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 

This vehicle:

  • 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

This vehicle:

  • 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.

Last updated: 03 November 2017