Official mpg figures aren't typically made publicly available for heavy-duty trucks so we found out what real owners report ...

For owners running the 6.7 Cummins platform in high-demand dual-purpose applications, addressing the thermal and ...

Since 1989, RAM (earlier Dodge RAM) has been using engines made by Cummins on their popular pickup trucks. The journey, which started with the first generation 5.9-liter 160 hp turbo diesel, has ...