John Deere is a well-known American tractor manufacturer founded in 1837. It is the world's largest producer of agricultural machinery and is one of the leading companies in the industry. The company produces a wide range of tractors, from small garden tractors to large agricultural tractors. It also manufactures other agricultural equipment such as combines, balers, and hay tools. John Deere is a trusted name in the farming industry and its products are known for their quality and reliability.