Diesel World Magazine - December 2025

In this issue

The December issue of Diesel World closes out the year with a power-packed lineup of builds, tech, and holiday buying guides for every diesel fan. On the cover, Diesel Duo shines in Daytona showcasing a custom hauler and matching motorcycle that turn heads wherever they roll. Inside, the Poor Diesel Challenge 2025 highlights grassroots competition at its finest with a $10,000 RWYB shootout, proving big fun doesn’t always require a big budget. Holiday gearheads get treated to multiple buyer’s guides from new wheels and tires to gift picks for Duramax and Power Stroke fans, making sure every truck enthusiast finds something under the tree.
Tech lovers will dig into a 7.3L HPOP install with Riffraff Diesel, plus updates on rust protection with KBS Coatings. Features like a Cummins-swapped C10, Chance Frank’s redemption story in Filling the Void, and Every Dodge Needs Some Love bring fresh ideas and inspiration to the table. Event coverage keeps the pulse strong with a look back at Carlisle Truck Nationals 2025, while Influencer Insider spotlights the “7.3 Queen” making waves in the community. With parts rundowns, event recaps, and jaw-dropping builds, this issue is a must-read for anyone living the diesel lifestyle.