Towable by most of today's half-ton trucks, this collection of Keystone Cougar luxury travel trailers is designed for maximum camping flexibility. With all of Cougar's premium features, like full auto-leveling, and the brand's boondocking-friendly solar power prep and larger tank capacities, these RVs are equally at home at the campground or off-the-grid. Learn more about our best half-ton towable travel trailers.