EMD F9

Specifications
Specifications
Configuration:;
• AAR	B-B
Gauge	4 ft 8+1⁄2 in (1,435 mm) standard gauge
Trucks	Blomberg B
Wheel diameter	40 in (1,016 mm)
Minimum curve	23° (250.79 ft or 76.44 m radius)
Wheelbase	39 ft (11.89 m)
Length	A unit, 50 ft 8 in (15.44 m) B unit, 50 ft 0 in (15.24 m)
Width	10 ft 8 in (3.25 m)
Height	15 ft (4.57 m)
Prime mover	EMD 567C
RPM range	275-835
Engine type	V16 Two-stroke diesel
Aspiration	Roots blower
Displacement	9,072 cu in (148.66 L; 32.70 imp gal)
Cylinders	16
Cylinder size	8+1⁄2 in × 10 in (216 mm × 254 mm)

Type and origin
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	101 A units, 156 B units

EMD F9
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.
Power type
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	101 A units, 156 B units
Configuration:;
Specifications
Configuration:;
• AAR	B-B
Gauge	4 ft 8+1⁄2 in (1,435 mm) standard gauge
Trucks	Blomberg B
Wheel diameter	40 in (1,016 mm)
Minimum curve	23° (250.79 ft or 76.44 m radius)
Wheelbase	39 ft (11.89 m)
Length	A unit, 50 ft 8 in (15.44 m) B unit, 50 ft 0 in (15.24 m)
Width	10 ft 8 in (3.25 m)
Height	15 ft (4.57 m)
Prime mover	EMD 567C
RPM range	275-835
Engine type	V16 Two-stroke diesel
Aspiration	Roots blower
Displacement	9,072 cu in (148.66 L; 32.70 imp gal)
Cylinders	16
Cylinder size	8+1⁄2 in × 10 in (216 mm × 254 mm)
Maximum speed
Performance figures
Maximum speed	65–105 mph (105–169 km/h)
Power output	1,750 hp (1.30 MW)
Locale
Career
Locale	North 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.

By the time cab units such as the F9 were built, railroads were turning to the road switcher-style of locomotive, as they had much better visibility from the cab without the need to lean out the window. The F9 was succeeded in most part by the EMD GP9.

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