• 39 Ron Parkinson Cres, Caloundra QLD 4551
  • (07) 5390 0300


Information from the Caravan Industry Association of Australia:

If you are completing modifications to your vehicle to increase the Aggregate Trailer Mass (ATM*) rating of your Towable Recreational Vehicle.
*Please note some states refer to this as a GVM.

  • Only the original manufacturer or an authorised Vehicle Inspector/Engineer is permitted to make a change to the vehicle ratings;
  • It may be a requirement that both the original vehicle plate and the revised plate are affixed side-by-side on the modified vehicle, to record the history of the upgrade;
  • Consumers may need to inform their insurance company of the vehicle modifications to ensure continued coverage.

ATM Rating Upgrades – RVMAP 2018