UCC

From humble beginnings in 2016 to a powerhouse showcase of diesel mastery, the Ultimate Callout Challenge has grown into more than just an event - it's a proving ground where legends are made... Every year, the diesel community comes together to witness records fall, engines roar, and champions rise. Through thunderous drag passes, jaw-dropping dyno runs, and gritty sled pull battles, UCC has become the ultimate stage for determination, innovation, and raw horsepower.

Also known as: Ultimate Callout Challenge