What fluid do i use in a 1920 ford tractor?

For a 1920 Ford tractor, you should use a high-quality hydraulic fluid that meets the specifications for the tractor's hydraulic system. Typically, ISO 32 or 46 hydraulic oil is recommended, but always consult the owner’s manual for specific fluid requirements. Additionally, ensure that the oil is suitable for the ambient temperature conditions in which the tractor will be operating. Regular maintenance and fluid checks are essential for optimal performance.