Cummins ISX15 6 Cylinder 14.9 L Diesel 450 hp Engine, 2015 US EPA Label, CARB Compliant, 15247 Engine hrs, Eaton Fuller F016E313A-VHP ULT Automatic Transmission, 5443 kg Front Axle, 18144 kg Rears, 23587.0 kg GVWR, Aluminum Wheels, 295/75R22.5, Air Ride Suspension, 194 in Wheelbase, Air Sliding 5th Wheel, Headache Rack, Dual Fuel Tanks