View 0 Photos View 0 Videos 2016 Eaton RDP40 Rear Differential for a Kenworth T880 $1,534 USD (USED) Eaton RDP40 Ratio: 3.90 Side Gear Splines: 41 W/ Locker: YES Cast#: 127600 Ref# N/A ConditionUsedFits To Make(s)KenworthFits To Model(s)T880Part NumberN/AStock Number25867869 MLS Number13842843CategoryDifferentials, Rear Last Updated4/3/2026 LocationSioux Falls, SD, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info