The John Deere CA12859 Pinion is an authentic OEM component designed for various John Deere agricultural and construction machines, including M, R, and RT series tractors, forage harvesters, wheel loaders, and cotton equipment. This genuine pinion ensures precise power transmission and durable performance, maintaining the integrity of your machinery's drivetrain system. With a length of 95 mm, width of 51 mm, height of 51 mm, and weighing 0.12 kg, it meets strict John Deere specifications for optimal fit and function.