Gone are the days where updated HP and torque specs tell the full tale of a new engine launch. Cummins optimizing its 2021 engines on the foundation of its 2017 X15 and X12 platforms shows that there’s still plenty of operational efficiency to be reaped from diesel powerhouses. It’s impressive, but it’s also complicated. It’s … Continue reading Unpacking the Cummins EPA 2021 X15, X12 engine details