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2025 GMC SIERRA 3500 HD CHASSIS CAB
MAX AVAILABLE TORQUE
975 LB.-FT.*
MAX AVAILABLE PAYLOAD
7,306 LBS.*
MAX GVWR
14,000 LBS.*
MAX GCWR
40,000 LBS.*
CAPABILITY
Proven powertrains.
AVAILABLE DURAMAX® 6.6L TURBO-DIESEL V8 ENGINE
- Paired with the Allison® 10-speed automatic transmission
- 975 lb.-ft. of torque and 470 horsepower
- A broad band of power and torque over the entire operating speed range
- Exhaust brake to improve control when towing
- Potent turbo vane actuator and tough valve springs
6.6L V8 GAS ENGINE
- Paired with the Allison 10-speed automatic transmission
- 401 horsepower
- 464 lb.-ft. of torque
- Compression ratio of 10.8:1
ALLISON 10-SPEED TRANSMISSION
- Close gear spacing that allows the engine to continually operate in an optimal range with varying load and terrain conditions
- Available chain-driven Power Takeoff (PTO) feature (available with the available Duramax 6.6L Turbo-Diesel V8 engine on 4WD models), is offered straight from the factory on the Allison transmission, so you can transfer power from the engine to aftermarket equipment,
* such as a generator or hydraulic pump
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DUAL ALTERNATORS
Available on both gas and diesel engines, the dual alternators can deliver a combined nominal rating of approximately 14 volts and 390 amps, and help power the tools your job requires.
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HILL START ASSIST
Momentarily engages the brake system to help prevent truck rollback when transitioning from brake to accelerator pedal or when parking on steep grades under certain conditions.
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PARK GRADE HOLD ASSIST
Helps prevent vehicle movement when shifting out of Park on a hill by automatically applying brakes at each wheel for an extended duration while trailering.
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STABILITRAK®
The electronic stability control system helps improve the chassis cab’s stability by detecting and helping reduce traction loss.
TECHNOLOGY
Stay confidently connected.
CUSTOMIZABLE SCREENS
An available 13.4" diagonal center touchscreen and available 12.3" diagonal digital Driver Information Center help keep you informed and entertained.
FIND A GMC SIERRA CHASSIS CAB
The Sierra 3500 HD Chassis Cab provides a strong foundation for a wide variety of aftermarket upfits
UPFIT* CHOICES
- Dump Bed
- Flatbed
- Utility/Service Body
- Platform/Stake Body
- Snowplow/Spreader
- Ambulance/Rescue Body
SPECIALTY VEHICLE MANUFACTURERS
To help make the upfitting
BUSINESS ELITE DEALERS
Work with a GMC Business Elite Dealer, and we’ll take the time to learn about your unique business challenges and offer you real solutions.
SPEC HIGHLIGHTS
MAX AVAILABLE PAYLOAD
6,775 lbs.*
OVERALL LENGTH
270.3"
MAX GVWR
14,000 lbs.*
CAB-TO-AXLE LENGTH
60"
MAX AVAILABLE GCWR
40,000 lbs.*
GROUND CLEARANCE
8.1"
OVERALL HEIGHT
80.1"
WIDTH AT REAR AXLE
89.2" - 95.4"
MAX AVAILABLE PAYLOAD
7,329 lbs.*
OVERALL LENGTH
239.8"–264.2"
MAX GVWR
14,000 lbs.*
CAB-TO-AXLE LENGTH
60" or 84.5"
MAX AVAILABLE GCWR
40,000 lbs.*
GROUND CLEARANCE
8.1"
OVERALL HEIGHT
80.1"
WIDTH AT REAR AXLE
