Thanks to the latest engine enhancements to the A26 (2021 GHG), the engine now boasts an additional 4% fuel economy benefit, achieved through engine design and system updates, compared with the A26 engine at launch, according to Navistar. Built from the MAN D26 engine crankcase, this latest version of the International A26 produces up to … Continue reading International touts A26 diesel engine fuel efficiency boost