5.9-Liter Cummins: Second Generation (Late 12-Valve, 1994-1998, P7100 Injection Pump) In 1994, the 5.9-liter Cummins was similar in many ways to the 1989-1993 engine.

The first-gen 5.9-liter Cummins (6BT) wasn't the only diesel engine available for light-duty pickup trucks, but it was a game changer that worked wonders for boosting sales of Ram trucks.

Even though the 5.9L Cummins and 7.3L Power Stroke diesel engines are no longer in production, they’re still popular engines. Here’s how they compare.

He blew the engine twice, so he decided to swap it for a 6BT six-cylinder. The 6BT is an older, 5.9-liter diesel that Cummins built from 1984 to 1998. In stock form, it was rated at 230 horsepower ...

If you're sold on the 5.9 Cummins (and fair enough, it's a beast when it's right), aim for the 2003 to 2007 model years. These trucks use the high-pressure, common-rail injection system, ditching ...

ST. PETERSBURG, FL. Cummins gave reporters an overview of how its heavy- and medium-duty 2007 engines will differ from its current models as the engine maker prepares to roll ...