5 0 2017 Eaton R40-155-2.64 Rear Differential for a Kenworth T680 Recently Updated $1,595 USD R40-155 2.64 ratio Inspected Takeout +$750 Core , Takeout from low mileage non wrecked truck (2,605 miles) Yoke: SPL170, Side Gear: 41 Splines, Input Splines: 39 Splines, Non-... ConditionUsedRear End2.64 ratioFits To Make(s)KENWORTHFits To Model(s)T680Stock Number12399 MLS Number13333196CategoryDifferentials, Rear Last Updated12/12/2025 LocationSpokane Valley, WA, US Sold ByHigh Mountain Horsepower (833) 913-___ SHOWNUMBERCall Seller Email Seller Save More Info