HO Scale - F5A - Northern Pacific #6051ADescription: This unit is not equipped with sound, but is sound card ready. EMD F units were a line of diesel electric locomotives produced between November 1939 and November 1960 by General Motors Electro Motive Division and General Motors Diesel Division. Final assembly for all F units was at the GM EMD plant at La Grange, Illinois and the GMDD plant in London, Ontario, Canada. They were sold to railroads throughout the United States, Canada, and