Equipped with power, performance, luxury and styling, the 2007 National Dolphin LX Class A Motorhome is in a class of its own. Built on a standard Ford F53 chassis, the Dolphin LX Motorhome is powered by a 362 HP Ford Triton V10 engine. Inside, prepare to be dazzled by the opulently appointed interior and a host of amenities. Standard features in the Dolphin LX rv include a choice of three elegant interior decors and three rich wood finishes, genuine Corian kitchen and bathroom counter tops, a convection microwave oven and a Sandpiper Deluxe residential-style queen size pillow top mattress. There are four floor plans to choose from and has a base price of $156,920. National RV Inc.