2015 Axle Alliance RT40-4N, Truck Tractor, Axle Housings (Rear), Fits to: Freightliner Cascadia 125, (Used) 2015 Freightliner Cascadia 125, COMPLETE FRONT DIFFERENTIAL HOUSING ONLY- Make: Axle Alliance, Model: RT40-4N, Serial Number: 771AAC-A135284H, Part Number: C11-00042-629, 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, Serial# AAC14R1, Hub Bolts 10, Brake Type Disk 1FUJGLD51FLGH2638