Description
If you’ve been wondering why your speedometer isn’t working or is bouncing all over the place, this little shaft is likely the culprit. The proofmeter (that’s what Ford called their speedometer) needs this drive shaft to spin smoothly and deliver accurate readings. When it’s worn or broken, you lose track of your ground speed—not great when you’re trying to maintain consistent application rates with your sprayer or planter.
What You’re Getting
- Precision-machined shaft that spins your speedometer cable smoothly
- Durable construction built to handle the constant rotation and farm vibration
- Direct replacement for worn original equipment—no modifications needed
- Compatible with both cable-driven and early electronic speedometer systems
Built for Classic Farm Work
This shaft fits the legendary Ford 8N and 9N tractors that are still earning their keep on farms across the country. Whether you’re using your classic Ford for hay work, cultivation, or just getting around the farm, having an accurate speedometer helps you work more efficiently and maintain consistent field operations.
Made to Last
These old Ford tractors were built when things were made to last, and this replacement shaft follows that same philosophy. It’s manufactured from quality steel with proper heat treatment to resist wear from constant spinning. The gear teeth are cut to precise tolerances to mesh properly with your transmission gears.
Good to Know
Installation involves accessing the transmission area, so plan on spending some time under the tractor. While you’re in there, check your speedometer cable for kinks or breaks—a bad cable can damage a good drive shaft. If your cable is original, this might be a good time to replace both components together.
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