Description
Nothing’s more frustrating than finding gear oil pooled under your tractor or hearing that telltale drip when you shut her down for the night. When transmission seals start leaking, you’re not just losing expensive gear oil – you’re setting up for bigger problems down the road. This countershaft seal keeps your transmission properly sealed and lubricated, so you can focus on getting work done instead of watching fluid levels.
What You’re Getting
- Direct replacement seal that fits like the original – no modifications needed
- High-quality construction that handles the heat and vibration of farm work
- Proper sealing prevents gear oil leaks and keeps dirt and moisture out
- Durable materials designed for the demanding conditions these old workhorses face
Built for Real Farm Work
This seal fits the tried-and-true Ford NAA Jubilee and the 600, 700, 800, 900, and 2000 series tractors with 4-speed and 5-speed transmissions from 1953 to 1964. These are the tractors that built American farms – reliable, simple machines that are still earning their keep on small farms, hobby operations, and around barnyards everywhere.
Made to Last
Farm equipment from this era was built to run for decades, and your seals should be too. This seal uses modern materials that resist the temperature swings, chemicals, and constant vibration that older rubber seals couldn’t handle. It’s designed to seal properly against shafts that might show some wear but still have plenty of life left in them.
Good to Know
Replacing this seal typically requires splitting the tractor, so it’s often done during other transmission work or engine overhauls. If you’re tackling this job yourself, take your time with the reassembly – proper torque and alignment are critical. While you’re in there, it’s smart to inspect other seals and gaskets that might need attention.






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