One defining characteristic of old tractors is their straightforward mechanical design, allowing farmers to perform repairs directly in the field. Lacking complex electronics, computer chips, or delicate sensors, these machines relied on simple carburetors, mechanical governors, and heavy steel gears. Basic hand tools were usually all a farmer needed to service components and keep eng... https://www.aniarticles.com/79179-what-is-your-old-tractor-actually-worth-complete-farmer-guide