A transporter wagon, in railway terminology, is a wagon (UIC) or railroad car (US) designed to carry other railway equipment. Normally, it is used to transport equipment of a different rail gauge. In most cases, a transporter wagon is a narrower gauge wagon for transporting a wider gauge equipment, allowing freight in a wider gauge wagons to reach destinations on the narrower gauge network without the expense and time of transshipment into a narrower gauge wagons.
A DSB standard gauge freight car on a narrower gauge transporter wagon
A train of coupled Commonwealth Railways 3 ft 6 in (1,067 mm) narrow-gauge cattle cars on continuous rails laid on 1,435 mm (4 ft 8+1⁄2 in) standard gauge flatcars (outback Australia)
Transporter trailer
A railroad car, railcar, railway wagon, railway carriage, railway truck, railwagon, railcarriage or railtruck, also called a train car, train wagon, train carriage or train truck, is a vehicle used for the carrying of cargo or passengers on a rail transport network. Such cars, when coupled together and hauled by one or more locomotives, form a train. Alternatively, some passenger cars are self-propelled in which case they may be either single railcars or make up multiple units.
A passenger car of the China Railway, 2011
A freight car (boxcar type) for the South Australian Railways, 1926
A Metropolitan line S8 Stock at Amersham in London
An interior of a Circle line S7 Stock in London