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C - C H A N N E LH Y D R O F O R M E D F U L L Y B O X E D
F R O N T
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TAKE MORE. TOW MORE. HAuL MORE.
To help you get more in every load, and get more done every day, the new Sierra HD has the
strongest frame we’ve ever built into an HD pickup. Crafted with high-strength alloy steel, and
fully boxed from front to rear, it is engineered for a maximum Gross Combined Weight Rating
(GCWR) of 29,200 lbs
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— the highest rating in its class.
F I G U R E 5 : R E A D Y T O P L O W
The sturdy boxed frame also allowed through-rail mounting for the tubular
chassis cross-members. This mounting gives maximum support and resistance
to twisting on uneven road surfaces.
F I G U R E 3 : S T R O N G E R M O U N T I N G , S T R O N G E R F R A M E
Adding a plow to Sierra HD is easy. Ask your dealer for the available Snow Plow
Prep Package, and your truck will be prepared for most current hydraulic snow
plows. It upgrades the front Gross Axle Weight Rating (GAWR) to 6000 lbs
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on diesel-equipped models, while the torsion-bar front suspension allows you
to make seasonal ride-height adjustments in minutes, with a single wrench.
T H E N E W H D F R A M E
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When properly equipped; includes weight of the vehicle and trailer combination, including the weight of the driver, passengers, fuel, optional
equipment and cargo in the vehicle and trailer.
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Maximum payload capacity includes weight of driver, passengers, optional equipment and cargo.
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Capacities and weight ratings are dependent upon model, engine, transmission and GVWR combinations. See your GMC dealer for details.
F I G U R E 4 : A L O A D . N O T A B U R D E N .
No other HD pickup offers more capacity in more models than Sierra.
The 3500HD Regular Cab 2WD Dual-Rear-Wheel (DRW) model has maximum
payload capacity of 6635 lbs.
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And GMC Sierra HD offers 2500- and 3500-
Series capacity on Single-Rear-Wheel (SRW) models as well, with maximum
payloads of 4192 lbs
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on 2500 models, and 4632 lbs
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on 3500 models.
L U M B E R B R I C K S F I E L D S T O N E M U L C H G R A V E L D I R T
For maximum strength, the new Sierra HD frame features a hydroformed front frame section.
This metal-forming process preserves uniform steel thickness throughout. To create the fully
boxed frame rails, two C-channel sections are overlapped—essentially, welding a frame
inside a frame—to form a box that resists sagging and bending.
F I G U R E 2 : A S O L I D F O U N D A T I O N F O R A S M O O T H R I D E
For the best strength-to-weight balance, the new Sierra HD frame is built up from three
individual sections. This design made it possible to optimize each section for its task, from
mounting the engine and transmission in the front section, to supporting the cab in the center
section, to providing a solid platform for a segment-leading maximum payload and efficient
fifth-wheel installation in the rear section. Together, these sections form a frame with almost
twice the resistance to bending as the previous model.
F I G U R E 1 : H I G H S T R E N G T H , L O W W E I G H T
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