Cummins offers its 6.7L Turbo Diesel as a crate engine in several variations. Here is how many versions it offers and the ...

While the lower compression ratio for the HO 6.7 seems counterintuitive, it allows Cummins to dial up the turbo boost pressures to make more power when needed while keeping emissions in check.

The 6.7 Cummins grid heater is prone to failure, but why is this? We'll discuss the reasons and the fixes for this ...

When looking at heavy-duty trucks from a few of the biggest industry players like RAM and Chevy, one deciding factor is which ...