Get your heavy vehicle licence

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 of more than 4.5 tonnes and up to eight tonnes.

Medium rigid vehicle - MR

This vehicle has:

  • two axles
  • a gross vehicle mass of more than eight tonnes.

Heavy rigid vehicle - HR

This vehicle has:

  • three or more axles
  • a gross vehicle mass of more than eight tonnes.

Heavy combination vehicle - HC

This vehicle is either:

  • a prime mover with a single semi-trailer that has:
    • a GVM of more than nine tonnes
    • plus any unladen converter dolly
  • a rigid motor vehicle that is towing a trailer, including a low loader, that has:
    • an ATM of more 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.

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Last updated: 18 June 2021

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