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Rogers Bros. 13-axle Trailer
April 22, 2010

Rogers recently completed an 80-ton capacity, 13-axle trailer for a specialized hauling company.  (The term 13-axle takes into account a 4-axle tractor).  The trailer employs a “west coast style” suspension that distributes weight to the back six axles using a “rocker shaft” in the rear of the trailer.  The air ride suspensions of the first three axles are attached to a sub-frame that “rocks” inside the rear frame; and it balances, like a teeter-totter, with the back three axles of the “stinger” or bogie. These suspensions have a special air-height adjustment system that is controlled by hand valves.  Each axle of the main trailer is fitted with shut-off valves and chains.  The trailer, stinger and jeep dolly all have Air Weigh electronic scales installed to measure individual axle loads. This trailer features a mechanical detachable gooseneck with a 197-inch swing clearance.