This Chevrolet Silverado 3500HD CC delivers a Turbocharged Diesel V8 6.6L/ engine powering this Automatic transmission. WT CONVENIENCE PACKAGE includes (AKO) tinted windows and (C49) rear-window defogger, WORK TRUCK PREFERRED EQUIPMENT GROUP includes standard equipment, WINTER GRILLE COVER.*This Chevrolet Silverado 3500HD CC Comes Equipped with These Options *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), MIRRORS, OUTSIDE POWER-ADJUSTABLE VERTICAL TRAILERING WITH HEATED AND AUTO-DIMMING UPPER GLASS lower convex mirrors, turn signal indicators, puddle lamps, (U12) perimeter lighting, auxiliary lighting, power folding/manual extending (extends 3.31 [84.25mm]), Black Includes (DD8) auto-dimming rearview mirror.).