"Engine; Duramax 6.6L Turbo-Diesel V8; B20-Diesel Compatible,Wheels; 18"" (45.7 Cm) Polished Forged Aluminum,Safety Package,Gooseneck / 5Th Wheel Prep Package,Power Take-Off,Convenience Package,Leather Package,Lpo; Interior Convenience Package,Convenience Package Ii,Seats; Front Bucket With Center Console; For Crew Cab And Double Cab Models,Lpo; Dark Essentials Package,Lpo; Black Work Step,Remote Start Package,Leather Seats,Navigation System,Mirrors; Outside Power-Adjustable Vertical Trailering With Heated And Auto-Dimming Upper Glass,Heat Package,Lpo; Hitch Package,Tailgate; Gate Function Power Up/Down,Keyless Start,Black,Emissions; Federal Requirements,Gvwr; 14;000 Lbs. (6350 Kg) With Dual Rear Wheels,Jet Black; Leather-Appointed Front Outboard Seating Positions,Rear Axle; 3.42 Ratio,Transmission; 10-Speed Automatic With Integrated Power Take-Off (Pto)"