Power Stroke is the name used by a family of diesel engines for trucks produced by Ford Motor Company and Navistar International (until 2010) for Ford products since 1994. Along with its use in the Ford F-Series (including the Ford Super Duty trucks), applications include the Ford E-Series, Ford Excursion, and Ford LCF commercial truck. The name was also used for a diesel engine used in South American production of the Ford Ranger.