Load trenchers, skid loaders, tractors, Bobcats, Ditch Witches, and other vehicles and equipment weighing up to 12,000 lbs with heavy duty commercial loading ramps. These ramps have a durable, aircraft grade aluminum construction with a lightweight 2-beam design. The stub foot allows loading at a variety of load heights from 36" to 42". The attached hook ends are rated at 20,000 lbs for worry-free loading. Please note, these ramps are not recommended for vehicles with metal tracks.