Welcome! I live in MN also! We have a 23' Surveyor with a rear slide that we pull with an '05 F150. It handles it fine. We've been in the mountains many times with this combo. Some of the steepest hills require 2nd gear and pull us down to 35 to 40 mph but that is not common; rather it is the exception. You'll be fine.
Better get out there quick! These unusual 80s will be gone SOON!! You'll need to winterize before long. Nightly freezes will be here soon.
2012 F150 FX4 Ecoboost, 2016 Surveyor 274BHS
2003 Yamaha FJR1300, Demco Premiere Slider
1969 John Deere 1020, 1940 Ford 9N, 1948 Ford 8N
Jonsered 535, Can of WD-40, Duct Tape
Red Green coffee mugs