Heather Griffith drives this 2014 Peterbilt 389 glider, powered by a 12.7-liter Series 60 Detroit with a 13-speed transmission. The truck features a custom grille, along with color-changing lights all the way around. Griffith pulls a 2023 Kaufman RGN with the rig. She also owns a 2020 Freightliner Coronado glider that's paired with a 55-ton RGN.
[Related: Dywana Miller's 2013 Kenworth T660 hauls doors, machinery]
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