We own a 2002 excursion, v-10, 4x4. Ford dealer says legal towing capacity is 10,100 lbs. We have a 2008 North Country 29rls, gvw 10,400 lbs Truck weighs with full gas tank 7440 lbs, no pass, trailer loaded, [no water in tanks] 8420 lbs so going down road with wife, dog, food clothes, we weigh 16,400 lbs Truck does not have a problem towing the trailer. total length is 57 feet long. Fuel mileage is right around 9 mpg. Keep it at 62 mph, and have a sway bar and weight dist hookup, and airbags.