POWER STROKE, ALSO KNOWN AS POWERSTROKE, 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.