View 0 Photos View 0 Videos 2021 Detroit RT40-NFD Front Differential for a Freightliner Cascadia $2,750 USD (USED) Detroit RT40-NFD Ratio: 2.28 Side Gear Splines: 40 W/ Locker: NO Cast#: R7753511105 ConditionUsedFits To Make(s)FreightlinerFits To Model(s)CASCADIAStock Number25950816 MLS Number14156584CategoryDifferentials, Front Last Updated2/26/2026 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info