2006 Meritor/Rockwell Other, Truck Tractor, Complete Axle-Rear Rears, Fits to: Mack CHN613, (Used) 2006 Mack CHN613, COMPLETE REAR REAR TANDEM- Part Number: FB0AXLE, Serial Number: AVA05133354, Make: Meritor/Rockwell, Model: RD20145NFN4192, Hub Bolts: 10, Brake Type: Drum, Ratio: 3.73, Capacity: 20,000Lbs, 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 3.73, Serial# AVA05133354, Casting# AVA05133354 1M1AJ06Y36N004649