When your TEF20 starts leaving oil spots in the barn or you notice fluid levels dropping faster than they should, the front gearbox seal is often the culprit. This little seal sits in one of the hardest-working spots on your tractor, keeping gear oil where it belongs while dealing with the constant motion and heat from the transmission. Getting it fixed now saves you from bigger problems down the road. What You're Getting Precision-molded seal designed specifically for the TEF20 front gearbox application Quality rubber compound that resists gear oil breakdown and temperature swings Exact 1 3/8 inch x 5/16 inch dimensions for a proper factory fit Durable construction that handles the vibration and stress of daily farm work Built for Real Farm Work The TEF20 was one of those dependable workhorses that farmers could count on for everything from cultivating to hay work. This seal keeps the front gearbox properly lubricated so your tractor can handle those long days in the field without transmission problems. Whether you're running implements or just getting around the farm, a good seal means smooth operation. Made to Last Farm equipment seals take a beating from heat, vibration, and constant use. This seal uses quality materials that stay flexible through temperature changes and resist cracking from gear oil exposure. The reinforced design handles the shaft movement and pressure changes that come with normal tractor operation. Installation Notes This is a straightforward replacement that fits right where the original seal went. Clean the seal surface thoroughly and check the shaft for any nicks or roughness that might damage the new seal. A thin coat of gear oil on the seal lip helps it slide into place without tearing during installation.