The GE U25B is General Electric's first independent entry into the United States domestic road switcherdiesel-electric locomotiverailroad market for heavy production road locomotives since 1936. From 1940 through 1953, GE participated in a design, production, and marketing consortium (Alco-GE) for diesel-electric locomotives with the American Locomotive Company. In 1956 the GE Universal Series of diesel locomotives was founded for the export market. The U25B was the first attempt at the domestic market since its termination of the consortium agreement with Alco.[1]
^Foster, Gerald L. (1996). A field guide to trains of North America. Boston: Houghton Mifflin. p. 42. ISBN0-395-70112-0.