2006 Pace 3-4 car stacker (Depending on size of cars). Spring assisted rear door with Beavertail, side door, generator door. Tri axle. Roof hatch. Tons of cabinet space. Front upper deck good for storage or sleeping quarters. Access panel in front will store fuel jugs. Roof can be used for track viewing. Interior and exterior lighting. Rear hydraulic lift rack is excellent for working on cars and pulling engines.