
LAS VEGAS -- A heavier-duty version of Mack's mDrive automated manual transmission will be standard on the Granite truck starting this March.
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In this three-part video test drive of a 2013 Mack Pinnacle, Equipment Editor Jim Park rides with Dave McKenna, Mack's director of powertrain sales. He explores the mDrive automated manual transmission and the Mack SuperEconodyne fuel-saving powertrain package.
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