Ultimate Test Drive Video: Find Out What's Revolutionary About the Mack Twin Y Suspension

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Posted on February 26, 2014   |   5028 views

Get a close-up look at how Mack's "revolutionary new tandem drive axle suspension," the Twin Y, as Equipment Editor Jim Park takes a Twin Y-equipped Mack Pinnacle through its paces at the now-retired Mack Allentown Proving Grounds in this Ultimate test Drive video.


  1. 1. Safety [ February 28, 2014 @ 06:53AM ]

    Wear your seat belt.

  2. 2. Steve [ March 25, 2014 @ 02:07PM ]

    I was Mack Truck employee for almost 40 years. It is good to see them innovating again, like they used to, instead of imitating!


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