New 2026 GMC Sierra 3500 Crew Cab Service Truck

Reading’s Classic II™ aluminum service body combines the superior fuel economy and corrosion resistance of aluminum with Reading’s legendary quality and durability. Built with premium recycled aluminum alloy, the body is bathed in a zinc phosphate bath to prep it for improved adhesion of Reading’s durable powder coat finish, to resist corrosion better than any other service truck body on the market. It features all the standard and exclusive options that have made our flagship Classic II™ a leader in the truck body industry while offering environmental benefits that today’s consumers appreciate.

Standard features include a pressed diamond plate floor and inner tailgate surface, heavy-duty compartment doors and a rugged undercoated understructure for superior durability and strength. The Classic II™ aluminum service truck body also features Reading’s exclusive adjustable hidden hinges, Dual-Pro® door seals, a slam-action tailgate and much more. Add our industry-leading 10-year limited warranty and it’s easy to see why there’s No Body Better than the Classic II™.