Federal Air Conditioning Excise Tax, FREIGHT, Pro Preferred Equipment Group, Engine, Duramax 6.6L Turbo-Diesel V8, B20-Diesel Compatible, Transmission, Allison 10-Speed Automatic, Wheels, 18" (45.7 Cm) Machined Aluminum Wheel, Sterling Metallic, Jet Black, Cloth Seat Trim, Convenience Package, 1Sa Pro Safety Plus Package, X31 Off-Road Package, High Idle Switch, Alternators, Dual, 220-Amps Primary, 170-Amps Auxiliary, Gooseneck / 5Th Wheel Prep Package, Lpo, Black Tubular Assist Steps, 6" Rectangular, Siriusxm Trial Subscription, Power Outlet, Instrument Panel, 120-Volt, 3 Years SiriusXM. NA