2015 Meritor/Rockwell MR2014X, Truck Tractor, Rear Rears (Tandem Rear or Single), Fits to: Freightliner Cascadia 125, (Used) 2015 Freightliner Cascadia 125, REAR REAR- Make: Meritor, Model: MR-20-14X, Ratio: 3.36, Brake: Air Calipers, Capacity: 20,000LB, 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 3.36, Axle Spline Count Other, Serial# FOR02680723 1FUJGLD56FLGE7489