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 to make this tractor model a viable option for long-haul trucking. But, how does driving a Peterbilt 579 with a natural gas engine compare to driving a diesel 579? CCJ Chief Editor Jason Cannon takes the truck for a test drive at the end of the video to find out.
In this video
00:00 - Peterbilt 579 With Cummins X15N00:17 - Engine and Truck Overview
04:43 - Test Drive
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