Demco | 21K 5th Wheel Hitch with Rails | Above Bed Mount | 8550036Get a complete short bed fifth wheel towing solution for heavy rigs with the Demco Hijacker 21K Autoslide Above Bed Fifth Wheel Hitch with Industry Standard Rails (Part #8550036). With 21,000 lbs of capacity, an automatic 14" rack and pinion slider, and industry standard above bed bed rails included, this is the complete package option everything you need to mount and tow without sourcing rails separately. Complete Kit Industry Standard Bed Rails