(USED) 2009 Freightliner Cascadia 125- FIFTH WHEEL - Make: Fontaine. Type: Air Slide. Length: 55?. Height: 6.5?. Frame Width: 34.5? For more information about this item, give us a call. We ship Worldwide!. (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY. ELKTON, MD 21921.