1992 Mack CRD93, Truck Delivery, Complete Axle-Front Rears, Fits to: Mack DM688S, (Used) 1992 Mack DM688S, COMPLETE FRONT REAR TANDEM- Make: Mack, Model: CRD93, Ratio: 4.63, Capacity: 22,000 Lbs, Hub Bolts: 6, Brake Type: Drum, 19QF4409-P3, 19105055, 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 4.64, Serial# TBD, Truck Year 1992 1M2B218C6NM002581