Cummins ISX15 6 Cylinder 15 L Diesel 500 hp Engine, 2011 US EPA Label, Requires Diesel Exhaust Fluid, 123 Engine hrs, Engine Brake, Allison 4500 Automatic Transmission, Double Differential Locks, 22000 lb Front Axle, 52000 lb Rears, Dana D52-190P Drive Axles, 6.14:1 Axle Ratio, 74000 lb GVWR, Air Ride Cab, Aluminum Wheels, 445/65R22.5 Front Tires, 11R24.5 Rear Tires, Double Frame, Hendrickson Walking Beam Suspension, 302 in Wheelbase, PTO, 17 ft 10 in x 100 in Bed, T ...