Uploaded April 2016 | Updated September 2026, 2 hours ago

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The Ultimate Callout Challenge 2016 Event will be held in Salt Lake City Utah

North West Dyno Circuit and Diesel World Magazine have partnered up and are calling out the best of the best trucks. No voting, no application process, just the top 32 craziest fire breathing diesel pickup trucks in North American and Canada. This event is all about the power, no matter how it's done as long as it's done with a Diesel Engine Period (Cummins, Duramax, Powerstroke).


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