EMD F9
D&RGW F9 #5771 in 2009. Note the carbody filter grille ahead of the front porthole, the only reliable distinguishing feature of an F9.
Type and origin
Power typeDiesel-electric
BuilderGeneral Motors Electro-Motive Division (EMD)
General Motors Diesel (GMD, Canada)
ModelF9
Build dateFebruary 1953 – May 1960
Total produced101 A units, 156 B units
Specifications
Configuration:
​
 • AARB-B
Gauge4 ft 8+1⁄2 in (1,435 mm) standard gauge
TrucksBlomberg B
Wheel diameter40 in (1,016 mm)
Minimum curve23° (250.79 ft or 76.44 m radius)
Wheelbase39 ft (11.89 m)
LengthA unit, 50 ft 8 in (15.44 m) B unit, 50 ft 0 in (15.24 m)
Width10 ft 8 in (3.25 m)
Height15 ft (4.57 m)
Prime moverEMD 567C
RPM range275-835
Engine typeV16 Two-stroke diesel
AspirationRoots blower
Displacement9,072 cu in (148.66 L; 32.70 imp gal)
Cylinders16
Cylinder size8+1⁄2 in × 10 in (216 mm × 254 mm)
Performance figures
Maximum speed65–105 mph (105–169 km/h)
Power output1,750 hp (1.30 MW)
Career
LocaleNorth America

The EMD F9 is 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 101 cab-equipped lead A units and 156 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.

An 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 (1.30 MW) from the F7's 1,500 hp (1.12 MW).

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 (1.30 MW) at 800 rpm. The 567 was designed specifically for locomotive applications, being a 45 degree V-type two-stroke design, 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]

Original buyers

Locomotives built by EMD at La Grange, Illinois

OwnerQuantity A unitsQuantity B unitsRoad numbers A unitsRoad numbers B unitsNotes
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 Line2—317:3, 417:2—Rebuilt May 1957 from wrecked F7's; same numbers.
Atchison, Topeka and Santa Fe Railway1818281,C–289,C281A,B–289A,BFreight units, operated primarily in Texas.
Chesapeake and Ohio Railway207032-7033Rebuilt February 1955 from wrecked F7s
Chicago and North Western—4—4051B–4054BBuilt from trade-in FTs alongside four FP9 and rated at 1500 hp.
Clinchfield Railroad—5—864–868
Colorado and Southern Railway1—700D—Rebuilt March 1959 from wrecked F7
Denver and Rio Grande Western Railroad445531, 5571, 5771, 57745772, 5773, 5753, 57635571 rebuilt February 1954 from wrecked F7 and rated at 1500 hp. 5771 preserved.
Erie Mining Company56100–104200–205Now used by the Nickel Plate Express in Noblesville, Indiana.[3]
Ferrocarriles Nacionales de México10107000A–7009A7000B–7009B
Fort Worth and Denver Railway1—750A—Rebuilt March 1959 from wrecked F7
Great Northern Railway—6—470B,C–474B,C (even)
Kansas City Southern Railway2258D, 74D55B, 70Brebuilt from wrecked F3A,F7A,F3B F7B
Kansas City Southern (Louisiana and Arkansas Railway)1—32A—rebuilt from wrecked F7
Louisville and Nashville Railroad94811, 919–926717–720811 rebuilt from F7
Milwaukee Road6681C–86C81D–86D83c and 84c renumbered to 93c and 94A, for commuter service
Missouri–Kansas–Texas Railroad—4— 226B–229B
Northern Pacific Railway30307000A,D–7014A,D7000B,C–7014B,CFreight units
Northern Pacific Railway826700A,C–6701A,C, 6702A–6704A, 6500C6700B–6701BPassenger units
St. Louis-San Francisco Railway—13—5140–5152
Wabash Railroad1—1141A—Rebuilt March 1959 from wrecked F7
Totals101110

Locomotives built by GMD at London, Ontario

OwnerQuantity A unitsQuantity B unitsRoad numbers A unitsRoad numbers B unitsNotes
Canadian National0386600-6637Passenger, ordered with FP9
Canadian Pacific08—1900–1907Passenger, ordered with FP9
Totals046

See also

References

Notes

  1. ↑ Pinkpank, Jerry A (1973). The Second Diesel Spotter's Guide. Kalmbach Books. pp. 13, 26, 90–101. ISBN 0-89024-026-4.
  2. ↑ Ross, David, ed. (2003). The Encyclopedia of Trains and Locomotives. Barnes & Noble. pp. 261, 273. ISBN 978-0-7607-9679-5.
  3. ↑ "Equipment". Nickel Plate Express. Retrieved 7 October 2022.

Bibliography

  • Lamb, J. Parker (2007). Evolution of the American Diesel Locomotive. Railroads Past and Present. Bloomington, Indiana: Indiana University Press. ISBN 978-0-253-34863-0.
  • Marre, Louis A. (1995). Diesel Locomotives: The First 50 Years: A Guide to Diesels Built Before 1972. Railroad Reference Series. Waukesha, Wisconsin: Kalmbach Publishing. ISBN 978-0-89024-258-2.
  • Pinkepank, Jerry A. (1973). The Second Diesel Spotter's Guide. Milwaukee, Wisconsin: Kalmbach Publishing. ISBN 978-0-89024-026-7.
  • Schafer, Mike (1998). Vintage Diesel Locomotives. Enthusiast Color Series. Osceola, Wisconsin: MBI Publishing. ISBN 978-0-7603-0507-2.
  • Solomon, Brian (2000). The American Diesel Locomotive. Osceola, Wisconsin: MBI Publishing Company. ISBN 978-0-7603-0666-6.
  • Solomon, Brian (2005). EMD F-Unit Locomotives. North Branch, Minnesota: Specialty Press. ISBN 978-1-58007-192-5.
  • Solomon, Brian (2006). EMD Locomotives. St. Paul, Minnesota: Voyageur Press. ISBN 978-0-7603-2396-0.
  • Solomon, Brian (2010). Vintage Diesel Power. Minneapolis, Minnesota: MBI Publishing. ISBN 978-0-7603-3795-0.
  • Solomon, Brian (2011). Electro-Motive E-Units and F-Units: The Illustrated History of North America's Favorite Locomotives. Minneapolis, Minnesota: Voyageur Press. ISBN 978-0-7603-4007-3.
  • Solomon, Brian (2012). North American Locomotives: A Railroad-by-Railroad Photohistory. Minneapolis, Minnesota: Voyageur Press. ISBN 978-0-7603-4370-8.
  • Wilson, Jeff (1999). F Units: The Diesels That Did It. Golden Years of Railroading. Waukesha, Wisconsin: Kalmbach Publishing. ISBN 978-0-89024-374-9.
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