View 1 Photo View 0 Videos Eaton DDP40 Rear Differential for a 2006 Freightliner Columbia 120 Newly Listed $1,495 USD RDP40 3.55 RATIO, LOCKER. USED TAKEOUT WILL INSPECT IN OUR GEARSHOP. 90 DAY WARRANTY, Ratio: 3.55 ConditionUsedRear End3.55 ratioFits To Make(s)FreightlinerFits To Model(s)Columbia 120Will Fit Year(s)2006Stock Number40926-4 MLS Number14315440CategoryDifferentials, Rear Last Updated4/16/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info