SIERRA

3500HD | THE ULTIMATE HEAVY DUTY POWER

Engines

Engine Options for Regular Cab Models	Regular Cab		Horsepower	Torque (lb-ft.)
Engine Options for Regular Cab Models	Work Truck	SLE	Horsepower	Torque (lb-ft.)
Vortec 6.0L Variable Valve Timing SFI V8, GVWR under 10,000 lbs/over 10,000 lbs* *When properly equipped; includes weight of vehicle, passengers, cargo, and equipment.			360/312	380/373
DURAMAX 6.6L Turbo Diesel V8, B5 Bio-Diesel compatible			365	660

Engine Options for Extended Cab Models	Extended Cab			Horsepower	Torque (lb-ft.)
Engine Options for Extended Cab Models	Work Truck	SLE	SLT	Horsepower	Torque (lb-ft.)
Vortec 6.0L Variable Valve Timing SFI V8, GVWR under 10,000 lbs/over 10,000 lbs* *When properly equipped; includes weight of vehicle, passengers, cargo, and equipment.				360/312	380/373
DURAMAX 6.6L Turbo Diesel V8 B5 Bio-Diesel compatible				365	660

Engine Options for Crew Cab Models	Crew Cab			Horsepower	Torque (lb-ft.)
Engine Options for Crew Cab Models	Work Truck	SLE	SLT	Horsepower	Torque (lb-ft.)
Vortec 6.0L Variable Valve Timing SFI V8, GVWR under 10,000 lbs/over 10,000 lbs* *When properly equipped; includes weight of vehicle, passengers, cargo, and equipment.				360/312	380/373
DURAMAX 6.6L Turbo Diesel V8, B5 Bio-Diesel compatible; includes heavy duty dual 730CCA batteries and engine block heater				365	660

Mechanical

	Reg/Ext and Crew		Ext and Crew Cab
	Work Truck	SLE	SLT
Air cleaner, high-capacity
Alternator, 125 amps
Alternator, 160 amps (Included with Snow Plow Prep Package when Vortec 6.0L V8 is ordered; requires Vortec 6.0L V8 engine)
Alternator, dual, 125 amps each (Included with Snow Plow Prep Package when DURAMAX 6.6L Turbo Diesel engine is ordered; requires DURAMAX Turbo Diesel engine)
Battery, heavy duty, 600 cold-cranking amps, maintenance-free with rundown protection and retained accessory power
Battery, auxiliary, heavy duty, 600 cold-cranking amps, maintenance-free (not available with DURAMAX 6.6L Turbo Diesel engine)
Battery, heavy duty, dual, 730 cold-cranking amps, maintenance-free with rundown protection and retained accessory power (included and only available with DURAMAX 6.6L Turbo Diesel engine)
Brakes, 4-wheel antilock, 4-wheel disc
Brake Controller, integrated trailer
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
Differential, heavy duty automatic locking rear
Engine block heater
Exhaust, aluminized stainless-steel muffler and tailpipe
Frame, hydroformed
Skid Plate Package, frame-mounted shields, includes front underbody shield starting behind front bumper and running to first cross-member, protecting front underbody, oil pan, differential case and transfer case
Snow Plow Prep Package, includes 15-amp power for backup and roof emergency light, high-flow front bumper, forward lamp wiring harness, Provision for cab roof mounted lamp/beacon, instrument panel jumper wiring harness for electric trailer brake controller and Skid Plate Package
Steering, power, recirculating ball
Suspension, front, independent torsion bar
Suspension, rear, 3-stage springs
Suspension Package, Handling/Trailering, heavy-duty includes 46 mm piston monotube shocks and 34mm front stabilizer bar
Suspension Package, Off-Road, includes 1.81" shocks, off-road jounce bumpers, 36mm front stabilizer bar, skid plate package and Z71 decals on rear quarters
Switch, high idle
Transfer Case, with floor-mounted shifter (4WD models only)
Transfer Case, electronic shift with rotary-dial controls (4WD models only)
Transmission, 6-speed automatic, heavy duty, electronically controlled with overdrive and tow/haul mode (standard with Vortec 6.0L V8 SFI engine only)
Transmission, Allison 1000 6-speed automatic, electronically controlled with overdrive, electronic engine grade braking, and tow/haul mode (standard with DURAMAX 6.6L Turbo Diesel V8 engine only)

Transmission

	Reg/Ext and Crew		Ext and Crew Cab
	Work Truck	SLE	SLT
Rear axle, 3.73 ratio
Rear axle, 4.10 ratio (available with Vortec 6.0L V8 SFI engine only)
Transmission, 6-speed automatic, heavy duty, electronically controlled with overdrive and tow/haul mode (requires Vortec 6.0 V8 engine)
Transmission, Allison 1000 6-speed automatic, electronically controlled with overdrive, electronic engine grade braking, and tow/haul mode (requires DURAMAX 6.6L Turbo Diesel engine)

Steering

Turning Diameter	Regular Cab	Extended Cab	Crew Cab
Turning Diameter	Long Box	Long Box	Long Box
Turning diameter, curb-to-curb, ft (single rear-wheel models)	45.3	52.5	55.1

Features	Reg/Ext and Crew		Ext and Crew Cab
Features	Work Truck	SLE	SLT
Skid Plate Package, frame-mounted shields, includes front underbody shield starting behind front bumper and running to first cross-member, protecting front underbody, oil pan, differential case and transfer case
Snow Plow Prep Package, includes 15-amp power for backup and roof emergency light, high-flow front bumper, forward lamp wiring harness, (TRW) Provision for cab roof mounted lamp/beacon, instrument panel jumper wiring harness for electric trailer brake controller and (NZZ) Skid Plate Package
Steering, power recirculating ball
Suspension, front, independent, torsion bar
Suspension, rear, 3-stage springs
Suspension Package, handling/trailering, heavy duty, includes 46-mm piston monotube shocks, and 34-mm front stabilizer bar
Suspension Package, Off-Road, includes 1.81" shocks, off-road jounce bumpers, 36mm front stabilizer bar, skid plate package and Z71 decals on rear quarters
Transfer case, with floor-mounted shifter (standard with 4WD models only)
Transfer case, electronic shift with rotary dial controls (4WD models only)

* The Manufacturer's Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees and optional equipment. Click here to see all GMC vehicles' destination freight charges.