Electro-motive Diesel (or EMD for short) is a brand that makes locomotives, locomotive products, and diesel engines used in the rail industry. Originally founded in 1922 as Electro-Motive Engineering Corporation, it was acquired by General Motors in 1930 and became GM's Electro-Motive Division. In 2005, GM sold it to Greenbriar Equity Group and Berkshire Partners, and by 2010 it was bought by Progress Rail, a subsidiary of Caterpillar. EMD is known for producing some of the most iconic locomotives in the world, including the famous F-series and SD-series engines.
The GP38-2 and F59PHI are examples of locomotives built by electro-motive diesel