Glossary › V

Adhesion steering

Trailer and semi-trailer axles can be steered using the vertical load on the axle and adhesion of the tyres on the road surface when turning in a curve. Pneumatic cylinders stabilise the axle when travelling straight on.

Adjustable drawbar

The front end of a drawbar may be adjusted in length to influence the gap between truck and trailer.

V2A

Standard chrome-nickel stainless steel alloy.

V4A

High strength chrome-nickel stainless steel alloy.

VA

Axle aggregate with parabolic suspension – from BPW.

Vacuum panels

Thin insulated panels with better insulation values than standard thicker insulated panels. Used for delivery vehicles. Well suited for multi chamber vehicles – thin panels do not excessively reduce internal dimensions.

Vario

Product name for a range of ABS braking systems from the manufacturer Wabco.

Vario-Bodies

Product name for new body kit generation from the German manufacturer Sommer.

Vario-C

Type of ABS from the manufacturer Wabco.

VS 120

Highly wear-resistant fine grained steel (wearing steel) with a yield strength of approx. 1200 N/mm², a min. tensile strength of approx. 1350 N/mm² and a hardness of approx. 450 HB (HARDOX® 450 or comparable material).

Wearing floor

A thin hardwearing timber wearing surface may be laid and re-laid on a vehicle floor to preserve it.