This GMC Sierra 3500HD delivers a Turbocharged Diesel V8 6.6L/ engine powering this Automatic transmission. TRANSMISSION, ALLISON 10-SPEED AUTOMATIC, TRAILER TIRE PRESSURE MONITOR SENSORS includes set of 4 sensors. Sensor functionality requires (U1D) In-vehicle Trailering App to be ordered with the vehicle and installed by the factory. Sensors will be shipped loose with the truck and will need to be installed on trailer by customer. System is capable of monitoring up to 6 wheels. Additional or replacement sensors are available through GM Accessories, REAR AXLE, 3.42 RATIO.* This GMC Sierra 3500HD Features the Following Options *GOOSENECK / 5TH WHEEL PACKAGE includes (Z6A) Gooseneck / 5th Wheel Prep Package. (Includes (UVN) Bed View Camera.), DENALI ULTIMATE PACKAGE includes (CWM) Technology Package and (CF5) power sunroof , GVWR, 14,000 LBS. (6350 KG) WITH DUAL REAR WHEELS, ENGINE, DURAMAX 6.6L TURBO-DIESEL V8, B20-DIESEL COMPATIBLE (445 hp [332 kW] @ 2800 rpm, 910 lb-ft of torque [1220 Nm] @ 1600 rpm) (Includes (K05) engine block heater.), Wireless Charging, Windows, power rear, express down, Window, power, rear sliding with rear defogger, Window, power front, passenger express up/down, Window, power front, drivers express up/down, Wheels, 20 (50.8 cm) multi-dimensional Polished aluminum (Requires single rear wheels.).* Visit Us Today *Test drive this must-see, must-drive, must-own beauty today at Nimnicht Buick GMC, 11503 Philips Hwy, Jacksonville, FL 32256.