International T444E Diesel Engine The Navistar International T444E is a similar engine to the 7.3 Power Stroke. Of course, International built the 7.3 Power Stroke for Ford and they use this engine variant in their own applications, such as International trucks. However, there are a few differences. Below are some specs for the Navistar T444E engine. At the end of the article … [Read more...] about Navistar International T444E Engine