2013 Mack CXU613, Truck Tractor, I Beams, Fits to: Mack CXU613, (Used) 2013 MACK CXU613, COMPLETE FRONT AXLE BEAM- Part Number: 21608275, Serial Number: MONO1011906, Make: Meritor, Model: FF967MX31, Capacity: 5,443 Lbs, Center Leaf Spring to Center Leaf Spring: 34", For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921, Truck Year 2013, VIN 1M1AW07YXDM023833, Axle Make Meritor 1M1AW07YXDM023833