It felt good to be behind the wheel of a brand-new tractor-trailer after months of COVID-induced quarantine – even if the plains of Central Texas aren’t the most scenic country a driver could ask for.
This Peterbilt 579 is powered by the Cummins X15N natural gas engine – Cummins' latest, greatest and biggest natural gas engine. Peterbilt has fully integrated the X15N with its Model 579 powertrain ...
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