2007 Mack Other, Truck Tractor, Complete Axle-Front Rears, Fits to: Mack CHN613, (Used) 2007 Mack CHN613, COMPLETE FRONT REAR TANDEM- Part Number: 64KH5105, Serial Number: MKC06073479, Make: Mack, Model: CRD203, Ratio: 3.94, Capacity: 20,000 Lbs, 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 3.94, Serial# MKC06073479, Casting# MKC06073479 1M1AJ07Y67N010591