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Fiat 640 tire size

Factory tire pairs for the Fiat 640 (64 HP, 2WD / 4WD):

  • 64 HP
  • 2WD / 4WD
Rear16.9-30Front9.5-24
4WD
Rear16.9-30
Outside dia.
1,485mm
Width
429mm
Rim
30″
radial equivalent: 420/85R30 (16.9R30)
Front9.5-24
Outside dia.
1,050mm
Width
241mm
Rim
24″
radial equivalent: 9.5R24

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 (ikincil)

FAQ

What is the front tire size of the Fiat 640?

The Fiat 640 comes from the factory with 9.5-24 front tires.

What is the rear tire size of the Fiat 640?

The Fiat 640 comes from the factory with 16.9-30 rear tires.

Can I fit a different tire size on the Fiat 640?

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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