Locomotive, Diesel, Alco DL-109

History: The ALCO DL-109 is one of six models of A1A-A1A Diesel locomotives built to haul passenger trains by the American Locomotive Company (ALCO) between December, 1939 and April, 1945 ("DL" stands for Diesel Locomotive). They were of a cab unit design, and both cab-equipped lead A units DL-103b, DL-105, DL-107, DL-109 and cabless booster B units DL-108, DL-110 models were built. The units were styled by noted industrial designer Otto Kuhler, who incorporated into his characteristic cab (US Patent D121,219) the trademark three-piece windshield design. A total of 74 cab units and four cabless booster units were built.

Alco's DL-109 marks their early entry into the passenger diesel market in 1940. With its sleek lines, knife-edged nose and long wheelbase, it was ideally suited for high-speed service, and with 2,000 horsepower under the hood, it could handle passengers or high-speed freight with ease. Because of its dual-service capabilities, Alco was allowed to construct the DL-109 in the face of wartime restrictions on passenger-only locos, and the units performed admirably round the clock, handling passengers during the day and freight trains at night. Using lessons learned with the DL-109, it was succeeded by the PA-1 in 1946. Full data sheet on The Diesel Workshop.

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Railroad/Company: The American Locomotive Company, often shortened to ALCO, ALCo or Alco, designed, built and sold steam locomotives, diesel-electric locomotives, diesel engines and generators, specialized forgings, high quality steel, armed tanks and automobiles and produced nuclear energy. The American Locomotive Company was formed in 1901 by the merger of Schenectady Locomotive Engine Manufactory of Schenectady, New York with seven smaller locomotive manufacturers.

The American Locomotive Automobile Company subsidiary designed and manufactured automobiles under the Alco brand from 1905-1913 and produced nuclear energy from 1954-1962. The company changed its name to Alco Products, Incorporated in 1955. In 1964 the Worthington Corporation acquired the company. The company ceased trading in 1969.

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