This Chevrolet Silverado 2500HD delivers a Turbocharged Diesel V8 6.6L/ engine powering this Automatic transmission. Z71 OFF-ROAD PACKAGE includes (Z71) Off-Road suspension with off-road tuned twin tube Rancho shocks, (JHD) Hill Descent Control and (NZZ) skid plates (transfer case and oil pan), WINTER GRILLE COVER, TRANSMISSION, ALLISON 10-SPEED AUTOMATIC.*This Chevrolet Silverado 2500HD Comes Equipped with These Options *HIGH COUNTRY PREMIUM PACKAGE includes (CWM) Technology Package, (CF5) Sunroof and (Z6A) Gooseneck/5th Wheel Prep Package, GOOSENECK/5TH WHEEL PREP PACKAGE Hitch platform to accept Gooseneck or 5th Wheel hitch. Includes hitch platform with tray to accept ball, stamped bed holes with removable caps installed and bed mounted 7-pin trailer harness (similar to UY2 harness). (Includes (CGN) Chevytec spray-on bedliner. , SUNROOF, POWER on Crew Cab models, SUMMIT WHITE, SKID PLATES protect the oil pan, front axle and transfer case, SEATS, FRONT BUCKET with center console, for Crew Cab and Double Cab models (STD), REAR CAMERA MIRROR, INSIDE REARVIEW AUTO-DIMMING with full camera display, REAR AXLE, 3.42 RATIO, MULTICOLOR 15" DIAGONAL HEAD-UP DISPLAY, LICENSE PLATE KIT, FRONT.