EMD F9.html



EMD F9

D&RGW F9 #5771, 1960. Note the carbody filter grille ahead of the front porthole, the only reliable distinguishing feature of an F9.
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 production	100 A units, 154 B units
AAR wheel arr.	B-B
Gauge	4 ft 8½ in (1,435 mm)
Prime mover	EMD 567C
Engine type	Two-stroke diesel
Cylinders	V16
Power output	1,750 hp (1.30 MW)

The EMD F9 was a 1,750hp B-B freight-hauling diesel locomotive built between February 1953 and May 1960 by General Motors Electro-Motive Division. Final assembly was at GM-EMD's La Grange, Illinois plant. The F9B model 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-unit 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 1,750hp 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.

Original buyers

Locomotives built by EMD at La Grange, Illinois

Locomotives built by GMD at London, Ontario

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EMD F9 locomotives

References

• Pinkepank, Jerry A. (1973). The Second Diesel Spotter's Guide. Kalmbach Publishing Co., Milwaukee, WI. ISBN 0-89024-026-4.