The Claas 6005030004 Main Cylinder is a genuine OEM brake master cylinder designed for a wide range of Claas agricultural tractors. This critical component ensures reliable braking performance across various models including the Arion 400, 500, and 600 series, Axion 800 and 900 series, Axos, Atos, Elios, Nexos, and Talos series. Manufactured to Claas's stringent quality standards, it provides precise hydraulic pressure for safe and effective braking.