The Meyer RT600 Series Front Unload Forage Box features a 7'5" inside width, all steel frame, high speed - variable drive, HD bevel geardrive and removable roof.   Wagon, Cart or Truck Mount models are available.  It offers more capacity, more speed and more options than any other forage box on the market.   RT600's are available as an open top and also offer high sides, high roof, hydraulic drive and more!