Auxiliary air suspension

Auxiliary air springs alongside the original suspension: less sagging, more stability and spring force adjustable to the load.

VB-SemiAir

VB-SemiAir at a glance

VB-SemiAir complements the existing suspension with two air springs, usually on the rear axle. The original springs stay in place, and under load the air springs take over part of the extra load.

The system is available in two versions: the basic version is inflated from an external air source, while the comfort version comes with its own compressor and a digital control panel.

Key features

  • Two air springs to complement the original suspension
  • Less sagging and body roll under load
  • Spring force adjustable to the load
  • In the comfort version, the two sides can be adjusted separately

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Versions

VB-SemiAir basic

Two air springs, mounting parts and two inflation valves. The system is inflated from an external air source, such as a tyre compressor.

  • Simple, economical solution
  • No electronics in the system

VB-SemiAir comfort

The basic system with a digital control panel, a compressor box with valve block, a VB-ASCU control unit and a high-performance compressor.

  • The two air springs can be adjusted separately – the vehicle can be levelled even with an uneven load
  • Spring force adjustable from the cab for changing loads

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