The John Deere R135757 is a genuine OEM cover designed for the auxiliary drive system in a wide range of John Deere agricultural and construction machinery. This essential component provides protection for internal auxiliary drive mechanisms, preventing ingress of dirt, debris, and moisture. Manufactured to John Deere's rigorous specifications, it ensures a precise fit and long-lasting durability. It is compatible with numerous John Deere tractor, combine, and forage harvester models, including 7R, 8R, 9R series tractors, S600, S700 series combines, and 7000, 8000, 9000 series forage harvesters. Dimensions are approximately 95 mm length, 95 mm width, and 51 mm height, with a weight of 0.12 kg.