poolhaagised
Poolhaagised, or semi-trailers, are freight trailers designed to be towed by a tractor unit. They have no front axle; the forward part of the trailer is supported by the tractor via a kingpin that sits on a fifth-wheel coupling. The tractor carries most of the load through this connection, while the trailer provides the rear axle assembly and cargo space.
Typical poolhaagised consist of a rigid frame, a front neck containing the kingpin, rear axles with suspension
Most poolhaagised are two-axle or three-axle trailers, with multiple rear axles for higher payload and stability.
Poolhaagised are a core component of road freight in many regions, especially Europe. They are governed by
By separating the load-bearing function from the towing vehicle, poolhaagised enable flexible, high-capacity transport and modular