What kind of hydraulic oil do I use in my international 674 tractor?

For your International 674 tractor, it’s recommended to use a high-quality hydraulic oil that meets the specifications of ISO 46 or equivalent. Look for oils that are compatible with both hydraulic and transmission systems, often categorized as UTF (Universal Tractor Fluid). Always check the owner's manual for specific recommendations and ensure the oil is suitable for the operating conditions of your tractor.