This model represents a Madrid tram belonging to the C.E.M.T. (Madrid Electric Traction Company). These trams were originally painted red, which was why people called them "crabs", a nickname that stuck until the present day, despite the fact that way back in 1908 the color was changed to yellow.
OcCre’s Madrid Tram is from 1901, belonging to the series 1-20. It could carry 15 passengers sitting in crossways wooden benches, 7 standing on the driver’s platforms, and 10 on the other. She was fitted with 2 A-B-60 Shuckert 30 HP electric motors. Each tram was manned by a driver and a conductor.