(Used) 2012 Peterbilt 384, TANDEM CUTOFF- Make: Meritor/Rockwell, Model: RD20145NCN5211 321, Ratio: 336, Serial Number: FOR01559793, Customer Number: CO5-210201G3E10321, 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