD).
1953: KHD becomes independent again.
1992: KHD AG is transformed into a management holding company.
1997: The company is renamed Deutz AG.