Cummins 6 Cylinder Diesel Engine, 35811 Engine hrs, Allison Automatic Transmission, 12000 lb Front Axle, 30000 lb Rears, 33200 lb GVWR, 11R22.5 Front Tires, 11R22.5 Rear Tires, 117 in Wheelbase, PTO, Hydraulic Lift 5th Wheel