Cummins has kept its headquarters in Indiana since the company's founding over a century ago, where it's brought in more than $34 billion in revenue. Much of those profits came from the sale of diesel ...

Cummins turbodiesel inline six-cylinder engines have long been the backbone of heavy-duty Dodge Ram trucks. Since their launch back in 1989, the oil burners have gone on to provide muscle for Ram's ...

Both Cummins and Ford offer 6.7-liter diesel engines. They share a few similarities, but those don't go much further than their displacements.