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Fiat 55-90 tire size

Factory tire pairs for the Fiat 55-90 (55 HP, 2WD / 4WD):

  • 55 HP
  • 2WD / 4WD
Rear12.4-36Front7.50-16
2WD
Rear12.4-36
Outside dia.
1,465mm
Width
315mm
Rim
36″
radial equivalent: 320/85R36 (12.4R36)
Front7.50-16
Outside dia.
805mm
Width
205mm
Rim
16″
4WD
Rear14.9-30
Outside dia.
1,415mm
Width
378mm
Rim
30″
radial equivalent: 380/85R30 (14.9R30)
Front11.2-24
Outside dia.
1,105mm
Width
284mm
Rim
24″
radial equivalent: 280/85R24 (11.2R24)

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 5590 · Fiat 55 90

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

4WD ratio check and other tools →

Source: agridaten.de

FAQ

What is the front tire size of the Fiat 55-90?

The Fiat 55-90 comes from the factory with 7.50-16 or 11.2-24 front tires.

What is the rear tire size of the Fiat 55-90?

The Fiat 55-90 comes from the factory with 12.4-36 or 14.9-30 rear tires.

Can I fit a different tire size on the Fiat 55-90?

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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