I own a Hot Shot Trucking company and 3 of my trailers are hydraulic tails. All me trailers are PJ trailers and they work excellent!! At times the tail may begin to "sag" abit, but the locks simply need adjusted and maintained. Typically, they reccomend "no weight" more than about 5' back the tail, but we have hauled past that weight limit and they have worked fine. I would reccomend a PJ without question, i have 6 trailers total and have been totally satisfied with these. I am putting 100,000 to 200,000 miles on these per year.