This Ram 3500 delivers a Intercooled Turbo Diesel I-6 6.7 L/408 engine powering this Automatic transmission. WHEELS: 20 X 8.0 BLACK PAINTED ALUMINUM -inc: Black Wheel Center Hub, TRANSMISSION: 6-SPEED AUTOMATIC AISIN AS69RC HD -inc: 12.0 Single Rear Wheel Axle, Transmission Oil Cooler, Chrome Accent Shift Control, TRAILER TIRE PRESSURE MONITORING SYSTEM.* This Ram 3500 Features the Following Options *QUICK ORDER PACKAGE 21H LARAMIE -inc: Engine: 6.7L I6 Cummins HO Turbo Diesel, Transmission: 6-Speed Automatic Aisin AS69RC HD , TOWING TECHNOLOGY GROUP -inc: CTR Stop Lamp w/Cargo View Camera, Mirror-Mounted Aux Reverse Lamps, Surround View Camera System, Exterior Mirrors w/Memory, Power Chrome Tow Mirrors w/Convex Spotter & Memory, Trailer Reverse Guidance, Power Adjustable Convex Aux Mirrors, TIRES: LT285/60R20E OWL ON/OFF ROAD, RADIO: UCONNECT 12.0 W/NAVIGATION -inc: SiriusXM Traffic Plus, Disassociated Touchscreen Display, HD Radio, For Details Visit DriveUconnect.com, 1-Year SiriusXM Guardian Trial