BN EMD F9 No. 9814 leads an eastbound North Coast Limited at Pasco, Washington in August of 1970. Photo by Drew Jacksich.
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Erie Mining Company EMD F9 No. 4211 leading a Streamliner special to Two Harbors, July 11, 2014. Photo by Keon McGarvey.

By Keon McGarvey (Own work) [CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons

EMD F9 Diesel Locomotive
The EMD F9 was a 1,750 horsepower 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.

Engine and powertrain
The F9 used a 16 cylinder 567C series diesel engine developing 1,750 hp at 800 rpm. The 567 was designed specifically for railroad locomotives, a supercharged 2 stroke 45 degree V type with 567 cubic inch displacement per cylinder, for a total of 9,072 cu in. 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
Electro Motive Division (demonstrator)
Quantity A units: 1
Road numbers A units: 975
Notes: to NP 7050A (freight), Built 2/53.

Electro Motive Division (plant)
Quantity A units: (1)
Road numbers A units: 462
Notes: Rebuilt 5/60 from C&NW F7 6501A.

Atlantic Coast Line
Quantity A units: 2
Road numbers A units: 317:3, 417:2
Notes: Rebuilt May 1957 from wrecked F7's; same numbers.

Atchison, Topeka and Santa Fe Railway
Quantity A units: 18
Quantity B units: 18
Road numbers A units: 281,C–289,C
Road numbers B units: 281A,B–289A,B

Chicago and North Western
Quantity B units: 4
Road numbers B units: 4051B–4054B
Notes: Ordered with FP9.

Clinchfield Railroad
Quantity B units: 5
Road numbers B units: 864–868

Colorado and Southern Railway
Quantity A units: 1
Road numbers A units: 700D
Notes: Rebuilt from wrecked F7.

Denver and Rio Grande Western Railroad
Quantity A units: 4
Quantity B units: 4
Road numbers A units: 5531, 5571, 5771, 5774
Road numbers B units: 5772, 5773, 5753, 5763
Notes: 5571 rebuilt from wrecked F7.

Erie Mining Company
Quantity A units: 5
Quantity B units: 6
Road numbers A units: 100–104
Road numbers B units: 200–205

Ferrocarriles Nacionales de México (NdeM)
Quantity A units: 10
Quantity B units: 10
Road numbers A units: 7000A–7009A
Road numbers B units: 7000B–7009B

Fort Worth and Denver Railway
Quantity A units: 1
Road numbers A units: 750A
Notes: Rebuilt from wrecked F7.

Great Northern Railway
Quantity B units: 6
Road numbers B units: 470B,C–474B,C (even)

Kansas City Southern Railway
Quantity A units: 2
Quantity B units: 2
Road numbers A units: 58D, 74D
Road numbers B units: 55B, 70B
Notes: rebuilt from wrecked F3A,F7A,F3B F7B.

Kansas City Southern (Louisiana and Arkansas Railway)
Quantity A units: 1
Road numbers A units: 32A
Notes: rebuilt from wrecked F7.

Louisville and Nashville Railroad
Quantity A units: 9
Quantity B units: 4
Road numbers A units: 811, 919–926
Road numbers B units: 717–720
Notes: 811 rebuilt from F7.

Milwaukee Road (Chicago, Milwaukee, St. Paul & Pacific)
Quantity A units: 6
Quantity B units: 6
Road numbers A units: 81C–86C
Road numbers B units: 81D–86D

Northern Pacific Railway
Quantity A units: 30
Quantity B units: 30
Road numbers A units: 7000A,D–7014A,D
Road numbers B units: 7000B,C–7014B,C
Notes: Freight units.

Northern Pacific Railway
Quantity A units: 8
Quantity B units: 2
Road numbers A units: 6700A,C–6701A,C, 6702A–6704A, 6500C
Road numbers B units: 6700B–6701B
Notes: Passenger units.

St. Louis-San Francisco Railway (Frisco)
Quantity B units: 13
Road numbers B units: 5140–5152

Wabash Railroad
Quantity A units: 1
Road numbers A units: 1141A
Notes: Rebuilt from wrecked F7.

Total A units: 99, Total B units: 110

Locomotives built by GMD at London, Ontario
Canadian National
Quantity B units: 38
Road numbers B units: 6600–6637
Notes: Passenger, ordered with FP9.

Canadian Pacific
Quantity B units: 8
Road numbers B units: 1900–1907
Notes: Passenger, ordered with FP9.

Total GMD A units: 0, Total GMD B units: 46

EMD F9 Overview
Type and origin
Power type: Diesel-electric
Builder: General Motors Electro-Motive Division (EMD), General Motors Diesel (GMD, Canada)
Model: F9
Build date: February 1953 – May 1960
Total produced: 99 A units, 156 B units
Specifications
AAR wheel arrangement: B-B
Gauge: 4 ft 8 1⁄2 in
Trucks: Blomberg B
Wheel diameter: 40 in
Minimum curve: 23° (250.79 ft)
Wheelbase: 39 ft
Length: A unit, 50 ft 8 in, B unit, 50 ft 0 in
Width: 10 ft 8 in
Height: 15 ft
Prime mover: EMD 567C
RPM range: 275-835
Engine type: V16 Two-stroke diesel
Aspiration: Roots-type supercharger
Displacement: 9,072 cu in
Cylinders: 16
Cylinder size: 8 1⁄2 in × 10 in
Performance figures
Maximum speed: 65 mph
Power output: 1,750 hp
Career
Locale: North America

See also:
EMD

EMD locomotives

Diesel Locomotives


D&RGW F9 No. 5771, 2009. Note the carbody filter grille ahead of the front porthole, the only reliable distinguishing feature of an F9.
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D&RGW F9 No. 5771, 2009. Note the carbody filter grille ahead of the front porthole, the only reliable distinguishing feature of an F9.

By Laura Scudder - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=5634752

EMD Advertising, 1956-1957.

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Classic Streamliners - TRAIN​CYCLOPEDIA

BN EMD F9 No. 9814 leads an eastbound North Coast Limited at Pasco, Washington in August of 1970. Photo by Drew Jacksich.

By Drew Jacksich from San Jose, CA, The Republic of California (9814 Pasco Aug 70) [CC BY-SA 2.0 (http://creativecommons.org/licenses/by-sa/2.0)], via Wikimedia Commons