What type of oil does a Massey Ferguson 431 take?

The Massey Ferguson 431 typically requires hydraulic oil that meets the specifications of ISO 46 or 68, depending on the operating temperature and conditions. It's important to use oil that adheres to the manufacturer's recommendations, such as MF-1135 or a similar specification. Always consult the owner's manual for the exact requirements and any specific oil brands or types that are recommended for optimal performance.