Cummins X15 6 Cylinder Ultra Low Sulfur Diesel Engine, 2020 US EPA Label, Requires Diesel Exhaust Fluid, 4526 Engine hrs, Air Conditioner, Cruise Control, Power Windows, Engine Brake, Allison 4500 6-Speed Automatic Transmission, Triple Differential Locks, 16000 lb Front Axle, 46000 lb Rears, Meritor RT-46-164PEH Drive Axles, 4.10:1 Axle Ratio, 62000 lb GVWR, Air Ride Cab, Aluminum Wheels, 315/80R22.5 Front Tires, 11R22.5 Rear Tires, Dual Steering Boxes, Hendrickson Air Ride Suspension, 228 in Wheelbase, PTO, Air Sliding 5th Wheel, Dual Fuel Tanks