ADR 63 trailers designed for use in road trains - Queensland


You will need to comply with this Australian Design Rule (ADR) if you intend to manufacture a particular heavy combination vehicle. This rule applies to electrical wiring, connections and installations in certain road trains that are longer than 19 metres.

This ADR applies to:

  • road trains (B-triples and combinations, other than B-double, consisting of a motor vehicle towing at least 2 trailers)
  • semi-trailers
  • dog trailers
  • converter dolly's.

Service type

Code of Practice

A code of practice is a set of rules which details how people in a certain industry should behave. A code of practice can be defined as a result of legislation or by industry regulators and bodies.

Administering agency

National Heavy Vehicle Regulator

Contact details

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