List of largest locomotives List List

| name_ | railway | series | maker | dates | drive | wheel_arrangement | weight | power_ | notes_ |
|---|---|---|---|---|---|---|---|---|---|
| Ae 6/6 | SBB, Switzerland | 11401-11520 | SLM, MFO/ BBC | 1952; 1955–66 | electric | Co-Co | 120 t | 6,000 horsepower (4,474 kW) [Tractive force: 392 kN (40 tons) | still in operation (October 2012) |
| Ae 6/8 | BLS, Switzerland | 201-208 | SLM / Sécheron | 1939 | electric | (1`Co)(Co1`) | 140 t | 6,000 horsepower (4,474 kW), tractive force 353 kN (36 tons) | 2 remain in working order as heritage locos |
| Ae 8/14 | SBB, Switzerland | 11852 | SLM, MFO/ BBC | 1939 | electric | (1`A)A1`A(A1`)+(1`A)A1`A(A1`) | 236 t | 11,000 horsepower (8,203 kW), Tractive force: 490 kN (50 tons) | Exhibit at Swiss Transport Museum |