A Light Rigid licence allows drivers to drive any truck or bus, between 4.5 and 8 tonnes GVM or a bus seating more than 12 adults.
A Medium Rigid licence allows drivers to drive any 2 axle rigid vehicle, including a truck or bus. You can also drive a special purpose vehicle with a GVM of less than 15 tonnes.
A Heavy Rigid licence allows drivers to drive any rigid vehicle with three or more axles, including a truck or a bus, greater than 8 tonnes GVM. This licence class is also applicable to an articulated bus.