One of the material applicators I work with has one of these "TANKS." In TX as I understand it if the GVWR is 25,000 or above, truck or truck & trailer, you are required to obtain a CDL. His warrenty is something like everything covered for 200K miles. They had to bring him a replacement 3 months ago when his broke down outside of Vegas on the way to LA. He says he gets just as good gas mileage as he did in an F-350. And yes he paid $100K. His point was most things on the truck are reliable enough he should get 500K miles before he needs to buy a new one, just his opinion.... It is a tank