Cummins ISB V10 6.7 L Diesel Engine, 2012 US EPA Label, Automatic Transmission, 10000 lb Front Axle, 21000 lb Rears, 25999 lb GVWR, 11R22.5, Spring Suspension, 282 in Wheelbase, Summit 28 ft x 102 in Wide x 93 in High Body, Walk-Up Ramp ALL WASHINGTON BUYERS MUST SIGN TITLE APPLICATIONS