Cummins X15 6 Cylinder 15 L Ultra Low Sulfur Diesel 485 hp Engine, 2018 US EPA Label, 8773 Engine hrs, Air Conditioner, Cruise Control, Engine Brake, Eaton Fuller FO-16E313A-MHP ULT Automated Transmission, 13300 lb Front Axle, 40000 lb Rears, Meritor MT-40-14X Drive Axles, 3.90:1 Axle Ratio, 53300 lb GVWR, Air Ride Cab, 34 in Flat Top Sleeper Cab, Aluminum Outer Wheels, 295/75R22.5 Front Tires, 295/75R22.5 Rear Tires, Airliner Air Ride Suspension, 234 in Wheelbase, PTO, Wet Kit, Air Sliding 5th Wheel, Headache Rack, Dual Fuel Tanks