The EMD F9 was a 1750 hp Diesel-electric locomotive

Diesel locomotive

A diesel locomotive is a type of railroad locomotive in which the prime mover is a diesel engine, a reciprocating engine operating on the Diesel cycle as invented by Dr. Rudolf Diesel...

 produced between February 1953 and May 1960 by the Electro-Motive Division of General Motors (EMD) and General Motors Diesel (GMD)

General Motors Diesel

General Motors Diesel was a Canadian railway diesel locomotive manufacturer.-History:General Motors Diesel, Limited, was created in 1949 as the Canadian subsidiary of the Electro Motive Division of General Motors located in the United States...

. It succeeded the F7

EMD F7

The EMD F7 was a Diesel-electric locomotive produced between February 1949 and December 1953 by the Electro-Motive Division of General Motors and General Motors Diesel . It succeeded the F3 model in GM-EMD's F-unit sequence, and was replaced in turn by the F9. Final assembly was at GM-EMD's La...

 model in GM-EMD's F-unit

EMD F-unit

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...

 sequence. Final assembly was at GM-EMD's La Grange, Illinois

La Grange, Illinois

La Grange, a suburb of Chicago, is a village in Cook County, in the U.S. state of Illinois. The population was 15,608 at the 2000 census.-History:...

 plant. The F9 was also built in Canada by General Motors Diesel at their London, Ontario

London, Ontario

London is a city in Southwestern Ontario, Canada, situated along the Quebec City – Windsor Corridor. The city has a population of 352,395, and the metropolitan area has a population of 457,720, according to the 2006 Canadian census; the metro population in 2009 was estimated at 489,274. The city...

 plant. A total of 100 cab-equipped lead A unit

A unit

An A unit, in railroad terminology, is a locomotive equipped with a driving cab, or crew compartment, and the control system to control other locomotives in a multiple unit, and therefore able to be the lead unit in a consist of several locomotives controlled from a single position...

s and 154 cabless booster B unit

B unit

A "B" unit, in railroad terminology, is a locomotive unit which does not have a driving cab, or crew compartment, and must therefore be controlled from another, coupled locomotive with a driving cab . The term booster unit is also used. The concept was largely confined to North America...

s were built. The F9 was the fifth model in GM-EMD's highly successful "F" series of cab unit

Cab unit

A cab unit and a carbody unit are body styles of locomotives in railroad terminology. While closely related, they are not exactly the same....

 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

EMD 567

The EMD 567 is a line of diesel engines built by General Motors' Electro-Motive Division. This engine, which succeeded Winton's 201-A, was used in EMD's locomotives from 1938 until its replacement in 1966 by the EMD 645. It has a bore of , a stroke of and a displacement of 567 in³ per cylinder...

 prime mover increased power to 1,750hp from the F7's 1,500hp.

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

EMD GP9

An EMD GP9 is a four-axle diesel locomotive built by General Motors' Electro-Motive Division in the United States, and General Motors Diesel in Canada between January, 1954, and August, 1963. US production ended in December, 1959, while an additional thirteen units were built in Canada, including...

.

