The heavy cast-iron wheels of an old tractor provided essential weight and traction needed to pull stubborn implements through heavy clay soils. Before rubber pneumatic tires became standard industry equipment, steel wheels with sharp cleats bit deep into the ground. Though rough on paved roads, they delivered unbeatable pulling power across raw, unbroken fields. https://talvixo.com/restoring-a-forgotten-old-tractor-full-transformation/