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 | 471 |
| Gauge | 4 ft 8½ in (1435 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:
[edit] Roster of original orders
The following information is sorted by railroad and road number:
| United States orders | |||||
|---|---|---|---|---|---|
| Order number | Date | Serial numbers | Railroad | Road numbers | Quantity |
| 5421 | January 1956 | 21046, 21047 | Atlanta and St. Andrews Bay Railroad | 503-504 | 2 |
| 5562 | April 1958 | 24062 | Atlant and St. Andrews Bay Railroad | 505 | 1 |
| 5376 | December 1954 | 20121-20128 | Baltimore and Ohio Railroad | 765-766, 772, 767-771 | 8 |
| 5395 | April 1955 | 20451, 20452 | Baltimore and Ohio Railroad | 773-774 | 2 |
| 5313 | March 1954 | 18984-19003 | Chicago, Burlington and Quincy Railroad | 325-344 | 20 |
| 5399 | June-October 1955 | 20555-20584 | Chicago, Burlington and Quincy Railroad | 345-374 | 30 |
| 5547 | October 1957 | 23609-23618 | Chicago, Burlington and Quincy Railroad | 430-439 | 10 |
| 5549 | August-October 1957 | 23619-23638 | Chicago, Burlington and Quincy Railroad | 440-459 | 20 |
| 5482 | December 1956-January 1957 | 22403-22413 | Colorado and Southern Railroad | 820-830 | 11 |
| 5589 | April 1959 | 25011-25015 | Colorado and Southern Railroad | 831-835 | 5 |
| 5589 | April 1959 | 25156-25162 | Colorado and Southern Railroad | 836-842 | 7 |
| 5394 | March-June 1955 | 20445-20450 | Central of Georgia Railroad | 202-207 | 6 |
| 5406 | November 1955 | 20691-20695 | Chicago and Illinois Midland Railroad | 50-54 | 5 |
| 5339 | May 1954 | 19506, 19507 | Chicago and North Western Railway | 1701, 1702 | 2 |
| 5326 | May 1954 | 19498-19502 | Chicago and North Western Railway | 1703-1707 | 5 |
| 5338 | May 1954 | 19503-19507 | Chicago and North Western Railway | 1708-1710 | 3 |
| 5405 | October-November 1955 | 20687-20690 | Chicago and North Western Railway | 1721-1724 | 4 |
| 5456 | March-April 1956 | 21727-21735 | Duluth, Missabe and Iron Range Railroad | 101-109 | 9 |
| 5525 | January-March 1957 | 23099-23118 | Duluth, Missabe and Iron Range Railroad | 111-130 | 20 |
| 5555 | February-April 1958 | 23911-23937 | Duluth, Missabe and Iron Range Railroad | 131-157 | 27 |
| 5555 | April 1958 | 24487 | Duluth, Missabe and Iron Range Railroad | 158 | 1 |
| 5600 | April-May 1959 | 25259-25274 | Duluth, Missabe and Iron Range Railroad | 159-174 | 16 |
| 5507 | July 1957 | 22808-22817 | Denver and Rio Grande Western Railroad | 5305-5314 | 10 |
| 5526 | March 1957 | 23120-23122 | Elgin, Joliet and Eastern Railroad | 600-602 | 3 |
| 6533 | July 1955 | 20655 | General Motors Electro-Motive Division (EMDX) | 5591 (became DMIR 110) | 1 |
| 5285 | February 1954 | 19340-19345 | Great Northern Railway | 573-578 | 6 |
| 5431 | May 1956 | 21247-21251 | Great Northern Railway | 579-583 | 5 |
| 5488 | January 1957 | 22486-22491 | Great Northern Railway | 584-589 | 6 |
| 5564 | April 1958 | 24092-24099 | Great Northern Railway | 590-597 | 8 |
| 5577 | April 1958 | 24100, 24101 | Great Northern Railway | 598, 599 | 2 |
| 5287 | January-February 1954 | 18769-18782 | Milwaukee Road | 2224-2237 | 14 |
| 5532 | March-April 1957 | 23155-23174 | Nickel Plate Road | 340-359 | 20 |
| 5567 | November1957-January 1958 | 24167-24191 | Pennsylvania Railroad | 7600-7624 | 25 |
| 5567 | Cancelled order | 24192-24216 | Pennsylvania Railroad | (25) | |
| 5389 | June 1955 | 19989-19991 | RSMX | 1220-1222 | 3 |
| 5423 | May 1956 | 21066 | RSMX | 1223 | 1 |
| 5485 | December 1956 | 22417 | RSMX | 1224 | 1 |
| 5603 | June 1959 | 25436 | RSMX | 1225 | 1 |
| 5375 | December 1954 | 20120 | Soo Line Railroad | 2381 | 1 |
| 5322 | March-May 1954 | 19429-19460 | Southern Pacific Railroad | 5340-5371 | 32 |
| 5381 | January-May 1955 | 20223-20237 | Southern Pacific Railroad | 5372-5386 | 15 |
| 5382 | Cancelled order | 20238-20241 | Southern Pacific Railroad | (4) | |
| 5365 | February 1954-April 1955 | 19928-19958 | Southern Pacific Railroad | 5387-5417 | 31 |
| 5365 | April 1955 | 19983-19988 | Southern Pacific Railroad | 5418-5423 | 6 |
| 5365 | January-May 1955 | 20202-20222 | Southern Pacific Railroad | 5424-5444 | 21 |
| 5434 | January-February 1956 | 21274-21288 | Southern Pacific Railroad | 5449-5463 | 15 |
| 5435 | February-May 1956 | 21289-21318 | Southern Pacific Railroad | 5464-5493 | 30 |
| Export orders | ||||||
|---|---|---|---|---|---|---|
| Order number | Order date | Serial numbers | Country | Railroad | Road numbers | Quantity |
| 701157-701159 | March 1956 | 21484-21486 | Chile | Chile Exploration | 901-903 | 3 |
| 701186, 701187 | May 1956 | 21562, 21563 | Chile | Chile Exploration | 904, 905 | 2 |
| 701530-701549 | May-July 1957 | 23481-23500 | Korea | Korail | 101-120 (became 5001~5020) | 20 |
| 701638-701646 | October 1957 | 23897-23905 | Korea | Korail | 121-129 (became 5021~5029) | 9 |
| 701322-701325 | May 1956 | 21942-21945 | Venezuela | Orinoco Mining | 1011-1014 | 4 |
| 701495-701497 | May 1957 | 23400-23402 | Venezuela | Orinoco Mining | 1015-1017 | 3 |
| 701763-701765 | May 1958 | 24574-24576 | Venezuela | Orinoco Mining | 1018-1020 | 3 |
[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
Six-axle road power: SD7 · SD9 · SD18 · SD24 · SD28 · SD35 · SDP35 · SD38 · SD38AC · SD38-2 · SD39 · SDL39 · SD40 · SD40X · SD40A · SD40-2 · SD40-2W · SD40T-2 · SD40-2S · SDP40 · SD45 · SD45X · SD45-2 · SD45T-2 · SDP45 · SD50 · SD60 · SD70 · SD70I · SD70M · SD70MAC · SD70M-2 · SD70ACe · SD75M · SD75I · SD80MAC · SD90MAC
Eight-axle road power: DD35 · DD35A · DDA40X · DDM45
See also: List of GM-EMD locomotives
