(Used) 2012 Peterbilt 587, COMPLETE FRONT DIFFERENTIAL GEARS ONLY- Serial Number: HN03654596, Part Number: 514535, Make: Spicer/Dana, Model: DSP40, Capacity: 20,000Lbs, Ratio: 5.36, Hub Bolts: 10, Brake Type: Disk, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY, ELKTON, MD 21921