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Fiat 221R tire size

Factory tire pairs for the Fiat 221R (21 HP, 2WD):

  • 21 HP
  • 2WD
2WD
Rear9-24
Front4.00-15
Outside dia.
≈584mm
Width
102mm
Rim
15″

The tires on the tractor may not be original. A different size from the factory one can damage the transmission, especially on 4WD.

Take it to your tire shop: tractor-size.com

4WD ratio check and other tools →

Source: tractordata.com

FAQ

What is the front tire size of the Fiat 221R?

The Fiat 221R comes from the factory with 4.00-15 front tires.

What is the rear tire size of the Fiat 221R?

The Fiat 221R comes from the factory with 9-24 rear tires.

Can I fit a different tire size on the Fiat 221R?

Equivalent sizes with a very close outside diameter can be fitted (e.g. the radial equivalent). On 4WD, a changed front/rear ratio can damage the driveline, so check it with the 4WD ratio tool first.

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