EMD SD9
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| Power type | Diesel-electric |
|---|---|
| Builder | General Motors Electro-Motive Division (EMD) |
| Model | SD9 |
| Build date | January 1954 – June 1959 |
| Total production | 515 |
| AAR wheel arr. | C-C |
| Gauge | 4 ft 8½ in (1,435 mm) |
| Prime mover | EMD 567C |
| Cylinders | V16 |
| Power output | 1,750 hp (1.3 MW) |
| Disposition | Many have been rebuilt, and are still in service. |
An EMD SD9 is a 6-axle diesel locomotive built by General Motors Electro-Motive Division between January 1954 and June 1959. Power was provided by an EMD 567C 16-cylinder engine which generated 1750 horsepower (1.3 MW). This model is, externally, similar to its predecessor, the SD7. The principal spotting feature are the classification lights on the ends of the locomotive, above the number board. The SD9's classification lights are on a small pod, canted outward. The last phase of construction had a modified carbody similar to the SD18 and SD24, and used 2 48-inch cooling fans instead of 4 36-inch cooling fans.
471 examples of this locomotive model were built for American railroads, and 44 for export.
[edit] Original Buyers
| Owner | Quantity | Numbers | Notes |
|---|---|---|---|
| Atlanta and St. Andrews Bay Railroad | 3 | 503-505 | |
| Baltimore and Ohio Railroad | 10 | 765-774 | |
| Chicago, Burlington and Quincy Railroad | 80 | 325-374, 430-459 | |
| Colorado and Southern Railroad | 23 | 820-842 | |
| Central of Georgia Railroad | 6 | 202-207 | |
| Chicago and Illinois Midland Railroad | 5 | 50-54 | |
| Chicago and North Western Railway | 14 | 1701-1710, 1721-1724 | |
| Chicago, Milwaukee, St. Paul and Pacific Railroad | 14 | 2224-2237 | |
| Chile Exploration | 5 | 901-905 | |
| Duluth, Missabe and Iron Range Railroad | 74 | 101-174 | 110 ex EMD (demonstrator) 5591 |
| Denver and Rio Grande Western Railroad | 10 | 5305-5314 | |
| Elgin, Joliet and Eastern Railroad | 3 | 600-602 | |
| Great Northern Railway | 27 | 573-599 | |
| Korail (Korea) | 29 | 101-129 | |
| Nickel Plate Road | 20 | 340-359 | |
| Orinoco Mining (Venezuela) | 10 | 1011-1020 | |
| Pennsylvania Railroad | 25 | 7600-7624 | |
| RSMX Reserve Mining | 6 | 1220-1225 | |
| Soo Line Railroad | 1 | 2381 | |
| Southern Pacific Railroad | 150 | 5340-5444, 5449-5493 |
[edit] Preservation
Some SD9 locomotives can be found in museums and on tourist lines.
Colorado & Southern 839, later Burlington Northern 6234, was donated by successor Burlington Northern Santa Fe Corp. to the Minnesota Transportation Museum. It now operates on the museum's Osceola and St Croix Valley Railway. 6234 is an example of the last SD9 locomotives produced, which used the SD18 carbody. The Nevada Northern Railway uses an ex-SP SD9 occasionally to pull their passenger trains.
[edit] References
- Pinkepank, Jerry A. (1973). The Second Diesel Spotter's Guide. Milwaukee, WI: Kalmbach Publishing Co.. ISBN 0-89024-026-4.
- Sarberenyi, Robert. EMD SD9 Original Owners. Retrieved on August 27, 2006
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