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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.

The Slickest Diesel Street Trucks From U.C.C. 2021, Part 1

In a solid show of support for Nitto tread, we show you 3 styles of diesel show trucks; a no-expense spared example, a moderate build, and the most common show truck

Nitto NT420V Tire Review: Bringing an Upcoming Classic Truck into the Modern Era

Nitto's NT420V tire is the perfect match for this millennium-era diesel hauler.

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.

Paths To Power: The Mixed Bag That Is Diesel Performance

When it comes to big power diesels, there is definitely more than one way to skin a cat. Here are a few.

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.

How To Make Your Diesel Engine Last As Long As Possible

Racking up hundreds of thousands of miles isn’t rocket science, even in the modern era of highly complex diesel engines.

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.

Hot-Rod Semis: The 20,000-LB Monsters Of The Dirt

These chassis-tweaking, wheel-lifting torque monsters never disappoint.

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.

Project Slate: Lifted Heavy-Duty 2013 RAM 3500 Cummins Diesel

BDS Suspension's test truck was built for work and play, and they've had a lot of fun with this pickup.

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