High-horsepower tractors run continuously during hay harvesting windows to preserve maximum plant forage value. They power high-speed disc mowers to drop fresh grass, sweep windrows with rotary rakes, and run high-density balers. Consistent engine power and responsive PTO clutches ensure dense, clean, and transportable bales of hay that feed livestock throughout barren winter months. https://www.biztobiz.org/articles/reasons-why-a-second-hand-tractor-serial-number-might-be-missing