View 6 Photos View 0 Videos Detroit RT40-NFD-N Rear Axle Assembly for a 2020 Freightliner Cascadia 126 Newly Listed Contact for price (Used) 2020 Freightliner Cascadia 126, COMPLETE REAR REAR TANDEM- Part Number: C11-00051-317, Serial Number: 771195A0060415, Make: Detroit, Model: RT40-NFD-N, Ratio: 3.08, Capacity: 20,000... ConditionUsedRear End3.08 ratioFits To Make(s)FreightlinerFits To Model(s)Cascadia 126Will Fit Year(s)2020Part NumberC11-00051-317Stock NumberP-498317 MLS Number14161517CategoryAxle Assemblies, Rear Last Updated2/25/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info