Conventional w/60in Sleeper, Tandem Axle, 53200# GVWR, 15.0L 6 Cyl Cummins ISXL Diesel w/DEF, Eaton Fuller 10 Spd, Air Ride Suspension, Air Slide, S/N: 1XPBD49X8GD330460. 660834 Miles Indicated. 18572 Hours Indicated.