(USED) 2004 Kenworth T2000 - Tandem Cutoff - Make: Spicer. Model: RSP40. Capacity: 40,000 Lbs. Hub Bolts: 10. Ratio: 00370. Brake Type: Air Wedge. For more information about this item, give us a call. We ship Worldwide!. (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY. ELKTON, MD 21921.