McIntosh & Seymour was an American manufacturer of steam and internal combustion engines during the late 19th and early 20th centuries.

McIntosh & Seymour engine in use with the US Navy in the 1930s.

The company was founded in 1886, and was based in Auburn, New York.[1] It developed and sold a wide variety of steam engines through the end of the 1800s, and by 1910 had begun to build diesel engines to a design from the Swedish company Aktiebolaget Atlas.[1] It primarily produced large engines for stationary generator and marine applications.[1] In the 1920s, McIntosh & Seymour was an early builder of diesel engines for use in railroad locomotives, providing an engine to the American Locomotive Company (Alco) for an experimental locomotive.[2] In 1929, Alco purchased McIntosh & Seymour, and operated it as a subsidiary for some time before the name vanished.[2] Under Alco ownership, McIntosh & Seymour designed and built Alco's first production diesel engine, the 531.[2]

The company's archives are held by the Smithsonian Institution, covering the period from circa 1886-1939. [3]

References

  1. 1 2 3 "History of an Engine Company: McIntosh & Seymour Corporation". Gas Engine Magazine. 2013. Retrieved February 18, 2017.
  2. 1 2 3 Boyd, Jim (2000). Passenger Alcos In Color. Scotch Plains, NJ: Morning Sun Books. p. 5. ISBN 1-58248-029-X.
  3. ↑ "Preliminary Guide to the McIntosh, Seymour and Company Records". Smithsonian Institution. Retrieved October 30, 2019.
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