Steven Roberson’s 2019 Peterbilt 389

Updated Jun 17, 2026

Roberson 2020 08 05 15 21

Steven Roberson owns this 2019 Peterbilt 389, which he calls “Ruby.” The rig is powered by a 565-hp Cummins X15 with an 18-speed and 3:36 rears. The truck sports a 290-inch wheelbase.

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