truck has been great , i never really put alot of time into the weights per rim and axle, the front is 16k, id have to look to confirm, truck is reg at 53k , seems to hold that very well , i think she would be fine at 60k but the reg isn't their so im at 51k 52k when i run the highway, this is a local truck for the most part , all good questions , hell if i know the answer