Mark Coffey owns this 2001 Peterbilt 379 EXHD, which he uses to haul equipment and materials for his commercial steel erector business. The truck features a 550-hp 6NZ Cat with an 18-speed. It's usually paired with a 2006 Reinke 48-foot drop deck. Coffey says he has owned Peterbilts since 1980, noting that his first one was a 359 model.
Mark Coffey's 2001 Peterbilt 379 EXHD
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