MILES: 481,394, HRS: 17,704, CUMMINS ISX 450 HP, EATON FULLER 10 SPD. TRANSMISSION, LOCKING REARS, 13.2K LBS. FRONT AXLE, 40K LBS. REAR AXLES, AIR TRAC SUSPENSION, FIFTH WHEEL, DUAL CHROME STACKS, DUAL CHROME BREATHERS, 19'8" WB.(Note: Derated),