Cummins 6 Cylinder 8.3 L Diesel 300 hp Engine, 2006 US EPA Label, Eaton Fuller RT8709B 9-Speed Manual Transmission, 12000 lb Front Axle, 21000 lb Rears, 3.91:1 Axle Ratio, 275/80R22.5, Spring Suspension, 152 in Wheelbase ALL WASHINGTON BUYERS MUST SIGN TITLE APPLICATIONS