Millions of semi-tractors hit the road every single year to keep America running with everything from the mail and Amazon ...

Cummins engines have earned a bit of a cult following over the decades — and for good reason. In the U.S., they're the iron workhorses found in everything from pickup trucks to massive semis, and they ...

We tested our X12 in a Cascadia daycab on Interstate and two-lane highways in Western New York, near Cummins’ Jamestown plant. Photos: Jim Park Cummins’ new X12 engine is slated to hit the street ...

You might want to listen up, because Cummins engines have been playing you this whole time. By day? Sure, they look like your average, salt-of-the-earth diesel, hauling freight, towing trailers, and ...