Trailer ATM Checker: What Does My Trailer Need?
Planning to increase your trailer’s ATM? Enter the new rating and what’s fitted now to see which brakes, coupling, safety chains, axles and tyres the trailer needs for an LS12 upgrade.
Ratings
On the trailer plate.
Maximum 4,500 kg under LS12.
The ATM less the tow ball mass. Leave blank if unsure.
Axles and tyres
Load index from the sidewall (e.g. 98) or kg.
Brakes, coupling and chains
Result
Guide only, based on Queensland code LS12 (Light Trailer Modifications) and VSB-1 Revision 6. Brake requirements go by GTM. The chassis, drawbar and suspension are assessed at inspection.
More on trailer certification: trailer mod plates.
Need a mod plate?
Send your rego, VIN, photos and a list of changes. We’ll confirm the codes and give you a fixed quote, usually within a business day. Mobile across Greater Brisbane. A travel fee may apply further out.