View 4 Photos View 0 Videos Dana RSP40 Rear Differential for a 2012 Kenworth T700 $650 USD RSP40 3.42 TAKEOUT, WILL INSPECT IN OUR GEAR SHOP, 90 DAY WARRANTY, Axle Spline Count: 41, Ratio: 3.42 ConditionUsedRear End3.42 ratioFits To Make(s)KenworthFits To Model(s)T700Will Fit Year(s)2012Part NumberRSP40Stock Number30725-4 MLS Number13450012CategoryDifferentials, Rear Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info