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The EMD F7 is a model of 1,500-horsepower (1,100 kW) diesel-electric locomotive produced between February 1949 and December 1953 by the Electro-Motive Division of General Motors (EMD) and General Motors Diesel (GMD).
The following is a list of locomotives produced by the Electro-Motive Corporation (EMC), and its successors General Motors Electro-Motive Division (GM-EMD) and Electro-Motive Diesel (EMD). Streamlined power cars and early experimental locomotives
The FT, introduced in 1939 with the new 1,350 hp (1.01 MW) 567 engine and Blomberg B trucks, was a successful design, and remained in production during WWII.. The F3 (1946) had a different roof arrangement that included the replacement of the FT's boxy dynamic brake structure with two under-roof grids, two exhaust stacks instead of four, and four cooling fans grouped together instead of ...
Santa Fe's aging fleet of F7 units were approaching retirement age in 1970. These units were remanufactured into switchers and named CF7. Santa Fe used them for a decade and sold many of them to short lines around the states. Many of those were still being used as of 2003. [4]
The EMD F-units followed the basic B-B truck design of the TA model, but with a V-16 EMD 567 prime mover generating 1350 hp as introduced in 1939. E-units standardized the two engine configuration for passenger locomotives to maximize power and, while the less-reliable Winton Diesel prime movers were in use, faced a less severe loss of power ...
The locomotives are powered by a 16-cylinder EMD 16.567 C or E engine that has a power output of 1,305 kilowatts (1,750 horsepower) at 835 revolutions per minute (rpm). The engines power an EMD D32 or D12 generator that feeds six ASEA LJB76 or LJB84 motors on a Di 3a. The Di 3b is equipped with four EMD D40 or D77B motors.
Electro-Motive Diesel (abbreviated EMD) is a brand of diesel-electric locomotives, locomotive products and diesel engines for the rail industry. Formerly a division of General Motors, EMD has been owned by Progress Rail since 2010.
AAR control stand on an EMD DDA40X; Other EMD models are similar. A control stand is a diesel-electric locomotive subsystem which integrates engine functional controls and brake functional controls, [1] whereby all functional controls are "at hand" (within reach of the locomotive engineer from their customary seating position, facing forward at all times). [2]