OverviewOperational role EtymologyClassificationsUseWheel arrangementRemote control locomotivesSee also
Locomotives occasionally work in a specific role, such as: • Train engine is the technical name for a locomotive attached to the front of a railway train to haul that train. Alternatively, where facilities exist for push-pull operation, the train engine might be attached to the rear of the train;• Pilot engine – a locomotive attached in front of the train engine, to enable double-heading;