The average person would say this thread is full of know it alls / morons with credentials of any other democratic internet forum. Maybe I should brag about my IQ before I post?
Common sense says.... 1)Don't buy a truck that is not rated for what you are trying to do 2)Don't believe internet know it alls 3)Buy the right tool for the job
Yes, there is a lot more too is than that, and a lot more assumptions that anyone could make, why bother? There are many factors that go into calculation of capacities, and it's funny to read the outsiders looking in and their theories.