For Heavy Duty Jobs...A Heavy Duty Truck!

The new 2011 Chevrolet Silverado HD is ready for enormous undertakings. It starts with an available Duramax 6.6L Turbo-Diesel V8 that offers a maximum 397 horsepower and 765 lb.-ft. of torque, making it the most powerful heavy duty pickup on the planet.

Big Time Truck for Big Time Jobs: Contractors and those who tow and haul heavy loads routinely may not be immune to the economic downturn, but could find that improved fuel efficiency (and compatibility with B20 biodiesel) and capability make 2011 a good model year to consider replacing their biggest tools.

Despite minor appearance changes to the 2011 Chevrolet Silverado ZR-7 HD, underneath the all-to-familiar Silverado sheetmetal, though, is an all-new truck, starting with a new frame. This includes 11 all-new frames to accommodate variations of cab and cargo box length, 4x4 and rwd drivetrains.

The frame is now fully boxed end-to-end and boasts uprated crossmembers to achieve a 92 percent improvement in bending stiffness, a 20 percent gain in torsional rigidity.

From the Car Concerns Proving Grounds the 2011 Chevrolet Silverado Z-71 HD 4X4 Dura-Max Diesel with Allison 6 Speed Transmission gets the "Car Concerns Certified" Seal-of-Approval.

Recorded on September 22, 2010 using a Harry's Flip Video Camcorder at the Car Concerns Proving Grounds.

Special thanks to: Cat Smith of Cat Eye Photo Shoots

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