Detroit DD13 Ultra Low Sulfur Diesel Engine, 2014 US EPA Label, Requires Diesel Exhaust Fluid, Air Conditioner, Cruise Control, Power Windows, Engine Brake, Eaton Fuller FO-16E313A-MHP ULT 13-Speed Automated Transmission, Double Differential Locks, 12000 lb Front Axle, 40000 lb Rears, Meritor MT-40-14X Drive Axles, 3.90:1 Axle Ratio, 52000 lb GVWR, Air Ride Cab, Aluminum Wheels, 11R22.5, Airliner Air Ride Suspension, 190 in Wheelbase

Detroit DD13 6 Cylinder 12.8 L Diesel 525 hp Engine, 2016 US EPA Label, CARB Compliant, Requires Diesel Exhaust Fluid, Engine Brake, Eaton Fuller 10-Speed Manual Transmission, Differential Lock, 12000 lb Front Axle, 21000 lb Rears, 33000.0 lb GVWR, Air Ride Cab, Aluminum Wheels, 295/75R22.5, AirLiner Air Ride Suspension, 156 in Wheelbase