Hi all, we have a 2011 Toyota Tundra and it says it can tow 9,800 lbs. The GVWR is 7,200 lbs and payload is 1,540. We found a used 5th wheel that we like that has a dry weight of 8,062 lbs with a hitch cap. of 1,100 lbs. It seems that this would push the limits of the truck? If one adds 1,000...