The H800 Master Key – The Heavyweight Digger Essential
Running a John Deere excavator but the AT195302 won't turn the barrel? That's because the diggers are a different breed. The H800 is the industry-standard key for John Deere and Hitachi excavators, and it's a must-have for any operator's keychain.
Why You Need This (Aside from Staying on the Good Side of the Site Foreman)
- Dual Brand Compatibility: This one key works across nearly all Hitachi and John Deere excavator models.
- Precision Cut: Manufactured to high tolerances so it doesn't jam in the ignition when the dust starts flying.
- The "Panic" Spare: These keys love to fall into the slurry at the bottom of a trench. Don't be the bloke without a spare.
Compatible Equipment
The H800 key is a confirmed fit for a massive range of tracked and wheeled machines, including:
- John Deere Excavators: 50, 75, 85, 120, 135, 160, 200, 225, 230, 270, 330, 350, 450, 650, 850 series and more.
- Hitachi Excavators: EX and Zaxis (ZX) series models.
- Case Excavators: Fits selected Case CX series models.
- Also fits: Some Fiat-Hitachi and newer Link-Belt equipment.
Technical Specs
- Part Number: H800 / AT194969 / 4367940
- Key Code: H800
- Design: Double-sided metal blade with a durable, easy-grip plastic head.
- Application: Main Ignition and Cab Doors.
Pro Tip: If your John Deere is a loader or a dozer, you probably need the AT195302. If it’s an excavator, this H800 is your winner.
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Tags: John Deere, Hitachi, H800, Excavator, Digging, Ignition Key.




