Axles for trailers

Mounting types

This image shows the mounting types and how to take the measurements in each case.

How do you measure the distance between bolts?

To measure the distance between bolts correctly, measure from the centre of one bolt to the centre of the bolt furthest away, as shown in the image below.

¡Muy importante! De centro a centro y medido en cruz.

Other details to keep in mind

If your trailer has 2 braked axles, please say in the order notes whether the axle you are buying is the front one or the rear one.

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Trailer axles are key parts in the design and operation of any trailer, because they carry the load, transfer the weight to the wheels and keep transport safe. Choosing the right axle not only extends the trailer’s life, it also keeps handling stable and compliant with current regulations.

Types of axles

The main types of trailer axles include:

  • Fixed axles: ideal for light trailers for home use.
  • Braked axles: they add safety and are mandatory in many countries when the trailer exceeds a certain weight (generally 750 kg).
  • Rocking or steering axles: they offer more manoeuvrability and are used on agricultural or industrial trailers.
  • Tandem or double axles: they spread the load over two points and improve stability and capacity.

Rules and safety

Axle rules vary by region, but they normally set approval, load capacity and brake requirements. Check that the axle matches the trailer’s technical sheet and the legal weight limits.

Practical uses

Axles are adapted to different trailers: light goods, livestock, agricultural use, boats, platforms for heavy machinery or even caravans. Each use needs an axle with a specific capacity and features.

Brands and manufacturing

Specialist brands offer standard axles and made-to-measure solutions, adapted to the trailer’s length, width and type of load. A trusted manufacturer means better durability and spare parts.

Advantages of a good axle

A quality axle gives more stability on the road, safe braking, less tyre wear and a better load distribution. It also cuts breakdowns and increases the safety of the driver and the load.

Frequently asked questions

How do I choose the right axle for my trailer?

Consider the type of trailer, the maximum load, whether it needs brakes, and the length and width. Also check that it matches current regulations and the trailer’s technical sheet.

What is the difference between a braked axle and an unbraked one?

A braked axle improves safety and is mandatory on trailers over 750 kg. Unbraked axles are used mainly on light trailers for home use.

What load capacity do trailer axles have?

Axles range from 500 kg to more than 3,000 kg, depending on the model and the intended use. Do not exceed the capacity stated by the manufacturer.

What types of axles are on the market?

The most common are fixed axles, braked axles, rocking or steering axles, and tandem (double) axles. Each one is designed for different uses and load levels.

How do you install and maintain a trailer axle?

A professional should install the axle so it is aligned and fixed correctly. For maintenance, check the bearings, brakes (if fitted), lubrication and the general condition of the axle regularly.

Which rules apply when using a trailer axle?

It depends on the country, but axles generally must be approved and must respect the authorised load limits. Brakes are also mandatory on trailers above a certain weight.

Can I buy custom-made axles?

Yes. Many manufacturers offer custom axles for the width, capacity and braking system you need. This suits special trailers or one-off builds.

What are the advantages of a quality axle?

Greater safety on the road, better stability, efficient braking, less tyre wear and a more durable trailer.

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