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Fiat 540 4WD tire size

Factory tire pairs for the Fiat 540 4WD (54 HP, 4WD):

  • 54 HP
  • 4WD
Rear12.4-32Front9.50-20
4WD
Rear12.4-32
Outside dia.
1,360mm
Width
315mm
Rim
32″
radial equivalent: 320/85R32 (12.4R32)
Front9.50-20
Outside dia.
≈991mm
Width
241mm
Rim
20″
radial equivalent: 9.5R20

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

Also written as: Fiat 5404WD · Fiat 540-4WD

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

4WD ratio check and other tools →

Source: gwtractors.com.au

FAQ

What is the front tire size of the Fiat 540 4WD?

The Fiat 540 4WD comes from the factory with 9.50-20 front tires.

What is the rear tire size of the Fiat 540 4WD?

The Fiat 540 4WD comes from the factory with 12.4-32 rear tires.

Can I fit a different tire size on the Fiat 540 4WD?

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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