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The Peterbilt-Cummins SuperTruck project achieved almost-unheard-of gains of 68% in freight efficiency over a 24-hour duty-cycle, a 50% improvement in freight efficiency on an 11-hour drive-cycle and a 20% improvement in the thermal efficiency of the engine. How did they do it, and what does that mean?
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By the time the Cummins/Peterbilt SuperTruck made its public debut in February boasting 10.7 mpg, some contemporary trucks were achieving better than 8 mpg, and some super-fuel-conscious fleets boast even higher. While that may make the SuperTruck accomplishment seem slightly diminished, that 10.7-mpg milestone is only a small part of the story.
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This series of photos reveals most of the secrets behind the effectiveness of the SuperTruck, particularly its aerodynamic enhancements. No stone was left unturned by engineers who were looking for every possible aero advantage. Some of what you see here will soon make its way onto production vehicles, while other enhancement may still be a few years off. (Photos: Jim Park)
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Bendix SmarTire, which monitors tire pressure and temperature, is now available for Peterbilt Models 579 and 567.
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The Eaton UltraShift Plus is available in the 13-speed MHP and 10-speed LAS series and the 11.9-liter Cummins Westport ISX12 G is available up to 400 horsepower and 1,450 lb.-ft. of torque.
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Bill Rethwisch of Tomah, Wis. captured Best of Show honors with his green and white 2013 Peterbilt 389 at the 32nd Annual Shell Rotella SuperRigs competition held May 15-17 at zMAX Dragway in Concord, N.C.
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Bill Rethwisch of Tomah, Wis. captured Best of Show honors with his green and white 2013 Peterbilt 389 at the 32nd Annual Shell SuperRig competition held May 15-17 at zMAX Dragway in Concord, N.C. See pictures of his truck and other winners, along with photos of the truck parade and nighttime truck light show.
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Minimizer is now manufacturing custom made floor mats for the Peterbilt 379 truck.
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Marking Peterbilt’s anniversary, a new limited-edition book – Peterbilt 75 Years of Class – is now available through the Peterbilt Store at www.peterbilt.com.
Read More →The parent to truck makers Peterbilt and Kenworth, Paccar, has increased first quarter revenue along with net income and is predicting higher sales for the industry overall this year.
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