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.
Tilt body: Tube and plank bodywork that is covered with a pvc sheet. Common types are Hamburger, Beckumer, Mailander and flat roofed.
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.