“There’s an affinity factor if you grew up around these tractors, but it goes way beyond that. These things, they’re basically bulletproof. You can put 15,000 hours on it and if something breaks you can just replace it.” Adam Belz in the Star Tribune on the hottest commodity in the commodity business. Old tractors. Without software. That just work. For tech-weary Midwest farmers, 40-year-old tractors now a hot commodity. Sometimes the plow factor beats the wow factor.