2015 Meritor/Rockwell RS23-161, Truck Tractor, Axles, Complete Rears, Fits to: Freightliner Cascadia 125, (Used) 2015 Freightliner Cascadia 125, COMPLETE REAR DIFFERENTIAL- Serial Number: F0R02773973, Part Number: Other, Make: Meritor, Model: RS23-161, Ratio: 3.21, Capacity: 21,000 Lbs, Hub Bolts: 10, Brake Type: Disc, 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 3.21, Serial# F0R02773973, Casting# F0R02773973 1FUBGDDVXFLGJ2419