Low mile, heavy single frame cab and chassis with Cummins X15 engine with 450 HP, Allison 4500 RDS automatic transmission, 18,740 lb. front axle and 46K rears, 385/65R22.5 front tires and 11R22.5 rear tires, Hendrickson Haulmaax suspension, 252" wheelbase, 182" C-T, 22'6" of frame, 7.17 ratio, and PTO. 106,133 miles and 15,173 hours.