Cummins ISX15 450 6 Cylinder 14.8 L Ultra Low Sulfur Diesel 450 hp Engine, 2018 US EPA Label, 15307.45 Engine hrs, Air Conditioner, Cruise Control, Power Windows, Engine Brake, Eaton Fuller FAM-14810B Automated Transmission, 13300 lb Front Axle, 23000 lb Rears, Meritor MFS 13 143A Drive Axles, 2.50:1 Axle Ratio, 34300 lb GVWR, Air Ride Cab, 60 in Mid Roof Sleeper Cab, Aluminum Front Wheels, 295/75R22.5, Airliner Air Ride Suspension, 222 in Wheelbase