For sale: four slides! Loads of upgrades and options! 5th wheels / williamston, sc this 40ft unit has aluminum construction on all 6 sides. Features and options include: top kitchen, walk through bathroom, dual entry doors, fireplace, 5.5 generator, 1 piece seamless roof, four slides, fiberglass siding, awnings over all slides, satellite, washer/dryer combo, ceiling flan, hardwood floors and more!