For sale: loadedwet bath / rear sofaa/c, water heater uncategorized / sturtevant, wi 2015 Aliner Expedition rear sofa bed ready to handle any adventure, Expedition offers nearly double the "living space", 30eore storage room, taller counter tops, taller beds, flush mount euro style sink and stove, and our highest capacity chassis compared to our other models. Even as our largest model, it weighs less than 2,000 lbs and is towable by many fuel-efficient vehicles. Expedition is perfect model for the whole family or the couple that just wants more room.