shows 346,948 miles, shows 13,966 hrs., tandem axle, 42" sleeper, Detroit DD15, 14.8L, 505 hp., DT12-OA-1750HD 12 spd. automatic, diff lock, air ride cab, air slide 5th wheel, 12,350 lb. front, 40,000 lb. rear, 3.23 gear ratio, 217" WB, Airliner air ride susp., 11R22.5 tires, aluminum wheels