I am not really interested in Large walkbehinds but I am wondering why they still make WB's in widths so large 52" and 60" What purpose do they serve ? They weigh nearly as much as the ZTR which you can ride instead of walking ? How many people really use them and for what purpose ? I would think that if you could ride instead of walk it would be easier on the old body ! I realize that a lot of guys have 36" to 48 " Walkbehinds ! But not many have the larger machines ! How come they still make them and who uses them over ZTR's ? What is the deal with them ?