Trailer Trucking Festival 2013

In Australia, a truck driver's license is required for any motor vehicle with a Gross Vehicle Mass (GVM) exceeding 4,500 kilograms (9,921 lb). The motor vehicles classes are further expanded as:
- LR: Light rigid: a rigid vehicle with a GVM of more than 4,500 kilograms (9,921 lb) but not more than 8,000 kilograms (17,637 lb). Any towed trailer must not weigh more than 9,000 kilograms (19,842 lb) GVM.
- MR: Medium rigid: a rigid vehicle with 2 axles and a GVM of more than 8,000 kilograms (17,637 lb). Any towed trailer must not weigh more than 9,000 kilograms (19,842 lb) GVM. Also includes vehicles in class LR.
- HR: Heavy Rigid: a rigid vehicle with three or more axles and a GVM of more than 8,000 kilograms (17,637 lb)). Any towed trailer must not weigh more than 9,000 kilograms (19,842 lb)) GVM. Also includes articulated buses and vehicles in class MR.