Double frame cab and chassis with Cat C13 engine with 427 HP, 10 speed transmission, 18,740 lb. front axle, 40K rears on Air-Trac suspension, differential lock, 385/65R22.5 front tires and 11R22.5 rear tires, 276" wheelbase, 198" C-T, and 22'6" of frame behind the cab. Currently a tank truck but body can be removed. 175,652 miles.