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The EMD F9 is a
Diesel-electric locomotive A diesel locomotive is a type of railway locomotive in which the prime mover (locomotive), prime mover is a diesel engine. Several types of diesel locomotives have been developed, differing mainly in the means by which mechanical power is conv ...
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 ''(the barn)'' , nickname = , motto = ''Tradition & Pride – Moving Forward'' , anthem = ''My La Grange'' by Jimmy Dunne , image_map = File:Cook County Illinois Incorporated and Unincorporated areas La Grange Highlighted.svg , mapsize = 26 ...
plant. The F9 was also built in Canada by General Motors Diesel at their
London, Ontario London (pronounced ) is a city in southwestern Ontario, Canada, along the Quebec City–Windsor Corridor. The city had a population of 422,324 according to the 2021 Canadian census. London is at the confluence of the Thames River, approximate ...
plant. A total of 101 cab-equipped lead
A unit A, or a, is the first letter and the first vowel of the Latin alphabet, used in the modern English alphabet, the alphabets of other western European languages and others worldwide. Its name in English is ''a'' (pronounced ), plural ''aes'' ...
s and 156 cabless booster
B unit B, or b, is the second letter of the Latin-script alphabet, used in the modern English alphabet, the alphabets of other western European languages and others worldwide. Its name in English is ''bee'' (pronounced ), plural ''bees''. It re ...
s were built. The F9 was the fifth model in GM-EMD's highly successful "F" series of
cab unit In North American railroad terminology, a cab unit is a railroad " locomotive" with its own cab and controls. "Carbody unit" is a related term, which may be either a cabless booster unit controlled from a linked cab unit, or a cab unit that con ...
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 from the F7's . 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 The EMD GP9 is a four-axle diesel-electric locomotive built by General Motors' Electro-Motive Division between 1954 and 1959. The GP9 succeeded the GP7 as the second model of EMD's General Purpose (GP) line, incorporating a new sixteen- cylin ...
.


Engine and powertrain

The F9 used a 16-cylinder 567C series Diesel engine developing at 800 rpm. The 567 was designed specifically for locomotive applications, being a 45 degree V-type two-stroke design, with displacement per cylinder, for a total of . 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.


Original buyers


Locomotives built by EMD at La Grange, Illinois


Locomotives built by GMD at London, Ontario


See also

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List of GM-EMD locomotives 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 locomotive ...
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List of GMD Locomotives The following is a list of locomotives produced by General Motors Diesel (GMD), and its corporate successor Electro-Motive Canada (EMC). The NF-110 and NF-210 locomotive models were narrow gauge locomotives for use on Canadian National Railway's ...


References


Notes


Bibliography

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External links

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EMD F9 and F9B locomotives data sheet
{{EMD cab and cowl B-B locomotives F09 F09 Diesel-electric locomotives of the United States Railway locomotives introduced in 1953 Locomotives with cabless variants Standard gauge locomotives of Canada Passenger locomotives Standard gauge locomotives of the United States Standard gauge locomotives of Mexico Diesel-electric locomotives of Canada Diesel-electric locomotives of Mexico Streamlined diesel locomotives