Oreck NEW U2000 model RB upright equipped with Endurolife belt system with over load protection.There are 3 new features on Oreck U2000RB-1 machine. 1. Quick change cord assy that is now 40 feet long. 2. Rear carry handle (much like the XL21) 3. There is a skeleton in the outer bag that will prevent mis-shaping and sagging. Endurolife belt and overload protection stop the nuisance of belt breakage and replacement with it's belt fashioned after a automobile serpentine belt which last for y