We have a 2003 Sunline T2753 that we tow with a 06 Sierra 1500 4.8L with 3.73 gears. We do use a load equalizing hitch.My previous Travel Trailers have all been between 18ft and 22ft. My current RV, a 2003 Sunline T-2570. 27ft overall, factory weights: 650# tongue weight (dry/empty) 4355# dry weight no options.