The Vertical Panel Smooth Side double-wall, end-dump trailer from Vantage Trailers is available in widths of 76, 85, 91, 96 and 102 inches. The aluminum trailers come in different designs and can be custom built, including frameless, frame-type or quarter-frame. The standard smooth-side model consists of a single sheet, top rail and center rib. 800-826-8245; www.vantagetrailer.com