The debate over 12V versus 24V Cummins is not just nostalgia versus modernity, it is a clash between two very different ways of making power. Both versions of the 5.9 are capable of serious work, big ...

Diesel truck fans may have heard the legends surrounding the 12-valve Cummins. Found in trucks like Dodge Rams from 1989 to 1998, its fully mechanical fuel system and rugged injectors are celebrated ...