The new engine produces up to 300 horsepower and 660 lb-ft of torque, and it will initially power Kentworth's semis.

Most four-cylinder diesel engines that powered a lot of European ... In the early 2000s, Ford introduced the 6.0-liter Powerstroke that was intended to replace the 7.3. The 6.0 had more power ...

Skyactiv-Z promises prolong the life of Mazda's six-cylinder engines by reducing emissions and improving fuel economy.

A revised Cummins turbo-diesel six-cylinder engine makes the refreshed 2025 Ram 2500 one of the slickest-driving heavy-duty ...