2014 Meritor/Rockwell Other, Truck Tractor, Rear Rears (Tandem Rear or Single), Fits to: Mack CXU613, (Used) 2014 Mack CXU613, COMPLETE REAR DIFFERENTIAL GEARS ONLY- Serial Number: FOR02237480, Part Number: MT4014X4CFRNN511 264, Make: Meritor/Rockwell, Model: MR2014X4MFRNN509 264, Capacity: 20,000Lbs, Ratio: 2.64, 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, Ratio 2.64, Serial# FOR02237480, Casting# FOR02237480 1M1AW09YXEM037990