This genuine McCormick 6678372A1 gear, also known as a pinion, is an essential component for various McCormick agricultural machines. Featuring 12 teeth, an outer diameter of 51 mm, an inner diameter of 22 mm, and a width of 16 mm, this robust gear ensures reliable power transmission. Weighing 0.12 kg, it is designed for precise fit and long-lasting performance in demanding operational environments, fitting a wide range of McCormick CX, MC, MTX, X4, X5, X6, X7, X8, and XTX series tractors.