2008 Chevrolet Silverado 3500HD WT 4WD Automatic

• Air dam, Black
• Bumper, front chrome
• Door handles, Black
• Glass, Solar-Ray light-tinted, all windows
• Grille, chrome surround
• Headlamps, dual halogen composite with automatic exterior lamp control and flash-to-pass feature
• Lamp delete, LED center high-mounted stop/brake (CHMSL) delete and cargo area, delete (Standard with 4x4 models only.)
• Lamps, Smoked Amber roof marker
• Mirrors, outside manual, Black, manual folding
• Tires, LT225/75R17E all-season, blackwall (Includes 6 tires with (ZW9) pickup box delete.)
• Wheels, 6 - 17 x 6.5 (43.2 cm x 16.5 cm) 8-lug painted steel, includes painted center caps
• Wipers, front intermittent wet-arm with pulse washers

• Air conditioning delete provides heater only (Requires Regular Cab models.)
• Assist handle, front passenger (Also includes rear assist handles in the headliner on Extended Cab Models.)
• Audio system feature, 4-speaker system (Requires Regular Cab models.)
• Audio system, AM/FM stereo with MP3 compatible CD player seek-and-scan, digital clock, auto-tone control, Radio Data System (RDS), speed-compensated volume and TheftLock
• Coat hooks, rear driver and passenger side
• Cup holders, front (Also includes rear cupholders on Extended Cab models.)
• Driver Information Center with odometer, trip odometer and message center (monitors numerous systems depending on vehicle equipment level including low fuel, turn signal on, transmission temperature and oil change notification) (Driver Information Center controls are operated through the trip button unless (UK3) steering wheel mounted audio controls is ordered.)
• Floor covering, Black rubberized-vinyl
• Instrumentation, analog with speedometer, fuel level, engine temperature, tachometer, voltmeter and oil pressure indicators
• Lighting, interior with dome and reading lights, backlit instrument panel switches and door handle-activated illuminated entry
• Mirror, inside rearview manual day/night
• Power outlets, 2 auxiliary instrument panel-mounted with covers, 12-volt
• Seats, front 40/20/40 split-bench, 3-passenger, driver and front passenger manual reclining with outboard head restraints and center fold-down armrest with storage
• Steering wheel, includes theft-deterrent locking feature
• Visors, driver and front passenger, sliding, with clip and passenger side vanity mirror with cover, Opal Gray-colored
• Warning tones, headlamp on, key-in-ignition, driver and passenger buckle up reminder and turn signal on
• XM Satellite Radio (subscription required)

• Air cleaner, high-capacity
• Alternator, 125 amps
• Battery, heavy-duty 600 cold-cranking amps, maintenance-free with rundown protection and retained accessory power (Not standard with (LMM) Duramax 6.6L Turbo Diesel V8 engine.)
• Body, Chassis Cab, includes (VF7) bumper delete
• Cooling, auxiliary external transmission oil cooler, heavy-duty air-to-oil
• Cooling, external engine oil cooler, heavy-duty air-to-oil, integral to driver-side of radiator tank
• Engine, Vortec 6.0L Variable Valve Timing V8 SFI (312 hp [232.3 kW]
• Exhaust, aluminized stainless-steel muffler and tailpipe
• Four wheel drive
• Frame, hydroformed
• GVWR, 12,000 lbs. (5443 kg) (Standard with 4x4 models only.)
• Rear axle, 3.73 ratio
• Recovery hooks, front, frame-mounted
• Steering, power, recirculating ball
• Suspension Package, Handling/Trailering, heavy-duty includes 46 mm piston monotube shocks and 34mm front stabilizer bar
• Suspension, front independent, torsion bar
• Suspension, rear 3-stage springs
• Transfer case, with floor-mounted shifter (Requires 4x4 models.)
• Transmission, 6-speed automatic, heavy-duty, electronically controlled with overdrive and tow/haul mode (Requires (LY6) Vortec 6.0L V8 SFI engine.)

• Air bags, frontal, driver and right-front passenger with passenger-side deactivation switch (Never place a rear-facing infant restraint in the front seat of any vehicle equipped with an active frontal air bag. Always use safety belts and the correct child restraints for your child's age and size. Children are safer when properly secured in a rear seat. See the vehicle's Owner's Manual and child safety seat instructions for more safety information.)
• Brakes, 4-wheel antilock, 4-wheel disc
• Daytime Running Lamps, with automatic exterior lamp control
• OnStar Equipped (subscription required)
• Steering column, Tilt-Wheel, adjustable with brake/transmission shift interlock

Model Highlights

Chevrolet's 2008 2500HD (three-quarter-ton) and 3500 HD (one-ton) are heavy-duty versions of the standard-duty Silverado pickup, all of which were completely redesigned for 2007. The HDs are available in three cab styles (regular, extended, and crew cab) and two box configurations (standard and long). Extended cab models come with smaller rear access doors that open 170 degrees and have fully opening windows. Crew cab models come with four full-size doors. 3500HD models come in two additional variants, identified by SRW (single rear wheels) or DRW (dual rear wheels, sometimes called Dually). The DRW models offer enhanced stability for those who routinely tow trailers near the upper end of capacity. Two suspensions are now offered on the HD trucks. The Z85 suspension is standard, and the optional Z71 suspension is oriented toward off-road duty and includes skid plates along with other additional equipment. Compared with the light-duty Silverado, the HD has a larger, bolder appearance, especially in front, with a wider grille, domed hood, and broader fenders. The HD trucks boast a ladder frame, a hydroformed front section, a structure designed for better crash protection, recirculating-ball steering gear aimed at improving steering feel, and a strong four-wheel disc brake system with anti-lock. The brakes also include an integrated trailer brake controller. Like the light-duty Silverado, the HD versions of the Silverado get two completely different interiors, depending on the intended use. The WT (Work Truck) and LT models, intended more for work use, come with a simplified instrument panel with large, functional controls, under-seat storage, and a cavernous double glove box. The luxurious LTZ, intended for those who might need to tow or haul in style, comes with an interior that rivals that of luxury SUVs, with a larger center console, heated leather bucket seats, and chrome trim. A 6.0L gasoline V8 engine with variable valve timing, making 353 horsepower and 373 lb-ft of torque, is standard on both models and a 6.6L Duramax diesel, making 365 hp and 660 lb-ft, is optional. Both engines are mated to six-speed automatic transmissions. Standout optional features on the LTZ include heated windshield washers, power-adjustable pedals, Ultrasonic Rear Parking Assist, a rear-seat DVD entertainment system on crew cabs, an EZ Lift tailgate, and a power-sliding rear window on extended and crew cabs. A wide range of audio systems includes MP3- and DVD-compatible players.