The second generation of 5.9L Cummins engine from 1994 to 1998 is one of the most desirable diesel engines – largely used in Dodge Rams — due to their power and durability. This is in part due to the Bosch P7100 inline mechanical injection, often referred to as the P-pump, which came to be in 1994 due to the new emission standards that went into effect that year, ensuring that the 5.9L Cummins could pass. Engines are often forced to be changed or discontinued, like the Ford 7.3L Power Stroke, to meet these ever-evolving standards….

Check out the original article: [Slashgear] What Year Did Cummins Engines Have The P-Pump?