Cummins ISX15 6 Cylinder 15.0 L Ultra Low Sulfur Diesel 525 hp Engine, 2014 US EPA Label, Requires Diesel Exhaust Fluid, 10803 Engine hrs, Engine Brake, Eaton Fuller 10-Speed Manual Transmission, Double Differential Locks, 14320 lb Front Axle, 46000 lb Rears, Dana D46-170H Drive Axles, 3.91:1 Axle Ratio, 60320.0 lb GVWR, Air Ride Cab, Aluminum Wheels, 11R24.5, 8-Bag Air Ride Suspension, 248 in Wheelbase, PTO, Wet Kit, Air Sliding 5th Wheel, Dual Fuel Tanks