Built on its long-running Heavy-Duty Engine Platform, Daimler Truck North America’s new Gen 6 diesel engines utilize a novel ...

Toyota clearly got it right with this engine three decades ago, and it's still selling it virtually unchanged in new vehicles ...

Inline-six engines are well-balanced, and they have a great history of being reliable. Four engines in particular are ...

After the oil crisis of the 1970s and more stringent emissions standards that followed, manufacturers across the globe began ...

The LML was the 6.6-liter V8 engine behind many Chevrolet Silverado and GMC Sierra trucks between 2011 and 2016, but what made it so special?

The EPA is escalating its response to consumer complaints regarding DEF system failures, announcing a new investigation aimed ...

EPA demands DEF failure data from diesel makers. Investigation could force recalls and software fixes for engines already on U.S. roads. 30-day deadline set.

From its humble beginnings to its legendary status, this diesel engine proved that RAM trucks were a force to be reckoned ...

The Mercedes-Benz OM606 diesel engine, a reliable and durable inline-six that has been known to reach 500,000 miles without ...

You own a diesel-powered vehicle and are thinking of giving it a tuneup. But does your diesel even have spark plugs to change? The short answer is no, diesel engines do not have spark plugs. Instead, ...

Long-haul truckers and diesel engine enthusiasts had to rethink their entire operations in 2010 when the Environmental Protection Agency mandated selective catalytic reduction technology. Selective ...

Those of us who drive pickup trucks expect quite a bit from our trucks’ engines. As we put them to work, whether that’s on the job, around the farm, or just doing truck stuff, there are things that ...