The scary part of new setup is that I don't feel my enclosed trailer attached to rear of the truck other than slower acceleration. I have to check my mirrors to see if it is still back there.
I was at the limits of what my F250 could handle safely. I just added 300 lbs of batteries and box to the tongue of my enclosed trailer. I would not have done this if I was keeping my 3/4t. We just returned from trip that took us over a 4000' mountain pass while loaded at almost 11,000 lbs on the rear axle. I didn't have to be so rear heavy, but it sure rode well at 22,000 lbs GCW.