Designed as a prime mover of vehicles the SLX-480 dolly with aluminum hubs and steel telescopic cross rails is the most serviceable dolly on the market it also has two main important safety systems with safety locks and safety ratchets that is able to take the full axle weight of the vehicle (Maximum of 1640kg) should the spindle assembly suddenly release, While towing, the engaged safety ratchet will arrest the free motion of the dolly from dropping to the ground, by safely locking into the first gear, thereby averting a possible disaster. Spare parts available on request.