This genuine OEM drive chain, part number 3539041M93, is designed for McCormick and Massey Ferguson agricultural tractors. It features a pitch of 38.1mm, an inner width of 19.05mm, and a roller diameter of 19.05mm. With 120 links, this robust chain ensures reliable power transmission in compatible Massey Ferguson 100, 200, 500, 600, 800, and 8000 series tractors, including models like MF 135, 165, 240, 265, 590, and 8120. It is also cross-referenced with part number 3539041M92.