Hands on with the Mack Granite, mDrive HD transmission
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FE On the Road: Hands on with the Mack Granite, mDrive HD transmission


Jason Morgan is the content director of Fleet Equipment.

Fleet Equipment Editor Jason Morgan visits the Mack Trucks Customer Center in Allentown, Pa., to take the Mack Granite, outfitted with the new mDrive HD automated-manual transmission (AMT), for a spin, while getting the inside story from Mack Trucks Vice President of Marketing John Walsh. The mDrive HD was specially designed for tough tasks like construction and heavy-haul applications. The mDrive HD is based on the  design of the standard-duty mDrive, a proven performer that Mack made standard in the Mack Pinnacle model in October 2014. The mDrive HD changes include:

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  • Reinforced internal components. With stronger gears and synchros, the mDRIVE HD is built to withstand more frequent shifting that is often needed in construction applications; and
  • Unique software packages, specific to the customer application. The “Enhanced Construction” package provides optimal on/off-road capability and gives the driver full control over any terrain. “EZ Shift” delivers smoother shifts for sensitive payloads like livestock or bulk liquids.

For more details, be sure to watch the video above for an in-depth look at the Mack mDrive HD.

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Fleet Equipment Magazine