Engine power is a product of its overall displacement, but two similarly-sized engines with different bore and stroke characteristics don't perform the same.

Unless you drive a rotary-powered Mazda, the characteristics of your gasoline or diesel engine are largely defined by its bore (the width or diameter of the cylinders) and stroke (the distance the ...

MAN Diesel & Turbo has announced that its latest, mark-9, 80-cm-bore engine recently passed its Type Approval Test (TAT). The super-long-stroke S80ME-C9 engine now powers a Maersk Line container ...

Alabama Gov. Bob Riley, left, and Navistar and plant officials applaud the unveiling of the new MaxxForce big-bore engine to be built in Huntsville. International Truck and Engine announced Wednesday ...