GMC 2010 GMC Sierra, Брошюра

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helps deliver smooth and immediate response
>
high-speed turbo reduces noise and vibration
> >
and reduced emissions >
firing pressure for strong, smooth performance >
the heavy-duty powertrains
For gasoline users, the standard
Vortec 6.0L V-8 uses an advanced
variable-valve-timing system to
shape power curves to the job.
With models that have less than
a 10,000-lb GVWR,
1
it is tuned for
excellent all-around performance.
With models that have more than
a 10,000-lb GVWR,
1 the engine is
tuned for pulling power, resulting
in a remarkable maximum Gross
Combined Weight Rating
3
(GCWR)
of 18,500 lbs.
Sierra 2500HD and 3500HD
pickups with the standard Vortec
6.0L V-8 feature the Hydra-Matic
6-speed automatic transmission.
It has two overdrive gears, which
help it offer an excellent balance
of performance and efficiency.
Like the Allison, it has a variety
g duramax diesel 6.6l v-8 turbo
of advanced features, including
driver-selectable Tow /Haul mode
to reduce excessive shifting when
towing or hauling a heavy load.
Engine grade braking helps you
maintain control on downhills.
Tuned To maTch anTicipaTed workloads ( >10,000-lb gvwr,
1
<10,000-lb gvwr
1
) g allison 1000 6-speed automatic
134507_11g_3.indd 1 8/26/09 10:18:31 AM