* Model Variations: Massey Ferguson 165s were produced over a period of time, and the power steering systems may have varied.
* Fluid Type: The correct fluid for your power steering pump may not simply be a weight, but a specific type, such as ATF (Automatic Transmission Fluid) or a dedicated hydraulic fluid.
* Manufacturer Specifications: The most accurate information will come from your tractor's owner's manual or the Massey Ferguson service documentation.
How to Find the Right Information:
1. Locate your Owner's Manual: This is the primary source of information for your tractor. It will have specific maintenance instructions and fluid recommendations.
2. Consult Massey Ferguson Documentation: You may be able to find service manuals and parts catalogs online or through a Massey Ferguson dealer.
3. Contact a Massey Ferguson Dealer: They will have access to the most up-to-date information for your specific tractor model.
Important Note: Using the wrong type or weight of fluid in your power steering system can damage the pump and other components. It is essential to follow the manufacturer's recommendations.