Diesel truck fans may have heard the legends surrounding the 12-valve Cummins. Found in trucks like Dodge Rams from 1989 to 1998, its fully mechanical fuel system and rugged injectors are celebrated ...

As newer and flashier trucks became available, many people forgot about the older '89 to '93 Dodges. There's no doubt that this early 5.9L Cummins is a workhorse, but can it make power? The answer is, ...

The clearances inside diesel injection system parts are closer than those found in any other technology. The plungers and needle valves in injectors need to fit tightly to ensure precise metering and ...

RealTruck.com reports on the latest truck accessories, featuring new products to enhance vehicle performance and style.

With emissions standards for over-the-road truck engines becoming more stringent every year, meeting the ever-changing regulations forces diesel engine manufacturers to push the technology envelope ...

Cummins diesel engines are terrific ... with a few exceptions. There were a few years when their quality just wasn't up to snuff. Here are the years to avoid.