<page_title> Ford Super Duty engine </page_title> <section_title> Design </section_title> <table> <cell> 401 cu in (6.6 L) <col_header> Configuration </col_header> </cell> <cell> 4 1⁄8 in × 3 3⁄4 in (104.8 mm × 95.3 mm) <col_header> Bore x stroke </col_header> </cell> </table>
The 401 has a cylinder bore and a stroke of 4 ¹⁄₈ in × 3 ³⁄₄ in (104.8 mm × 95.3 mm).