Been all over the country and my 2012 F350 6.2 with standard six speed has no problem anywhere we have been hauling 1,300 pounds more weight so really it is just an issue of preference in my opinion, not need.
Steve and Andra
2012 F350 6.2 gasser SRW LB
Fab Fours front and rear in case we run into a rhino
2019 Northstar Laredo SC