any motor vehicle with a gross vehicle mass (GVM) not exceeding 4500 kg (but not including buses designed to carry more than 12 seated persons, motor bikes and motor trikes)
eg sedans, station wagons, panel vans, utilities, light delivery vans, small trucks, special purpose vehicles (eg. farm machines, small tractors, forklifts or other like machinery)
small articulated vehicles provided the GVM of the towing vehicle does not exceed 4500 kg.
eg small truck towing a horse float, trailer or caravan.
may tow
trailer, horse float, caravan or farm implement
may not drive
an articulated motor vehicle where the GVM of the towing vehicle exceeds 4500 kg
buses designed to carry more than 12 seated persons