View 5 Photos View 0 Videos 2021 Fontaine Fifth Wheel for a Freightliner CASCADIA $475 USD Fontaine SL6 Air Slide Fifth Wheel, 33.5" Frame Width, 34" Rail Length, 31" Slide Base, 12.25" Slide Travel, 7" Deck Height, Driver Side Release. P/N SL6NWB675012. ConditionUsedFits To Make(s)FREIGHTLINERFits To Model(s)CASCADIAStock Number4265-16 MLS Number13965787CategoryFifth Wheels Last Updated1/27/2026 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info