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 |  Aug 15 2011, 7:00 PM

Heavy-Duty pickups were designed for abuse. And in order to see just how much they can handle, website Pickup Trucks.com put together it’s Heavy-Duty Hurt Locker Comparison test.

The idea was to pit the latest H-D offerings from Ford, General Motors and Ram (in this case the F-350 Super Duty, Sierra HD 3500 and Ram HD 3500) in a series of extreme towing tests, covering a distance of some 2,200 miles across the American West . The tests included navigating some of steepest grades in the country in some of the most extreme climates, hauling fifth-wheel gooseneck trailers of some 19,400 lbs behind each truck.

And when the dust finally settled, the GMC Sierra HD 3500 was judged the overall winner. “The GMC Sierra led with best-in-class performance, with wins in almost every test we put the trucks through,” declared Pickup Trucks.com’s editor Mike Levine.

GM engineers have instigated some changes on the 2012 model Sierra and Silverado HD, in order to improve towing capability; these include reinforced pickup box sills, stronger rear springs and box mounts and revised suspension tuning.

The result is an increase of some 2000 lbs in tow rating capacity, which now stands at an impressive 23,000 lbs. To see how the Sierra performed against its chief rivals in the Heavy Duty Hurt Locker test, watch the video below.

Hit the jump to see the video

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