Cummins QSB 6 Cylinder 6.7 L Ultra Low Sulfur Diesel 164 hp Engine, 2014 US EPA Label, 20103.3 Engine hrs, Air Conditioner, Allison Automatic Transmission, 12000 lb Front Axle, 30000 lb Rears, 36000.0 lb GVWR, Air Ride Cab, steel wheels, 11R22.5 Front Tires, 11R22.5 Rear Tires, 114 in Wheelbase, Hydraulic Lift 5th Wheel