2017 Meritor/Rockwell , Truck Tractor, Rear Rears (Tandem Rear or Single), Fits to: Freightliner Cascadia 113, (Used) 2017 Freightliner Cascadia 113, COMPLETE DIFFERENTIAL GEARS ONLY- Part Number: S11-19730-250, Serial Number: DRA16474902, Make: Meritor, Model: RS23-161, Ratio: 2.50, Capacity: 21,000 Lbs, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921, Ratio 2.50, Serial# DRA16474902, Casting# DRA16474902 3AKBGADV0HSJA3616