(Used) 2007 Kenworth T600, TANDEM CUTOFF- Make: Spicer, Model: RSP40, Ratio: 336, Serial Number: HN02468091, Part Number: 511328, 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