A list of locomotive classes that have a corresponding Wikipedia article.
A locomotive or engine is a rail transport vehicle that provides the motive power for a train.
If a locomotive is capable of carrying a payload, it is usually referred to as a multiple unit, motor coach, railcar or power car; the use of these self-propelled vehicles is increasingly common for passenger trains, but rare for freight[citation needed] (see CargoSprinter).
Following is a locomotive classes or models, organized by company.
British Rail is both a manufacturer and an operator of locomotives.