View 0 Photos View 0 Videos 2014 Eaton DSP40 Front Differential for a Kenworth T680 $1,310 USD (USED) Eaton DSP40 Ratio: 3.36 Side Gear Splines: 41 W/ Locker: NO Cast#: VERIFY Ref# 514575 ConditionUsedFits To Make(s)KenworthFits To Model(s)T680Part Number514575Stock Number25904539 MLS Number14006220CategoryDifferentials, Front Last Updated11/29/2025 LocationDes Moines, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info