Recent Articles
Inside the '21 U.C.C. Champion’s 2,500HP Cummins-Powered 2006 Ram Pickup
The bombproof Cummins engine, wild turbos and high-flow fuel system that landed Justin Zeigler in the 2021 winner’s circle.
Ultimate Callout Challenge 2021: The Tightly-Contested Event All Comes Down To The Sled Pull
No U.C.C. champion can be crowned without first conquering the iron sled—so 13 diesel trucks took to the dirt to determine a winner.
Ultimate Callout Challenge 2021: Diesel Drag Racing From Indy
The baddest diesels in the land take to the track—and put up 5-second eighth-mile elapsed times.
The No-Prep Diesel: Ethan Patterson’s Game-Changing 1,500hp 4x4 Cummins
With a nitrous-fed Cummins and four-wheel drive, this 4,400-pound Dodge Ram isn’t your average street outlaw…
The Volkswagen Touareg Is Your V10 Turbo Diesel Alternative Off-Road 4x4
The Touareg is a legitimately rugged trail beast that shames the vast majority of the mall crawler SUVs.
Old-School Diesel Swaps (Including a 3,000HP Supercharged Duramax Hot Rod)
A diesel-powered ’50 Chevy, a ’49 Cummins Power Wagon and a screw-blown Duramax coupe—three jaw-dropping conversions you have to see.
6.0L Power Stroke Problems, Part 9: All The Rest Of It
Just when you thought the major failures were over, there are still high-pressure oil leaks, cracked degas bottles and wiring harness issues to worry about.