Locomotives built by EMD at La Grange, Illinois

Owner	Quantity A unit A unit An A unit, in railroad terminology, is a locomotive equipped with a driving cab, or crew compartment, and the control system to control other locomotives in a multiple unit, and therefore able to be the lead unit in a consist of several locomotives controlled from a single position... s	Quantity B unit B unit A "B" unit, in railroad terminology, is a locomotive unit which does not have a driving cab, or crew compartment, and must therefore be controlled from another, coupled locomotive with a driving cab . The term booster unit is also used. The concept was largely confined to North America... s	Road numbers A units	Road numbers B units	Notes
Electro Motive Division (demonstrator)	1	—	975	—	to NP 7050A (freight), Built 2/53
Electro Motive Division (plant)	(1)	—	462	—	Rebuilt 5/60 from C&NW F7 6501A
Atlantic Coast Line Atlantic Coast Line Railroad The Atlantic Coast Line Railroad was an American railroad that existed between 1900 and 1967, when it merged with the Seaboard Air Line Railroad, its long-time rival, to form the Seaboard Coast Line Railroad...	2	—	317, 417	—	Rebuilt from wrecked F7's
Atchison, Topeka and Santa Fe Railway Atchison, Topeka and Santa Fe Railway The Atchison, Topeka and Santa Fe Railway , often abbreviated as Santa Fe, was one of the larger railroads in the United States. The company was first chartered in February 1859...	18	18	281,C–289,C	281A,B–289A,B
Chicago and North Western	—	4	—	4051B–4054B	Ordered with FP9 EMD FP9 The EMD FP9 was a , B-B dual-service passenger and freight-hauling diesel locomotive produced between February 1954 and December 1959 by General Motors Electro-Motive Division, and General Motors Diesel. Final assembly was at GM-EMD's La Grange, Illinois plant, except for Canadian orders, which...
Clinchfield Railroad Clinchfield Railroad The Clinchfield Railroad was an operating and holding company for the Carolina, Clinchfield and Ohio Railway . The line ran from the coalfields of Virginia and Elkhorn City, Kentucky, to the textile mills of South Carolina...	—	5	—	864–868
Colorado and Southern Railway Colorado and Southern Railway The Colorado and Southern Railway was a railroad company in the western United States that operated independently from 1898 to 1908, then as part of the Chicago, Burlington and Quincy Railroad until it was absorbed into the Burlington Northern Railroad in 1981.The railway began as the...	1	—	700D	—	Rebuilt from wrecked F7
Denver and Rio Grande Western Railroad Denver and Rio Grande Western Railroad The Denver & Rio Grande Western Railroad , often shortened to Rio Grande or D&RGW, formerly the Denver & Rio Grande Railroad, is a defunct U.S. railroad company. The railroad started as a narrow gauge line running south from Denver, Colorado in 1870; however, served mainly as a transcontinental...	4	4	5531, 5571, 5771, 5774	5772, 5773, 5753, 5763	5571 rebuilt from wrecked F7
Erie Mining Company	5	6	100–104	200–205
Ferrocarriles Nacionales de México Ferrocarriles Nacionales de México Ferrocarriles Nacionales de México, was Mexico's state owned railroad company from 1938 to 1998, and prior to 1938 a major railroad controlled by the government that linked Mexico City to the major cities of Nuevo Laredo and Ciudad Juárez on the U.S. border...	10	10	7000A–7009A	7000B–7009B
Fort Worth and Denver Railway Fort Worth and Denver Railway The Fort Worth and Denver Railway , nicknamed "the Denver Road," was a class I American railroad company that operated in the northern part of Texas from 1881 to 1982, and had a profound influence on the early settlement and economic development of the region....	1	—	750A	—	Rebuilt from wrecked F7
Great Northern Railway	—	6	—	470B,C–474B,C (even)
Kansas City Southern Railway Kansas City Southern Railway The Kansas City Southern Railway , owned by Kansas City Southern Industries, is the smallest and second-oldest Class I railroad company still in operation. KCS was founded in 1887 and is currently operating in a region consisting of ten central U.S. states...	2	2	58D, 74D	55B, 70B	rebuilt from wrecked F3A,F7A,F3B F7B
Kansas City Southern (Louisiana and Arkansas Railway Louisiana and Arkansas Railway The Louisiana and Arkansas Railway was a railroad that operated in the states of Arkansas, Louisiana, and Texas. The railroad's main line extended 332 miles, from Hope, Arkansas to Shreveport and New Orleans... )	1	—	32A	—	rebuilt from wrecked F7
Louisville and Nashville Railroad Louisville and Nashville Railroad The Louisville and Nashville Railroad was a Class I railroad that operated freight and passenger services in the southeast United States.Chartered by the state of Kentucky in 1850, the L&N, as it was generally known, grew into one of the great success stories of American business...	9	4	811, 919–926	717–720	811 rebuilt from F7
Milwaukee Road Chicago, Milwaukee, St. Paul and Pacific Railroad The Milwaukee Road, officially the Chicago, Milwaukee, St. Paul and Pacific Railroad , was a Class I railroad that operated in the Midwest and Northwest of the United States from 1847 until its merger into the Soo Line Railroad on January 1, 1986. The company went through several official names...	6	6	81C–86C	81D–86D
Northern Pacific Railway Northern Pacific Railway The Northern Pacific Railway was a railway that operated in the west along the Canadian border of the United States. Construction began in 1870 and the main line opened all the way from the Great Lakes to the Pacific when former president Ulysses S. Grant drove in the final "golden spike" in...	30	30	7000A,D–7014A,D	7000B,C–7014B,C	Freight units
Northern Pacific Railway Northern Pacific Railway The Northern Pacific Railway was a railway that operated in the west along the Canadian border of the United States. Construction began in 1870 and the main line opened all the way from the Great Lakes to the Pacific when former president Ulysses S. Grant drove in the final "golden spike" in...	8	2	6700A,C–6701A,C, 6702A–6704A, 6500C	6700B–6701B	Passenger units
St. Louis-San Francisco Railway St. Louis-San Francisco Railway The St. Louis – San Francisco Railway , also known as the Frisco, was a railroad that operated in the Midwest and South Central U.S. from 1876 to 1980.-History:...	—	13	—	5140–5152
Wabash Railroad Wabash Railroad The Wabash Railroad was a Class I railroad that operated in the mid-central United States. It served a large area, including trackage in the states of Ohio, Indiana, Illinois, Iowa, Michigan, Missouri and Ontario. Its primary connections included Chicago, Illinois, Kansas City, Missouri, Detroit,...	1	—	1141A	—	Rebuilt from wrecked F7
Totals	99	110

Locomotives built by GMD at London, Ontario

Owner	Quantity A unit A unit An A unit, in railroad terminology, is a locomotive equipped with a driving cab, or crew compartment, and the control system to control other locomotives in a multiple unit, and therefore able to be the lead unit in a consist of several locomotives controlled from a single position... s	Quantity B unit B unit A "B" unit, in railroad terminology, is a locomotive unit which does not have a driving cab, or crew compartment, and must therefore be controlled from another, coupled locomotive with a driving cab . The term booster unit is also used. The concept was largely confined to North America... s	Road numbers A units	Road numbers B units	Notes
Canadian National	—	38	—	6600–6637	Passenger, ordered with FP9 EMD FP9 The EMD FP9 was a , B-B dual-service passenger and freight-hauling diesel locomotive produced between February 1954 and December 1959 by General Motors Electro-Motive Division, and General Motors Diesel. Final assembly was at GM-EMD's La Grange, Illinois plant, except for Canadian orders, which...
Canadian Pacific	—	8	—	1900–1907	Passenger, ordered with FP9 EMD FP9 The EMD FP9 was a , B-B dual-service passenger and freight-hauling diesel locomotive produced between February 1954 and December 1959 by General Motors Electro-Motive Division, and General Motors Diesel. Final assembly was at GM-EMD's La Grange, Illinois plant, except for Canadian orders, which...
Totals	0	46