UCC Truck Show 2023: Maximum Performance Under Big-Time Pressure

Results from the Ultimate Callout Challenge truck show—the baddest diesel-performance contest ever.

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Upping The Ante - Ultimate Callout Challenge 2022 - Diesel World

New World Horsepower Record Set at Ultimate Callout Challenge 2022!

UCC Truck Show 2023: Huge Turbos, Big Horsepower, Massive Torque

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The Ultimate Callout Challenge 2023

UCC Truck Show 2023: Maximum Performance Under Big-Time Pressure

UCC Truck Show 2023: Huge Turbos, Big Horsepower, Massive Torque

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