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Trailer Mudguards

Road hazards are everywhere, and the worst are those your vehicle throws up in its wake. Trailer mudguards mount over the wheels of your trailer and serve to prevent it from throwing things up in the face of following traffic. They also protect your trailer from corrosion by preventing mud and water from building up in various nooks and crannies in the frame.

Australian Law

Under Australian law every trailer must have mudguards extending both ahead and behind the trailer wheel. Guards permanently affix to the trailer and cover the entire width of the tyre. A multi-axle trailer can either employ individual mudguards for each wheel or use a shared mudguard on each side so long as it covers all wheels as prescribed. They must also be sturdy enough to protect passers by from the wheels even when the trailer is in motion.

Mudguard Materials

Trailer mudguards can use a number of materials including plastic, steel or aluminium. Each material offers its own set of advantages and tradeoffs. Plastic is the lightest and least expensive; however, it is also the least durable. Steel is heavy, but also very strong and durable. Aluminium is lighter than steel and resists corrosion better, but it isn't as strong or durable.

Choosing Mudguards

As with any other trailer parts there are a number of factors that go into choosing the right set of mudguards for your trailer. Generally speaking, you want heavier guards on heavier trailers. Boat trailers are better off with aluminium or stainless steel due to the greater chance of corrosion.

Installing Trailer Mudguards

In general, you want to install trailer mudguards the same way the previous ones were mounted. The easiest way to mount them is with bolts, usually either in pre-drilled mounting holes or with existing brackets. Welding is an alternative but it's less common.