
N Scale EMD F7B Union Pacific
Details: F-units were a line of diesel-electric locomotives produced between November 1939 and November 1960 by Electro-Motive Division of General Motors and General Motors-Diesel Division. Final assembly for all F-units was done at the GM-EMD plant in La Grange, Illinois and the GMDD plant in London, Ontario, Canada. They were sold to railroads throughout the United States, Canada, and Mexico.The first production F-unit, the iconic FT, has been dubbed "the diesel that did it" because as the first universally successful freight unit, the model was largely responsible for the beginning of replacing steam power with diesels. F-units were originally designed for freight service. Additionally, many without steam heating equipment necessary to steam-heat passenger cars, pulled short-distance, mainly daytime passenger trains. Many carriers equipped their F-units with steam generators for long-haul passenger service including Santa Fe, Great Northern, Northern Pacific, Canadian Pacific, and