What type of hydraulic fluid does a Massey Ferguson 165 use?

The Massey Ferguson 165 typically uses a hydraulic fluid that meets the specifications of MF 1135 or equivalent. Commonly, a high-quality hydraulic oil with a viscosity of 10W-30 or 10W-40 is recommended. It's important to check the owner's manual or consult with a dealer for specific recommendations based on the operating conditions. Always ensure the fluid is designed for agricultural or tractor applications for optimal performance.