Dolly (trailer)
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A dolly is an unpowered vehicle designed for connection to a tractor unit, truck or prime mover vehicle with strong traction power.
European type dolly trailer
One axled jeep dolly between the trailer and tractor unit
An airport dolly holding two aircraft cargo unit load devices
Road train
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A road train, also known as a land train or long combination vehicle, is a semi-trailer truck used to move road freight more efficiently than single-trailer semi-trailers. It consists of two semi-trai
Dolly (trailer)
…designed for connection via a tow hitch of a passenger vehicle. Either the fifth wheel or the tow hitch takes up to half the load of the semi-trailer. Road train – special large dolly bogie equipped with a fifth wheel for further connection by the gooseneck type drawbar of another similar dolly and form a road…
A three-trailer livestock road train in Australia
An early road train at Alice Springs on the way to Tennant Creek, c. 1938–1948
A diesel road train in Alice Springs, c. 1938–1939
Livestock road train with Leyland truck in 1962