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Farmtrac 45 Ultramaxx tire size

Factory tire pairs for the Farmtrac 45 Ultramaxx (47 HP, ?):

  • 47 HP
Rear13.6-28Front8.3-20
Rear13.6-28
Outside dia.
1,310mm
Width
345mm
Rim
28″
radial equivalent: 340/85R28 (13.6R28)
Front8.3-20
Outside dia.
≈866mm
Width
211mm
Rim
20″

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: Farmtrac 45Ultramaxx · Farmtrac 45-Ultramaxx

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

4WD ratio check and other tools →

Source: tractorbird.com

FAQ

What is the front tire size of the Farmtrac 45 Ultramaxx?

The Farmtrac 45 Ultramaxx comes from the factory with 8.3-20 front tires.

What is the rear tire size of the Farmtrac 45 Ultramaxx?

The Farmtrac 45 Ultramaxx comes from the factory with 13.6-28 rear tires.

Can I fit a different tire size on the Farmtrac 45 Ultramaxx?

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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