A suspension limiting device

A suspension limiting device 116 for use with a trailer 108, the device having restriction means 118, 120 for limiting the extent with which a wheel axel 102 is able to move on a suspension system 100 relative to a body of a trailer. The restriction means being adapted to move between a driving configuration and a loading configuration in which the restriction means allows the wheel axel to move to a first, and a second position respectively, relative to the body of the trailer, the second position being further away from the body of the trailer than the first position.