Clean, low mile cab and chassis with Allison automatic 4500 RDS transmission, 20K front axle, 46K locking rears, Hendrickson Haulmaax suspension, 425/65R22.5 front tires and 11R22.5 rear tires, 216" wheelbase, 140" C-T (muffler takes up 16"), 16' of frame behind the cab (14'8" of frame behind muffler), 4.78 ratio, and wet line. ***5th wheel plate can be removed***