Shop new and used Mack MD6 Box Trucks on MyLittleSalesman.com . Compare active listings with prices from $54,900 to $69,900. Sellers include J&J Truck Sales, Proxy Equipment, Gamache Truck Center, and more. Filter by box length, number of axles, with liftgate, horsepower, and more to find the Mack MD6 Box Truck that fits your job.