Machine description: Cummins ISB 6 Cylinder 5.9 L Diesel Engine, Engine Brake, Allison 3000 Automatic Transmission, 5.29:1 Axle Ratio, 11R22.5, Spring Suspension, 258 in Wheelbase, 26 ft x 96 in Bed, Dovetail, Manual Ramp... more info about the 2006 Kenworth T300.