In fact, roughly a decade after Cummins began outfitting trucks bearing the Ram badge with engines, it delivered one of the worst diesels in its history, the so-called "53 Block." The notoriously ...

Instead, Cummins is tabbing the B-series lineup for that honor, with its octane engine debuting with the B6.7 badge. Those octane engines are being developed as a medium-duty option capable of ...