Turbocharged 6.0L Powerstroke Engine
In an era where so many diesel folks opt for a Cummins build, it’s refreshing to see a badass Powerstroke catch your eye. Harlan Clemons is one of those Powerstroke guys, and his turbocharged 6.0L was a sight to see at the Ultimate Callout Challenge. Check it out!
Compound-Turbo VP44 5.9L Cummins Engine
TJ Frey has been upgrading his first personal race truck for a few years now, and finally got it out to the Ultimate Callout Challenge to show off his work and hit the track. Check out this compound-turbo and nitrous-boosted VP44 5.9L Cummins build!
1952 Chevy with a 6.7L Cummins Engine
Mickey Unverstagt’s ’52 Chevy is a strikingly restored vintage pickup on the outside, and a down-to-business drag truck on the inside — complete with a decked-out 6.7L Cummins powerplant under the hood. Check it out!
Single-Turbo 6.7L Cummins Pro Mod Engine
Johnny Gilbert of Stainless Diesel has a brand-new setup this year to help him compete with the gas Pro Mod guys. He’s been dialing in a Pro Mod diesel Corvette featuring a Wagler Competition-built, all-billet, 6.7L Cummins engine. With 3,500 hp on hand, Gilbert is looking at 3.80s in the eighth! Check it out!
Twin-Turbo LML Duramax Dragster Engine
Mattie Graves competes in the Outlaw Diesel Super Series (ODSS) dragster class, and is the only female doing so. Sitting behind her dragster’s cockpit is a powerful twin-turbo LML Duramax capable of making 4-second passes. Check it out!
Iron Rod – a 1947 Federal with Dual Cummins Engines
WelderUp owner and TV personality Steve Darnell went to great lengths to build this vintage 1947 Federal welding truck, which has a 5.9L Cummins under the hood and a 4BT Cummins powering a Lincoln SA200 welder in the bed. This truck defines power in the front and utility in the back. Check it out!
Eric Merchant’s Compound Turbo LML Duramax
Eric Merchant of Merchant Automotive was another valiant UCC competitor who opted to run a single truck this year. Under the hood of his GMC is a compound turbo LML Duramax. Check it out!
Chris Patterson’s Triple-Turbo 6.7L Cummins Engine
Chris Patterson of Unrivaled Diesel earned a 4th place finish at the 2022 Ultimate Callout Challenge thanks to this powerful triple-turbo Cummins engine. Check it out!
3,000-HP LLY Duramax Engine
Brett Deutsch’s 1969 Chevy C10 currently holds the record for the fastest diesel-powered Pro Stock truck in the quarter mile. Under the hood is this single-turbo LLY Duramax engine. Check it out!
Derek Rose’s Triple-Turbo 6.7L Cummins Engine￼
Derek Rose of DNR Customs has one fast Cummins truck. In fact, it’s currently the fastest 4WD diesel truck in the world! Check out the triple-turbo 6.7L Cummins engine under the hood!
Dirty Hooker Diesel’s Turbocharged 460 cid Billet Aluminum Duramax Engine
Last Minute Hooker is a storied truck in UCC history, and this year, owner Tony Burkhard and his son Tyler continued that legacy with a third-place podium finish at the end of the weekend courtesy of their turbocharged 460 cubic inch billet aluminum Duramax engine. Check it out!
Single-Turbo 5.9L Cummins Engine
Trent Owens may be one of the only guys who keeps a camper shell on his truck while running in the 6.70 index class. But, a powerful 5.9L Cummins engine under the hood means he barely has to worry about it affecting performance. Check it out!