NSW Heavy Vehicle Knowledge Test study materials
NSW Heavy Vehicle Knowledge Test study resources

NSW Heavy Vehicle Knowledge Test: Heavy Vehicle Licensing

NSW Heavy Vehicle Knowledge Test · Work through your exam, one topic at a time.

All guide sections

Heavy Vehicle Licensing

The licensing ladder

NSW uses a graduated heavy vehicle licence system. A car licence holder progresses through progressively heavier categories, each with minimum holding periods and competency requirements. The categories are Light Rigid (LR), Medium Rigid (MR), Heavy Rigid (HR), Heavy Combination (HC) and Multi-Combination (MC). Each step generally requires holding the previous class for a minimum period before upgrading.

Concepts you must know

  • Vehicle classes: LR covers small trucks and buses up to a set gross mass; MR covers two-axle rigid trucks; HR covers three-or-more-axle rigid trucks; HC covers articulated combinations; MC covers multiple trailers.
  • Eligibility: age minimums, holding periods in the prior class, a clean driving record and passing knowledge and practical assessments.
  • Conditions and restrictions: licences can carry conditions (e.g. auto transmission only, corrective lenses). Driving outside a condition is an offence.
  • Heavy vehicle national requirements: medical fitness, and for some roles, additional checks.

Traps in questions

Questions often test the order of the ladder and the holding period before upgrading, or confuse a class with a vehicle type. Read carefully whether the question asks which licence is required for a given vehicle or which licence allows it.

Rule of thumb

Match the vehicle to the lowest class that covers it, then remember you must usually hold the class below for a minimum period before upgrading.