1,103,111 miles, 7,923 hrs., tandem axle day cab, CAT 3406B, engine brake, Eaton 15 spd. manual, diff lock, air slide 5th wheel, 12,000 lb. front, 38,000 lb. rear, 259'' WB, Peterbilt Air Leaf air ride susp., 285/75R24.5 fronts, 11R24.5 rears, aluminum wheels