tandem tractor trailer

Set of vehicles comprising a tractor, a semitrailer and a trailer.

truck trailer

Motorless vehicle for transporting cargo and connected by a coupling bar to the vehicle towing it.

semitrailer

Trailer whose front part is equipped with a kingpin for coupling it to the tractor.

truck tractor

Motorized vehicle equipped with a fifth wheel that pulls a semitrailer and supports part of its weight.