• Trailers OVER 750kg GTM must be fitted with efficient brakes.
  • Trailers UP TO 2 tonnes GTM must have brakes on at least one axle.
  • Trailers OVER 2 tonnes GTM must have brakes operating on ALL wheels.
  • Over-run brakes may be used on trailers UP TO 2 tonnes GTM.
  • Trailers over 2 tonnes GTM must have a “brake-away” (emergency brake) system fitted.
  • Must be operable from the driver’s seat except for over-run brakes.
  • Hydraulic brake hoses must comply with ADR 42 – ‘Hydraulic Brake Hoses’.
  • Hydraulic brake tubing or hoses must conform to approved standards.
  • Tubing or hoses must be fitted to the trailer so as to prevent chafing, kinking or other mechanical damage.



Trailers need to be checked on a regular basis to ensure that they are in a safe and serviceable condition for use.

  • Check trailer lights and reflectors
  • Inspect and/or clean electrical connector
  • Inspect safety chains
  • Check trailer brakes (if fitted)
  • Inspect hitch/coupling bolts or welds
  • Lubricate hitch/coupling receiver (or as per manufacturer’s instructions)
  • Test breakaway switch (if fitted)
  • Check tire pressures, inspect for wear
  • Check wheel nuts for tightness & correct torque
  • Check trailer wheel bearings…

Read more from QLD Safe Towing



  • Building a trailer involves working with metal, drilling, welding, grinding, painting, heavy lifting and other potentially harmful activities.
  • Make sure that you are familiar with safe working practices of your equipment before attempting this project.
  • Use suitable protective gear such as leather gloves, welding helmet, safety goggles, hearing protection and protective clothing.
  • Find a suitable location to build your trailer – such as a shed or garage.
  • Arrange that you have enough space for the construction activities.
  • Remove flammable materials and ensure that other people – especially kids – are well aware to stay clear of the project area.
  • If in doubt about any safety issues, seek advice before you start.
  • Where possible, enlist the help of a friend to help you lift and manoeuvre heavy parts & assemblies.



  • Know your vehicle’s towing capacity
  • Know your trailer’s actual on-road weight
  • Is your trailer is correctly loaded?
  • Does the trailer comply with relevant regulations?
  • Does the trailer’s towing stability need improvement?
  • Check your trailer before/after each journey
  • Is your trailer adequately insured?

Contact us or seek further advise on your trailer’s particular situation or needs.