This truck has only 102,739 miles on a Reman engine from Detroit Diesel. The engine serial # is 460926R1101585, Mercedes MBE-4000, 450 hp. Jake, 10 spd manual, air-ride suspension, 11R 22.5 tires, aluminum front wheels, 12,000 lb front axle, 40,000 lb rear axle, 52,000 rated GVW, 170" wheelbase, 98" back of cab to center of axles.