EMD F9
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The EMD F9 was a 1,750 horsepower (1,300 kW) Diesel-electric locomotive produced between February 1953 and May 1960 by the Electro-Motive Division of General Motors (EMD) and General Motors Diesel (GMD). It succeeded the F7 model in GM-EMD's F-unit sequence. Final assembly was at GM-EMD's La Grange, Illinois plant. The F9 was also built in Canada by General Motors Diesel at their London, Ontario plant. A total of 100 cab-equipped lead A units and 154 cabless booster B units were built. The F9 was the fifth model in GM-EMD's highly successful "F" series of cab unit diesel locomotives.
A F9 can be distinguished reliably from a late F7 only by the addition of an extra filter grille ahead of the front porthole on the side panels on A units. Internally, the use of an 567C prime mover increased power to 1,750 hp from the F7's 1,500 hp.
By the time cab units such as the F9 were built, railroads were turning to the road switcher-style of locomotive, and the F9 was succeeded in most part by the EMD GP9.
Contents
Engine and powertrain
The F9 used a 16 cylinder 567C series diesel engine developing 1,750 hp (1.30 MW) at 800 rpm. The 567 was designed specifically for railroad locomotives, a supercharged 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). A D.C. generator powered four D37 traction motors, two on each Blomberg B truck. EMD has built all of its major components since 1939. [1] [2] [3] [4]
Original buyers
Locomotives built by EMD at La Grange, Illinois
Owner | Quantity A units | Quantity B units | Road numbers A units | Road numbers B units | Notes |
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Electro Motive Division (demonstrator) |
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to NP 7050A (freight), Built 2/53 |
Electro Motive Division (plant) |
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Rebuilt 5/60 from C&NW F7 6501A |
Atlantic Coast Line |
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Rebuilt May 1957 from wrecked F7's; same numbers. |
Atchison, Topeka and Santa Fe Railway |
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Chicago and North Western |
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Ordered with FP9 |
Clinchfield Railroad |
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Colorado and Southern Railway |
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Rebuilt from wrecked F7 |
Denver and Rio Grande Western Railroad |
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5571 rebuilt from wrecked F7 |
Erie Mining Company |
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Ferrocarriles Nacionales de México |
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Fort Worth and Denver Railway |
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Rebuilt from wrecked F7 |
Great Northern Railway |
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Kansas City Southern Railway |
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rebuilt from wrecked F3A,F7A,F3B F7B |
Kansas City Southern (Louisiana and Arkansas Railway) |
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rebuilt from wrecked F7 |
Louisville and Nashville Railroad |
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811 rebuilt from F7 |
Milwaukee Road |
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Northern Pacific Railway |
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Freight units |
Northern Pacific Railway |
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Passenger units |
St. Louis-San Francisco Railway |
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Wabash Railroad |
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Rebuilt from wrecked F7 |
Totals | 99 | 110 |
Locomotives built by GMD at London, Ontario
Owner | Quantity A units | Quantity B units | Road numbers A units | Road numbers B units | Notes |
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Canadian National |
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Passenger, ordered with FP9 |
Canadian Pacific |
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Passenger, ordered with FP9 |
Totals | 0 | 46 |
See also
References
Notes
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Bibliography
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External links
Media related to Lua error in package.lua at line 80: module 'strict' not found. at Wikimedia Commons
- FallenFlags.org online manuals
- UtahRails.net online documents