(Used) 2007 Freightliner COLUMBIA 120, REAR DIFFERENTIAL GEARS ONLY- Make: Axle Alliance, Model: ART-40, Ratio: 3.58, Capacity: 20,000 Lbs, Serial Number: 771AAC-A045725T, For more information about this item, give us a call.We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921