Sidewall semi trailers are versatile and suitable for transporting a wide range of goods, including construction materials, machinery, pallets, and other oversized or irregularly shaped cargo. The vertical side walls provide extra security and protection to the cargo during transportation.

The walls are usually hinged and can be opened or closed depending on the cargo being transported. This design allows for easy loading and unloading of goods from the sides of the 4 axle sidewall trailer.