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The F3 was the third model in GM-EMD's highly successful F-unit series of cab unit diesel locomotives, and it was the second most produced of the series. The F3 essentially differed from the EMD F2 in that it used the “new” D12 generator to produce more power and from the later EMD F7 in electrical equipment.
EMD F-units are 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 .
The EMD F2 was a freight -hauling diesel locomotive built by General Motors Electro-Motive Division between July 1946 and November 1946. It succeeded the FT model in GM-EMD's F-unit sequence, and was replaced in turn by the F3.
The F series used a 16-cylinder version of the 567 series diesel engine, introduced in 1939. The 567 was designed specifically for railroad locomotives, a mechanically aspirated 2 stroke 45 degree V type with 567 cu in (9.29 L) displacement per cylinder, for a total of 9,072 cu in (148.66 L).
EMD F-units are 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.
EMD: F3. Written by Barry Hensel. Following its purchase of ten EMD FT locomotives in 1945, the Reading took delivery of 6 A/B sets of EMD F3 locomotives in November, 1948. These units were classed DF-2 (for Diesel-Freight-2nd purchase) and were numbered 260 A/B through 265 A/B.
30 Σεπ 2024 · The Union Pacific Railroad was an early convert to the benefits of dieselization, and as such, was the owner of the largest fleet of EMD F3A cab units and F3B booster unit locomotives in the nation, with 89 cab units and 90 booster units. Southern Pacific had the second largest number with 80 cab units and 80 booster units.
