For sale: fully loaded ! Uncategorized / sturtevant, wi 2015 Aliner Ranger 12 rear sofa bed Ranger 12 is the more economical version of the classic. Lighter than the classic, and boasting a few less bells and whistles, the Ranger 12 still offers ample space, several standard and optional features, and of course the same quality, efficiency and versatility that you get with every Aliner.