Types of heavy vehicles
A heavy vehicle has a gross vehicle mass (GVM) or aggregate trailer mass (ATM) of more than 4.5 tonnes.
There are five different types of heavy vehicle. Each heavy vehicle type requires a specific driver's licence.
Light rigid vehicle - LR
- has a gross vehicle mass greater than 4.5 tonnes but not greater than eight tonnes
- or is constructed or equipped to seat more than 12 people including the driver.
Medium rigid vehicle - MR
This vehicle has two axles and a gross vehicle mass greater than eight tonnes.
Heavy rigid vehicle - HR
This vehicle has three or more axles and a gross vehicle mass greater than eight tonnes.
Heavy combination vehicle - HC
- is a prime mover with a single semi-trailer that has a GVM greater than nine tonnes plus any unladen converter dolly
- or a rigid motor vehicle that is towing a trailer that has a GVM greater than nine tonnes plus any unladen converter dolly.
A multi combination vehicle - MC (road train)
This vehicle is any vehicle or combination of vehicles other than a motorcycle or trike.