Fuel efficiency is always top of mind. Cummins is delivering measurable gains with the new Cummins X15 GHG 27 engine—up to 4% ...

We took a look at more than just power output when picking these diesel engines. We've already reviewed the diesel engines ...

The 6.7-liter Cummins diesel has been powering Ram trucks for nearly two decades. One common problem is hydraulic lifter ...

In diesel performance, achieving optimal airflow is the cornerstone to unlocking your engine’s full potential.

When it comes to diesel engine upgrades, some modifications enhance performance and give your engine bay a distinctive look. Among these, a custom valve cover is an upgrade that delivers […] ...

Called the B6.7 Octane, Cummins' first gas engine is a turbocharged 6.7-liter inline-six that runs on 87-octane gasoline. Output ranges from 200 horsepower and 600 pound-feet of torque to 300 hp ...

CumminsCummins Inc. (NYSE: CMI), and key technology partners have celebrated the completion of a joint project to develop ...

Cummins engines are popular because of their reputation for reliability and undemanding maintenance and the availability of upgrades. Due to the robust design and plentitude of aftermarket parts ...

How the Cummins X15 GHG27 Aftertreatment system boosts serviceability, simplifies maintenance, and ensures EPA 2027 emissions compliance.