Maxxforce Engine Brake by Jacobs

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Uploaded by on Apr 5, 2010

Navistar and Jacobs vehicle systems have partnered to develope the most powerful and efficient engine brake in the industry.

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  • You gotta be kidding me! I've been driving a ProStar + for about four weeks. As far as I can tell the "Engine Break" is merely a light on the dashboard. I have to download and use the trolley breaks when going down steep inclines. A "Farce" of Nature would be more like it,

  • Have any video of the Diamond Logic system?

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