The Case-IH 84136463 is a genuine OEM hydraulic tank, specifically designed for Case-IH Patriot series self-propelled sprayers. This critical component is responsible for the proper storage and management of hydraulic fluid, ensuring the efficient operation of the machine's hydraulic systems. It is a direct replacement and compatible with various Patriot models, including the 3240, 3340, 4420, 4430, and 4440. This part supersedes the previous OEM part number 87401031, guaranteeing fit and performance for specified agricultural applications.