Railmotor is a term used in the United Kingdom and elsewhere for a railway lightweight railcar, usually consisting of a railway carriage with a steam traction unit, or a diesel or petrol engine, integrated into it.
2-2-0 steam railmotor Enfield built by William Adams for the Eastern Counties Railway in 1849. Note the raised buffers for use with other rolling stock.
A poster for a London, Brighton and South Coast Railway railmotor service
LNER Sentinel-Cammell steam railcar
South Australian Railways "Steam Motor Coach" no. 1, soon nicknamed "The Coffee Pot", pictured in 1906. Restored in 1984, it is operated at the Pichi Richi Railway, Quorn, South Australia
A railcar 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, with a driver's cab at one or both ends. Some railway companies, such as the Great Western, termed such vehicles "railmotors".
The Bombardier Talent articulated regional railcar
The Regio-Shuttle RS1 low-floor vehicle is a modern version of a single unit railcar. Several of these can run together; articulated versions are also available.
The RegioSpider modern railcar.
A two-car New South Wales Hunter railcar in Australia