| October 20, 2010

Tempe, Ariz., resident Trent Waller hauls milk in the Southwest in his 2007 Peterbilt 379. The truck is equipped with a 550-hp Cat and an 18-speed Eaton Fuller transmission. Waller has added custom touches as well, including aftermarket fenders, stainless steel steps, a custom-built flush-mounted bumper, and some diamond plating.

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