Description
When your door key goes missing or breaks, you’re locked out of your own tractor—and that’s not just inconvenient, it can leave you stranded in the middle of an important job. This replacement door key gets you back inside your cab quickly, whether you’ve lost your original key, need a spare for hired help, or your old key is worn down and won’t turn properly in the lock.
What You’re Getting
- Direct replacement key that works with your original door lock
- Quality construction that won’t break off in the lock cylinder
- Smooth operation that turns easily even with muddy gloves
- Exact fit for both Valtra and Massey Ferguson models listed
Built for Real Farm Work
This key works across a wide range of Valtra tractors from compact 365 models up through big 8000 series machines, plus Massey Ferguson 4400 series tractors. Whether you’re running a Valtra 6300 with a loader, operating a Massey Ferguson 4445 for row-crop work, or using any of these cab tractors for daily farm chores, this key fits the same lock system used across these series.
Made to Last
Farm keys take a beating—they get dropped in the dirt, bounced around in pockets with tools, and used in all kinds of weather. This key is built to handle the rough treatment that comes with farm life, maintaining its shape and functionality season after season.
Good to Know
Keep your spare key in a safe location away from the tractor so you don’t lose both keys at once. If your lock cylinder is giving you trouble beyond just a worn key, you may need to have the door lock mechanism serviced. A little spray lubricant in the lock occasionally keeps everything working smooth.



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