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.

Exploring the history of Cummins’ venerable 5.9-liter diesel engine and its many revisions.

In a world of gas-guzzling V8s, the 5.9-liter Cummins turbocharged inline-six diesel dared to be different and became a legend ...