(Used) 1973 Mack DM685S, COMPLETE REAR REAR TANDEM- Serial Number: 11KHA5245BP13, Make: Mack, Model: LP92, Capacity: 17,000Lbs, Ratio: 3.86, Hub Bolts: 5, 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