What are the Minimum Requirements for Sydney Trailers?

Towing a Sydney trailer requires additional knowledge and skill. All Sydney trailers, including caravans, affect the performance of the towing vehicle. They affect fuel ingesting, acceleration, braking capacity, general control and manoeuvrability. These effects worsen as the size and weight of the trailer increase relative to that of the towing vehicle. The extra length and width can be hard to manage, with wind, road roughness and passing vehicles having a greater effect than on the vehicle alone. This puts additional responsibilities on a driver. The Australian Design Rules (ADRs) are national standards for vehicle safety, anti-theft and emissions. The ADRs are generally performance based and cover issues such as occupant protection, structures, lighting, noise, engine exhaust emissions, braking and a range of miscellaneous items.

Vehicle manufacturers usually indicate in the owner’s manuals the maximum weight and other features of trailers appropriate for the vehicle. These limits should not be exceeded.

The loaded mass of the trailer must not exceed the lesser of:

• Rated capacity of the tow bar and tow coupling.• Maximum towing capacity of the vehicle.• Maximum carrying capacity of the trailer.• Maximum rated carrying capacity of the tires

If the vehicle manufacturer has not speci?ed the maximum towing mass, the maximum towing mass is: one and a half times the unladed mass of the towing vehicle, provided that the trailer is?tted with brakes which are connected and in working order.

Loading trailers

It is important that trailers Sydney are not overloaded and that loads are properly secured to or contained within the trailer:A load must not project more than 150mm beyond the trailer’s width or be more than 2.5m overall width, whichever is less.Loads that project more than 1.2m behind a trailer must have a red?ag attached to the end of the load. This?ag must be at least 300 mm square and clearly visible. To avoid having an overhanging load, you should purchase a trailer that suitably contains the load.

Between sunset and sunrise, or when there is insufficient daylight, a clear red light or at least two red re?ectors must be?xed to the end of any projecting load.

Overall length of the vehicle and trailer combination including its load must not be more than 19m.

To reduce sway, heavy loads should be concentrated towards the centre of the trailer.

Loads should be kept as low and as close as possible to the axle or axles with about 60 per cent of the total weight forward of the centre of the axle or axles. As a general rule, about 5-10 per cent of the total mass of the trailer plus load should be supported by the vehicle through the coupling. The trailer drawbar should be level or slightly ‘nose down’.

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