2008 Mack A3121E2865, Truck Delivery, Tandem Cutoffs, Fits to: Mack GU713, (Used) 2008 Mack GU713, TANDEM CUTTOFF- Make: Mack, Model: A 3121 E 2865, Serial Number: EGH06222647, Ratio: 8.65, Hub Bolts: 10, Brake Type: Drum, 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 8.65, Serial# EGH06222647, Hub Bolts 10 1M2AX07C88M001574