Box trailers A box trailer is one of the most common trailers in the road transport industry. We typically use this type of trailer for transporting high-value cargo or garments on hangers. Dimensions and capacity may vary depending on manufacture and production year. Tare weight 8,600 kg Payload capacity 31,400 kg Cubic capacity 90 m3 Length 13.62 m Width 2.46 m Height 2.70 m Door opening width 2.46 m Door opening height 2.70 m Side opening height -