The 12-valve 5.9-liter Cummins I-6 engine was developed and installed in Dodge pickups starting in 1989, creating one of the most legendary partnerships in automobile history.

Among engine manufacturers, Cummins is well-known around the globe, with sales that reached $34.1 billion in 2023. The company has come a long way from the first Cummins engine built, and now ...