What Type engine oil in ford 1920 tractor?

The Ford 1920 tractor typically requires a 10W-30 or 15W-40 engine oil, depending on the operating temperature and conditions. It's important to use oil that meets or exceeds the API service classification for diesel engines, such as API CF or better. Always refer to the owner's manual for specific recommendations based on your tractor's model and usage. Regular oil changes are essential for maintaining engine performance and longevity.