(Used) 2015 Freightliner Cascadia 125, COMPLETE REAR DIFFERENTIAL HOUSING ONLY- Make: Axle Alliance, Model: RT40-4N, Serial Number: AAC14R1, Part Number: QA6813504330, Ratio: 3.30, Capacity: 20,000 Lbs, Hub Bolts: 10, Brake Type: Disk, For more information about this item, give us a call.We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY, ELKTON, MD 21921