This Chevrolet Silverado 2500HD delivers a Turbocharged Diesel V8 6.6L/403 engine powering this Automatic transmission. ENGINE, DURAMAX 6.6L TURBO-DIESEL V8, B20-DIESEL COMPATIBLE, Windows, power with driver express up and down and express down on all other windows, Window, power, rear sliding with rear defogger on Crew Cab or Double Cab models (If (TRW) Provision for cab roof-mounted lamp or (VYU) Snow Plow Prep Package is ordered (A48) will be deleted.). This Chevrolet Silverado 2500HD Comes Equipped with These Options Wheelhouse liners, rear (Deleted with (ZW9) pickup box delete is ordered.), Visors, driver and front passenger illuminated vanity mirrors, Transmission, 6-speed automatic, heavy-duty, electronically controlled with overdrive and tow/haul mode. Includes Cruise Grade Braking and Powertrain Grade Braking (Requires (L96) Vortec 6.0L V8 SFI engine or (LC8) 6.0L V8 SFI Gaseous CNG/LPG capable engine.), Transfer case, electronic shift with rotary dial controls (Requires 4WD models.), Trailering equipment Trailering hitch platform 2.5' with a 2.0' insert for HD, 7-wire harness with independent fused trailering circuits mated to a 7-way sealed connector to hook up parking lamps, backup lamps, right and left turn signals, an electric brake lead, battery and a ground, The trailer connector also includes the 4-way for use on trailers without brakes - park, brake/turn lamps (Will be deleted if (ZW9) pickup box delete or (9J4) rear bumper delete is ordered.) (Not available with (ZW9) pickup box delete or (9J4) rear bumper delete.), Trailer brake controller, integrated (Standard with (E63) pickup box. Available to order with (ZW9) pickup box delete.), Tires, LT265/70R18E all-season, blackwall (Upgradeable to (QGM) LT265/70R18E all-terrain, blackwall tires or (QFC) LT265/60R20E all-terrain, blackwall tires.), Tire Pressure Monitoring System with Tire Fill Alert (does not apply to spare tire), Tire carrier lock keyed cylinder lock that utilizes same key as ignition