2006 Heartland HEARTLAND BIGHORN 3055RL, The 3055RL (Rear Lounge) has 3 slides. The Bighorn 3055 has a rear living area with sofa sleeper and recliners.There is a fully equipped kitchen. The bathroom is spacious with a large shower. And the master bedroom offers a Queen bed and a slide-out. The Bighorn has a sealed and heated underbelly, aluminum frame construction and fiberglass sidewalls.