The John Deere CA21779 is a genuine OEM shaft designed for various John Deere 6000 and 7000 series agricultural tractors. This critical component ensures efficient and reliable power transmission within the machinery. With a confirmed length of 227 mm and a weight of approximately 0.8 kg, it is manufactured to John Deere's rigorous specifications for optimal performance and longevity. This shaft is a direct replacement for the original part, ensuring seamless integration and functionality in compatible models. It replaces the OEM part number AL110821.