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Fiat 55-46 tire size

Factory tire pairs for the Fiat 55-46 (55 HP, 2WD / 4WD):

  • 55 HP
  • 2WD / 4WD
Rear14.9-28Front6.00-16
2WD
Rear14.9-28
Outside dia.
1,365mm
Width
378mm
Rim
28″
radial equivalent: 380/85R28 (14.9R28)
Front6.00-16
Outside dia.
735mm
Width
165mm
Rim
16″
2WD
Rear13.6-28
Outside dia.
1,310mm
Width
345mm
Rim
28″
radial equivalent: 340/85R28 (13.6R28)
Front6.00-16
Outside dia.
735mm
Width
165mm
Rim
16″
2WD
Rear12.4-32
Outside dia.
1,360mm
Width
315mm
Rim
32″
radial equivalent: 320/85R32 (12.4R32)
Front6.00-16
Outside dia.
735mm
Width
165mm
Rim
16″
2WD
Rear12.4-32
Outside dia.
1,360mm
Width
315mm
Rim
32″
radial equivalent: 320/85R32 (12.4R32)
Front7.50-16
Outside dia.
805mm
Width
205mm
Rim
16″
4WD
Rear14.9-28
Outside dia.
1,365mm
Width
378mm
Rim
28″
radial equivalent: 380/85R28 (14.9R28)
Front11.2-20
Outside dia.
≈992mm
Width
284mm
Rim
20″
radial equivalent: 280/85R20 (11.2R20)
4WD
Rear13.6-28
Outside dia.
1,310mm
Width
345mm
Rim
28″
radial equivalent: 340/85R28 (13.6R28)
Front8.00-20
Outside dia.
≈914mm
Width
203mm
Rim
20″
4WD
Rear12.4-32
Outside dia.
1,360mm
Width
315mm
Rim
32″
radial equivalent: 320/85R32 (12.4R32)
Front8.3-24
Outside dia.
995mm
Width
211mm
Rim
24″
4WD
Rear13.6-28
Outside dia.
1,310mm
Width
345mm
Rim
28″
radial equivalent: 340/85R28 (13.6R28)
Front9.5-20
Outside dia.
≈918mm
Width
241mm
Rim
20″
radial equivalent: 9.5R20
4WD
Rear12.4-32
Outside dia.
1,360mm
Width
315mm
Rim
32″
radial equivalent: 320/85R32 (12.4R32)
Front11.2-20
Outside dia.
≈992mm
Width
284mm
Rim
20″
radial equivalent: 280/85R20 (11.2R20)

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 5546 · Fiat 55 46

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 55-46?

The Fiat 55-46 comes from the factory with 6.00-16 or 7.50-16 or 11.2-20 or 8.00-20 or 8.3-24 or 9.5-20 front tires.

What is the rear tire size of the Fiat 55-46?

The Fiat 55-46 comes from the factory with 14.9-28 or 13.6-28 or 12.4-32 rear tires.

Can I fit a different tire size on the Fiat 55-46?

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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