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In North America, U.S. and Canadian transportation authorities clarified that heavy-duty semi-trailers over 11.79 tons registered from July 2026 mu...

key-differences-between-semi-trailer-axle-head

Heat treatment is the core technology to optimize vehicle axle performance. It upgrades axle steel’s strength, fatigue resistance and wear resistan...

Carbon steel is another common axle material. It is mainly composed of iron and carbon, and can be divided into low carbon steel, medium carbon ste...

Axle materials are mainly divided into two categories: metal materials and non-metallic materials.

Alloy structural steels such as 40CrNi and 38CrMoAlA are often used.

As a key component on the rear axle of a semi-trailer, the strength of the axle has a direct impact on the load-bearing capacity of the axle.

Cast iron is one of the traditional materials of tractor suspension. It is hard, wear-resistant and corrosion-resistant. This makes cast iron suspe...

The future development prospects of air suspension are very broad, showing the potential for technological innovation and application expansion.

Common independent suspensions include McPherson independent suspension, multi-link independent suspension, and double wishbone independent suspens...

The main difference between air suspension and mechanical suspension lies in the elastic element and adjustment method.

It connects the frame and wheels elastically and is related to the various performances of the car.