In the spring, when agricultural activities reach their peak, farmers invest more thought into their tractor choices. Among the various tractor brands available, John Deere is often the first choice. Whether you're considering a new purchase or a used one, the John Deere 420 tractor must be a popular option. Plus, there are plenty of John Deere 420 tractor parts available in the market, so you don't have to worry about finding the right components.