Chevrolet 2011 Silverado 3500 HD Crew Cab Owner's Manual download pdf (Page 5)

Head to chevy.com/NewSilveradoHD to see how we made Silverado HD stronger than ever.

B20 BIODIESEL

The available Duramax

Diesel can run on B20

biodiesel,

a fuel that’s

produced using domestic,

renewable resources.

B20 is composed of

20% biodiesel mixed

with regular diesel. The

new, available Duramax

runs cleaner too, with a

60% reduction in NOx

emissions from our

previous model. That’s

thanks to an optimized

Diesel Emissions Fluid

(DEF) system. The

combustion system and

after-treatment have also

been optimized, offering

up to 700 miles between

Diesel Particulate Filter

(DPF) regenerations.

The crown jewel of the heavy-

duty realm is the Duramax 6.6L

Turbo-Diesel V8 engine. But

to remain an HD leader, we

decided to look at everything

that made the available

Duramax great and make it even

better. This proven powerplant was

enhanced to generate more maximum

horsepower and torque than ever before —

an incredible 397 hp and 765 lb.-ft. of torque —

yet our engineers managed to make it quieter than before and improve

highway fuel economy by more than 11%.

Remarkably, when you take that

improvement and combine it with our 36-gallon fuel tank, it offers up to 680

highway miles on a single tank. Harnessing all that power and efficiency is the

renowned, beefed-up Allison six-speed, a transmission that’s been earning

its heavy-duty credentials for nearly a decade. And let’s face it — you don’t

want to leave your towing fate in the hands of an unproven transmission when

you’re pulling a massive load through the mountains. Need more proof on just

how tough Allison transmissions are? You’ll

find them in a lot of medium-duty

commercial-grade vehicles. Another engine choice is our standard Vortec 6.0L

V8 gas

engine with Variable Valve Timing (VVT) that optimizes high-end power

and low-end torque — enough for 360 horses and 380 lb.-ft. of torque.

Shown at right: Available Duramax 6.6L Turbo-Diesel V8 engine. Shown above: Available Allison six-speed automatic

transmission. 1 Based on GM testing. 2 Requires ASTM grade B20 biodiesel fuel.

for heavy-duty

trucks, torque

is king.

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Chevrolet 2011 Silverado 3500 HD Crew Cab Owner's Manual Page 5

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