This Chevrolet Silverado 3500HD 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 3500HD Features the Following Options Wheelhouse liners, rear (Requires Crew Cab or Double Cab model. Not available with dual rear wheels. Deleted with (ZW9) pickup box delete), Wheel, 18' x 8' (45.7 cm x 20.3 cm) full-size, steel spare. Spare not included with (ZW9) pickup box delete unless a spare tire is ordered. (Requires single rear wheels. Included with (E63) pickup box. Available to order when (ZW9) pick-up 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.), 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.), Trailer brake controller, integrated (If (ZW9) pickup box delete or (9J4) rear bumper delete is ordered (JL1) trailer brake controller is deleted and available to order as a free flow option.), Tires, LT265/70R18E all-season, blackwall (