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
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
A tractor unit is a characteristically heavy-duty tow vehicle that provides motive power for hauling a towed or trailered load. The largest such vehicles are similar to locomotives. These fall into tw
Road train
…to move road freight more efficiently than single-trailer semi-trailers. It consists of two semi-trailers or more connected together with or without a prime mover. It typically has to be at least two trailers and one prime mover. Road trains are often used in areas where other forms of heavy transport (freight…
Peterbilt 386 sleeper-cab–style commercial 6×4 tractor unit
A Leyland T45 cab-over 4×2 tractor unit
An Oshkosh M1070 8×8 Heavy Equipment Transporter (HET) tractor pulling a 5-bogie M1000 HETS trailer, carrying a slat-armored M93 Fox 6×6 NBC detection vehicle near Baghdad