Learn more about the history and specs of the legendary 7.3 Power Stroke diesel engine and when International Navistar produced it for Ford.

When Ford came out with the 7.3L Power Stroke turbo diesel engine, it was immensely popular, so why did Ford discontinue its production?

Ford's F series of pickups currently offer two choices: a 7.3L gas engine and a 6.7L diesel. Each is good at certain tasks, so here are the main differences.