Ford and Navistar have had a long and arduous relationship with each other, with the latter supplying diesel V8 engines for use in Ford's largest consumer-grade trucks. Early 7.3-liter units ...

Even though the 5.9L Cummins and 7.3L Power Stroke diesel engines are no longer in production, they’re still popular engines.

From May 2007 to May 2008, the percentage of Ford Super Duty trucks with Navistar diesel engines has dropped from 75 percent to 60 percent. It's a situation unlikely to turn around any time soon.

Mercedes-Benz has been building diesel engines for almost 100 years. Here are the six most powerful diesel engines it has ...

Ford began installing 7.3-liter diesel engines, developed in conjunction with Navistar International, in its trucks in 1988. That first version featured indirect fuel injection, or IDI ...

If you're involved in the diesel truck world ... its reliability is truly the engine's winning characteristic. Looking at figures for the nearly identical Navistar T444E on which the 7.3L Power ...

Navistar plans to combine its in-cylinder technology engine with the Cummins aftertreatment solution to create what the company calls ICT+. "With this clean engine solution, we are taking the best ...