ALCO RSD-12 | |||||||||||||||||
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Ferrocarril del Pacifico 504 in Nogales, Sonora, Mexico, in March 1979 | |||||||||||||||||
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The ALCO RSD-12 was a C-C diesel-electric locomotive rated at 1,800 horsepower (1.34 MW). 171 locomotives were produced —Used in much the same manner as its four-axle counterpart, the ALCO RS-11, though the six-motor design allowed better tractive effort at lower speeds.
Railroad | Quantity | Road numbers | Notes |
---|---|---|---|
Chesapeake and Ohio Railway | 10 | 6700–6709 | Renumbered 2007–2016, 2014 and 2016 were sold to Baltimore and Ohio Railroad, then were purchased by Utah Railway on February 23, 1976. |
Lake Superior and Ishpeming Railroad | 4 | 1801–1804 | |
New York, Chicago and St. Louis Railroad (“Nickel Plate Road”) | 9 | 325–333 | to Norfolk and Western Railway 2325-2333 in 1964 |
Pennsylvania Railroad | 25 | 8655–8679 | to Penn Central 6855–6879; then to Conrail 1101-1123 and rebuilt into Alco mt6. 14 went to Norfolk Southern and 9 to CSX 1006-1016 with two retired upon Conrail purchase. All retired in 2020. |
Southern Pacific Company | 21 | 7000–7020 | Renumbered 2950–2970, rebuilt from RSD-5 locomotives with a new motor and carbody, retaining generators and bogeys [1] [2] |
Ferrocarril del Pacífico | 19 | 1502–1508, 509–520 | |
Ferrocarriles Nacionales de México | 73 | 7400–7472 | |
Companhia Siderúrgica Nacional (Brazil) | 10 | 3501–3510 | Built by MLW, 1,600 mm (5 ft 3 in); to RFFSA pt:ALCo RSD-12 |
Total | 171 |
•
Nickel Plate Road #329 is preserved at a museum in
Bellevue, Ohio.
• Southern Pacific #2954 and #2958 are preserved at the Southern California Railroad Museum in Perris, California. Both of these units are rebuilt from RSD-5s.
• Paperton Junction Southern (ex-SP #2962) is preserved at the Arkansas Railroad Museum in Pine Bluff, Arkansas.
• Lake Superior & Ishpeming #1804 partially survives in a shipyard in Escanaba, Michigan. It has no prime mover.
ALCO RSD-12 | |||||||||||||||||
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![]()
Ferrocarril del Pacifico 504 in Nogales, Sonora, Mexico, in March 1979 | |||||||||||||||||
| |||||||||||||||||
| |||||||||||||||||
|
The ALCO RSD-12 was a C-C diesel-electric locomotive rated at 1,800 horsepower (1.34 MW). 171 locomotives were produced —Used in much the same manner as its four-axle counterpart, the ALCO RS-11, though the six-motor design allowed better tractive effort at lower speeds.
Railroad | Quantity | Road numbers | Notes |
---|---|---|---|
Chesapeake and Ohio Railway | 10 | 6700–6709 | Renumbered 2007–2016, 2014 and 2016 were sold to Baltimore and Ohio Railroad, then were purchased by Utah Railway on February 23, 1976. |
Lake Superior and Ishpeming Railroad | 4 | 1801–1804 | |
New York, Chicago and St. Louis Railroad (“Nickel Plate Road”) | 9 | 325–333 | to Norfolk and Western Railway 2325-2333 in 1964 |
Pennsylvania Railroad | 25 | 8655–8679 | to Penn Central 6855–6879; then to Conrail 1101-1123 and rebuilt into Alco mt6. 14 went to Norfolk Southern and 9 to CSX 1006-1016 with two retired upon Conrail purchase. All retired in 2020. |
Southern Pacific Company | 21 | 7000–7020 | Renumbered 2950–2970, rebuilt from RSD-5 locomotives with a new motor and carbody, retaining generators and bogeys [1] [2] |
Ferrocarril del Pacífico | 19 | 1502–1508, 509–520 | |
Ferrocarriles Nacionales de México | 73 | 7400–7472 | |
Companhia Siderúrgica Nacional (Brazil) | 10 | 3501–3510 | Built by MLW, 1,600 mm (5 ft 3 in); to RFFSA pt:ALCo RSD-12 |
Total | 171 |
•
Nickel Plate Road #329 is preserved at a museum in
Bellevue, Ohio.
• Southern Pacific #2954 and #2958 are preserved at the Southern California Railroad Museum in Perris, California. Both of these units are rebuilt from RSD-5s.
• Paperton Junction Southern (ex-SP #2962) is preserved at the Arkansas Railroad Museum in Pine Bluff, Arkansas.
• Lake Superior & Ishpeming #1804 partially survives in a shipyard in Escanaba, Michigan. It has no prime mover.