This Chevrolet Silverado 3500HD CC boasts a Turbocharged Diesel V8 6.6L/ engine powering this Automatic transmission. WT CONVENIENCE PACKAGE includes (AKO) tinted windows, (C49) rear-window defogger and (DBG) power trailer mirrors with heated upper glass and manual extending/folding, WORK TRUCK PREFERRED EQUIPMENT GROUP includes standard equipment, WINTER GRILLE COVER.* This Chevrolet Silverado 3500HD CC Features the Following Options *USB PORTS, REAR, DUAL, CHARGE-ONLY, UPFITTER SWITCH KIT, (5) Provides 3-30 amp and 2-20 amp configurable circuits to facilitate installation of aftermarket electrical accessories. Kit with all required parts will be shipped loose with the truck for installation by the dealer or upfitter at customer expense. Installation instructions and technical assistance available at www.gmupfitter.com., TRANSMISSION, ALLISON 10-SPEED AUTOMATIC, TIRES, LT235/80R17E ALL-TERRAIN, BLACKWALL (STD), SUMMIT WHITE, SPARE TIRE DELETE, SEATS, FRONT 40/20/40 SPLIT-BENCH with covered armrest storage and under-seat storage (lockable) (STD), REAR CAMERA KIT. Kit includes camera, fixed position bracket & 19 ft cable with attachment clips. Rear camera radio calibration provided from the factory. See Upfitter Integration Bulletin for installation instructions at www.gmupfitter.com, REAR AXLE, 3.42 RATIO, POWER OUTLET, INTERIOR, 120-VOLT (400 WATTS).