Diesel engines operate at higher compression ratios than gasoline engines, and fuel is injected under much higher pressure. An injection pump, usually driven by a belt or chain linked to the ...

Ford is the only major automaker to continue using the CP4 injection pump since first installing them on its 6.7-liter Power Stroke diesel engines. There are technically two versions of the CP4 ...

Engines have evolved to meet changing emissions standards. One innovation from Cummins to meet those standards was the mechanical injection P-Pump.