1) Carriage 2) Handcar 1) Coach involved in training 2) Freight carrier 3) It hooks up to an engine 4) Part of a track team 5) Plymouth passenger carrier 6) Railcars 7) Railroad car 8) Railway car 9) Self-propelled coach 10) Self-propelled transit unit 11) Sleeper 12) Track runner 13) Tracked vehicle 14) Train component 15) Train part 
A railcar, in British English and Australian English, is a self-propelled railway vehicle designed to transport passengers. The term `railcar` is usually used in reference to a train consisting of a single coach (carriage, car), with a driver`s cab at one or both ends. Some railways, e.g., the Great Western Railway, used the term Railmotor. If ......
A railroad car. 
A powered passenger car.
railway car noun a wheeled vehicle adapted to the rails of railroad; `three cars had jumped the rails`