Detroit Diesel Corporation (DDC) manufacturer of diesel engines with its headquarters in Detroit, Michigan, USA, is a subsidiary of Daimler Trucks North America LLC, and is in turn property of Daimler AG in Germany.
The company produces engines and chassis components for on-highway and professional for the commercial vehicles market. Detroit Diesel has built more than 5 million engines since 1938, of which more than 1 million are still in operational around the world.
The Detroit Diesel product line includes engines, axles, transmissions and spare parts for the marketed components.