Diesel World - October 2025

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The latest issue of Diesel World brings the heat with exclusive features, big builds, and must-see tech. On the cover is Fighter-Built, a deep dive into Brendan Schaub’s one-of-a-kind Power Stroke–powered H1 Hummer, a build that combines aggressive style with serious capability. We explore the mysterious and futuristic XSR 48, a high-performance speed boat that promised incredible potential but may have never officially hit the market. Inside, you’ll find Bombshell, a custom F-250 that lives up to its name in every way; Keep On Cummins, the story of Kevin Callaway’s first-gen Dodge transformed into a desert-ready prerunner; and Daddy’s Girl, a feature on Carley’s second-gen Ram, built with heart and horsepower. We also spotlight The Best Daily Driver—Ever, Andrew’s fifth-gen Ram designed for everyday use without compromising performance, along with a behind-the-scenes profile of Durtymax Jack in this month’s Influencer Insider. From the show field, we take you inside NHRDA Truckin’ in Tulsa 2025, where the diesel crowd brought the smoke, shine, and action. In the tech section, we guide you through a fifth-gen flat tappet conversion and provide an update on our editorial build, Stock to Not, which continues to chew through challenges, including its overdrive housing. Whether you're into show trucks, performance upgrades, or real-world diesel builds, this issue delivers it all.