(Used) 2016 Peterbilt 579, COMPLETE AXLE BEAM- Make: Meritor/Rockwell, Model: MFS12E122ANN16, Serial Number: MON02255730, Custom Number: B05-6029-037000000, Capacity: 12,000, Lbs, 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