Single Rear Wheel vs Dually - Whats the Best for You

joelc wrote:
Another downside of the dually, is tha carrying capacity or the truck will be less because of the extra weight of the additional rear wheels. They do not change the suspension.

I'm not sure what you meant to say but the fact is that the big plus of the dually is the extra carrying capacity. Of course if you don't need that extra carrying capacity it's just another minus because it comes at the expense of a rougher ride.