List of largest locomotives List List

| name_ | railway | series | maker | dates | drive | wheel_arrangement | weight | power_ | notes_ |
|---|---|---|---|---|---|---|---|---|---|
| EMD DDA40X | Union Pacific | 6900-6947 | Electro-Motive Division of General Motors | 1969–71 | Diesel-electric | D-D | 244 t | 6,600 horsepower (4,922 kW) | One operational, several in museums; largest operational single-unit diesel locomotive and the most powerful |
| SJ Dm3 | Malmbanan |  | ASEA | 1953–71 | Electric | 1`D+D+D1` | 273 t | 9,655 horsepower (7,200 kW) | Highest continuous tractive effort when built, most powerful locomotive using jackshafts |
| DB Class 103 |  |  |  | 1970–73 | Electric | Co`Co` | 114 t | 9,977 horsepower (7,440 kW) |  |
| 060-EA | Romanian Railways(CFR) | 001-1000 | Electroputere Craiova | 1970-91 | Electric | Co`Co` | 120 t | 6,839 horsepower (5,100 kW) | Most powerful locomotive in 1970s; highest continuous tractive effort |
| 060-EA Softronic Phoenix version | Romanian Railways (CFR) and Hungarian State Railways ( MÁV ) | 001, 2001-2004 | Softronic Craiova | 2009–present | Electric | Co`Co` | 120 t | 8,851 horsepower (6,600 kW) | Most powerful locomotive with highest continuous tractive effort |