37,100 actual miles, single owner, tri-axle, 52" sleeper, Cummins ISX15, 525 hp., engine brake, Eaton Ultra Shift 18 spd. automatic, diff lock, air ride cab, air slide 5th wheel, 14,320 lb. front, 46,000 lb. rear, air lift self-steering 3rd, 3.73 gear ratio, 243'' WB, air ride susp., 11R24.5 tires, 285/75R24.5 3rd tires, aluminum wheels