EMD FP9 Diesel Locomotive
The EMD FP9 was a 1,750 horsepower, B-B dual-service passenger and freight-hauling diesel locomotive produced between February 1954 and December 1959 by General Motors Electro-Motive Division, and General Motors Diesel. Final assembly was at GM-EMD's La Grange, Illinois plant, except for Canadian orders, which were assembled by Canadian subsidiary GMD at London, Ontario. The FP9 was essentially EMD's F9 locomotive extended by four feet to give greater steam generator and water capacity for hauling passenger trains. A total of 90 cab-equipped lead A units were built; unlike the freight series, no cabless booster B units were sold. Regular F9B units were sometimes used with FP9 A units, since they, lacking cabs, had more room for water and steam generators. The FP9 and its predecessor, the FP7, were offshoots of GM-EMD's highly successful F-unit series of cab unit diesel locomotives.

Identification
Just as in the previous FP7, the FP9's carbody is essentially the F9's with 4 feet (1.22 m) extra added a little behind the cab, just aft of the forward truck. Unlike the FP7, the forward porthole window is relocated so that it is better balanced in the space, but there is still more room between the porthole and the first carbody filter grille behind it; it is just less obvious. As on the F9, there is now a carbody filter grille before the window as well.

Original buyers

Locomotives built by EMD at La Grange, Illinois
Chicago & North Western Railway
A units: 4
B units: 4
A unit Road Numbers: 4051A–4054A
B unit Road Numbers: 4051B–4054B
Note: Built from trade-in FTs and rated at 1500 hp. "Diesel Spotters' Guide" counts these as FP7.

Ferrocarriles Nacionales de México (NdeM)

A units: 25
A unit Road Numbers: 7010–7034

Saudi Government Railways

A units: 7
A unit Road Numbers: 1502–1508

Total A units: 36, Total B units: 4

Locomotives built by GMD at London, Ontario

Canadian National Railways
A units: 43
B units: 38
A unit Road Numbers: 6500–6542
B unit Road Numbers: 6600–6637
Note: Model FP9ARM, 15 units were rebuilt in the 1980s with EMD 645C power up to 1800 HP.

Canadian Pacific Railway

A units: 11
B units: 8
A unit Road Numbers: 1405–1415
B unit Road Numbers: 1900–1907

Total A units: 54, Total B units: 46

EMD FP9 Overview

Type and origin
Power type: Diesel-electric
Builder: General Motors Electro-Motive Division (EMD), General Motors Diesel (GMD, Canada)
Model: FP9
Build date: February 1954 – December 1959
Total produced: 90
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 or 76.44 m radius)
Wheelbase: 43 ft (13.11 m)
Length: 55 ft 2 1⁄4 in (16.82 m)
Width: 10 ft 8 in (3.25 m)
Height: 15 ft (4.57 m)
Locomotive weight: 260,000 lb (120,000 kg)
Fuel capacity: 1,200 US gal (4,500 L; 1,000 imp gal)
Prime mover: EMD 567C
Engine RPM range: 800
Engine type: V16 Two-stroke diesel
Aspiration Roots-type supercharger
Displacement: 9,072 cu in (148.66 L)
Generator: EMD D-12
Traction motors: (4) EMD D-37
Cylinders: 16
Cylinder size: 8 1⁄2 in × 10 in (216 mm × 254 mm)
Performance figures
Power output: 1,750 horsepower (1,300 kW)
Career
Locale: U.S.A., Canada, Mexico, Saudi Arabia

See also:

VIA FP9ARM

EMD Diesels

EMD

Diesel Locomotives

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Kansas City Southern Railway's KCS 1 "Shreveport" leading the Southern Belle business train.

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NdeM FP9 Number 7020 at the Mexican National Railroad Museum (Museo Nacional de los Ferrocarriles Mexicanos), Puebla, Mexico.
RLGN EMD FP9 No. 1400 (originally CN No. 6539) in 2003 at Waterloo, Ontario.

NdeM FP9 Number 7020 at the Mexican National Railroad Museum (Museo Nacional de los Ferrocarriles Mexicanos), Puebla, Mexico.

By Hernán García Crespo from DF, Mexico (Trains México  Uploaded by oaktree_b) [CC BY 2.0 (http://creativecommons.org/licenses/by/2.0)], via Wikimedia Commons

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RLGN EMD FP9 No. 1400 (originally CN No. 6539) in 2003 at Waterloo, Ontario.
By The original uploader was JYolkowski at English Wikipedia - Transferred from en.wikipedia to Commons., CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=2283526