Bogie

A bogie on a semi-trailer refers to the assembly of wheels, axles, and suspension components that support the rear of the trailer and connect it to the tractor unit. It helps distribute the load weight evenly and provides stability during transportation. Bogies can vary in configuration, such as tandem (two axles) or tridem (three axles), depending on the design and weight capacity of the trailer. This assembly plays a crucial role in ensuring safe and efficient movement of goods.