2019 Cross country RV trip planning

hate to be repetitive on this topic but i own a 2000 f150 5.4 with factory tow package and a 2017 f250 6.2 gasser. our TT cat scaled weighed ready to camp is approx 7500 lbs. i towed the TT with old bessie for about 3 months on 3 to 4 hour trips with no major problems but bought the f250 because we were planning on longer trips. last one was this sept 1875 total miles in 8 days in the north east. i would not have went on that trip with old bessie.