5 Fatal Flaws of the B Series Cummins

From the killer dowel pin to a blown head gasket, these weak links can stop the almighty Cummins dead in its tracks.

2017 NHRDA Desert Diesel Nationals

Diesels beat the heat with an early spring drag race in Arizona.

Gateway to Power: Installing PHP’s Hydra Chip on a 7.3L Power Stroke

Maximized performance with zero downtime: Power Hungry Performance’s revolutionary tuning platform for the 7.3L Power Stroke.

This Truck Might Just Make You Feel Like a Superhero: AEV Dodge Ram Prospector XL

Forget the cape, this AEV-version of the 2017 Dodge Cummins 2500 4x4 will get you even farther.

11 Jeeps, Trucks & 4x4s That'll Make You Green With Envy

Just in time for St. Patrick's Day, we've compiled a list of the meanest, greenest 'wheeling machines you ever did see.

5 of the Fastest Cummins-Powered Dodge Rams in Existence

Triple-digit boost pressure, 1,500 hp and 8-second elapsed times — it’s all here!

New Product Spotlight: EZ Lynk Auto Agent

Tune, monitor, diagnose and data log using nothing more than your smartphone. We tested it on a 2017 Ford F-250 diesel.

Up Close and Personal With a Florida Mega Truck

Gigantic tractor tires, military axles and a Power Stroke diesel cranking out 600 horsepower… What’s not to like?

Diesel Sleepers: 5 Oil Burners Enjoying the Element of Surprise

About that stock-appearing diesel sitting next to you at the stoplight…

Florida Truck Fest: Burnouts, Tug O’ War & Drag Racing

Going fast, hooking bumper-to-bumper and obliterating tires — it’s all in a day’s work at this Florida venue.

11 Reasons Why the 12-Valve Cummins Is the Ultimate Diesel Engine

Unmatched robustness, simplicity and performance potential make the 12-valve 5.9L Cummins the Chevy small-block of the diesel world.

Intercoolers 101: A Turbocharged Engine’s Best Supporting Actor

Maximize the performance and durability of your turbocharger: Install an intercooler.

Take 5: Boss Coyote vs. Red Ram 2.0

Peek inside the minds of two different owners and their project builds: one, an 800 rwhp Grabber Blue Mustang; the other, a big red Ram 2500 diesel.

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