The AU Series is a lightweight aluminum mason-style dump body for 1-ton and super-duty chassis, offered in 8’–11’6″ lengths. It’s available with 12″ sides/18″ tailgate or 18″ sides/24″ tailgate, giving 2–4 yd³ capacity. Built with an H-34 aluminum floor, boxed top rails, 6″ rubber-cushioned longsills, and 3″ aluminum crossmembers, it maximizes payload while delivering strong corrosion resistance.