Jun 19, 2026 1 hr

Aftertreatment

James Wendt of DPF Guys joins Buck Monson and Marcus Cudd, along with Charles “Bubba” Winslet from Monson Truck & Trailer, for a conversation on diesel aftertreatment. James is managing partner of DPF Guys in Atlanta and instructor of the TruckShop411 Aftertreatment course. They talk through the aftertreatment problems shops keep running into, and what the course covers. Bubba is a 20-year technician at Monson Truck & Trailer who works the shop’s toughest DPF problems. James posts breakdowns on TikTok at https://www.tiktok.com/@dpfguys. They also walk through the 2026 TruckShop411 Annual Meeting: the September 18–19 weekend in the Quad Cities, the Monson Truck & Trailer 20-Year Open House, the speaker lineup, and the agenda. https://www.truckshop411.com/annual-meeting/ The episode closes with questions for Buck on running a shop.

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Aftertreatment

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This episode was published on June 19, 2026.

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