Trial run with my (new) 77 Sovereign pulled by my 2010 f150 5.4 6spd. Wow surprised how easily the Tt pulled and how easily the 5.4 handled the 5000lb load. In hilly terrain I averaged 12+ at 60 mph. This is my first rv but I am pleased with the whole experience as this is a 31foot unit and I have not towed much before.
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