EMD F9

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EMD F9
Crm california zephyr.jpg
D&RGW F9 #5771, 2009. Note the carbody filter grille ahead of the front porthole, the only reliable distinguishing feature of an F9.
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 arr B-B
Gauge 4 ft 8 12 in (1,435 mm)
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-type supercharger
Displacement 9,072 cu in (148.66 L; 32.70 imp gal)
Cylinders 16
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Performance figures
Maximum speed 65 mph (105 km/h)
Power output 1,750 hp (1.30 MW)
Career
Locale North America

The EMD F9 was 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 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 (1.30 MW) at 800 rpm. The 567 was designed specifically for railroad locomotives, a supercharged 2 stroke 45 degree V type 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] [3] [4]

Original buyers

Locomotives built by EMD at La Grange, Illinois

Owner Quantity A units Quantity B units 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
2
317:3, 417:2
Rebuilt May 1957 from wrecked F7's; same numbers.
Atchison, Topeka and Santa Fe Railway
18
18
281,C–289,C
281A,B–289A,B
Chicago and North Western
4
4051B–4054B
Ordered with FP9
Clinchfield Railroad
5
864–868
Colorado and Southern Railway
1
700D
Rebuilt from wrecked F7
Denver and Rio Grande Western Railroad
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
10
10
7000A–7009A
7000B–7009B
Fort Worth and Denver Railway
1
750A
Rebuilt from wrecked F7
Great Northern Railway
6
470B,C–474B,C (even)
Kansas City Southern Railway
2
2
58D, 74D
55B, 70B
rebuilt from wrecked F3A,F7A,F3B F7B
Kansas City Southern (Louisiana and Arkansas Railway)
1
32A
rebuilt from wrecked F7
Louisville and Nashville Railroad
9
4
811, 919–926
717–720
811 rebuilt from F7
Milwaukee Road
6
6
81C–86C
81D–86D
Northern Pacific Railway
30
30
7000A,D–7014A,D
7000B,C–7014B,C
Freight units
Northern Pacific Railway
8
2
6700A,C–6701A,C, 6702A–6704A, 6500C
6700B–6701B
Passenger units
St. Louis-San Francisco Railway
13
5140–5152
Wabash Railroad
1
1141A
Rebuilt from wrecked F7
Totals 99 110

Locomotives built by GMD at London, Ontario

Owner Quantity A units Quantity B units Road numbers A units Road numbers B units Notes
Canadian National
38
6600–6637
Passenger, ordered with FP9
Canadian Pacific
8
1900–1907
Passenger, ordered with FP9
Totals 0 46

See also

References

Notes

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Bibliography

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External links