World's largest locomotive
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As railroads around the world needed to haul larger quantities of freight efficiently, the title of world's largest locomotive has often been passed to new generations of rolling stock.
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[edit] Standard
It is very hard to determine what factor makes the locomotive largest: It could be the heaviest, longest, most cylinders, most horse power, or most wheels. It is often defined as the longest in absolute length, however there is even a debate on whether or not to include the tender in the measurement.
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| Name | Railroad | Road number | Builder | Build date | Engine type | Wheel arrangement | Weight | Power | Disposition |
|---|---|---|---|---|---|---|---|---|---|
| El Gobernador | Central Pacific | 237 | Central Pacific's Sacramento shops | February 1883 | Steam | 4-10-0 | 70 t | Scrapped July 15, 1894 | |
| Allegheny | Chesapeake and Ohio Railway (C&O) & Virginian Railway (VGN) | 1600 to 1659 (C&O) 900 to 907 (VGN) | Lima | 1941 – 1948 | Steam | 2-6-6-6 | 544 t | 7,500 horsepower (5,593 kW) | two in static display |
| Big Boy | Union Pacific | X4000 to X4024 | ALCO | 1941 – 1944 | Steam | 4-8-8-4 | 548 t | 6,290 horsepower (4,690 kW) | several in static display |
| XA Triplex | Virginian Railway | 700 | Baldwin | 1916 | Steam | 2-8-8-8-4 | 383 t | Unknown, Tractive Effort: 199,560 lb simple; 166,600 lb compound | Rebuilt into separate locomotives |
| Challenger | Union Pacific | 3985 | ALCO | 1936 – 1943 | Steam | 4-6-6-4 | 485 t | 6,200 horsepower (4,623 kW) | Operates in excursion service; largest operational steam locomotive as of 2007 |
| GTEL 8500 'Big Blow' | Union Pacific | 1-30 (control cab), 1B-30B (turbine unit) | General Electric | 1958-1961 | Gas turbine-electric | C-C+C-C | 8,469 horsepower (6,315 kW) | Two preserved in museums | |
| EMD DDA40X | Union Pacific | 6936 | Electro-Motive Division of General Motors | 1969 – 1971 | Diesel-electric | D-D | 244 t | 6,600 horsepower (4,922 kW) | Operates in excursion service; largest operational diesel locomotive and the most powerful |
| SJ Dm3 | Malmbanan | ASEA | 1953 – 1971 | Electric | 1'D+D+D1' | 273 t | 9,655 horsepower (7,200 kW) | Highest continuous tractive effort in the world when built, most powerful locomotive using jackshafts | |
| DB Class 103 | 1970 – 1973 | Electric | Co'Co' | 114 t | 9,977 horsepower (7,440 kW) | ||||
| SBB-CFF-FFS Re 620 | Gotthardbahn | BBC | 1972 – 1980 | Electric | Bo'Bo'Bo' | 120 t | 10,527 horsepower (7,850 kW) | Most powerful undividable locomotive in series production | |
| IORE | Malmbanan | Bombardier | 2000 – 2004 | Electric | Co'Co'+Co'Co' | 360 t | 14,483 horsepower (10,800 kW) for a pair, possible to operate halves which is not usually done |
Highest continuous tractive effort in the world |
[edit] See also
[edit] References
- Diebert, Timothy S. and Strapac, Joseph A. (1987). Southern Pacific Company Steam Locomotive Conpendium. Shade Tree Books. ISBN 0-930742-12-5.
