Machine description: Cummins SC260 6 Cylinder 8.3 L Diesel 260 hp Engine, 2005 US EPA Label, 9582 Engine hrs, Eaton Fuller 6-Speed Manual Transmission, 12000 lb Front Axle, 20000 lb Rears, 14515 kg GVWR, 11R22.5, Spring S... more info about the 2006 Kenworth T300.