tractor unit
Noun
Meaning
tractor unit (plural tractor units)
a large road vehicle, usually consisting of a two or three-axled chassis, and fitted with a cab, engine and drivetrain, used for hauling semitrailers.
Noun
tractor unit (plural tractor units)
a large road vehicle, usually consisting of a two or three-axled chassis, and fitted with a cab, engine and drivetrain, used for hauling semitrailers.