The Meyer 8100 RT BOSS Rear Unload box features a massive steel frame, hydraulic direct geardrive, poly floor and clad tuff woven fiberglass sides.   This units provides fast, safe and efficient transport of your product for Truck, Cart or Wagon Mount applications.   All BOSS models are 8' wide inside for maximum capacity.   Barn door, grain kit, side extensions, rear gate delay and more available!