As obsessive truck fans, we here at Truckblog love to get spy shots of up and coming vehicles from every manufacturer. It gives us the opportunity to see what will be coming to the market, a few months or even a full year before production begins.

Truckblog has just learned of several spy shots of GM's new heavy duty line of pickups. According to Popular Mechanic's website, "For the first time GM will have unique styling for its heavier pickups. Behind the camouflage you can see the more aggressive grille and headlight treatment. Under the hood you can bet there’s a Duramax diesel. Our sources indicate the Duramax will remain close to its current ratings of 360 hp and 650 lb-ft. of torque."

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