Tractor-SizeRadial ↔ bias-ply tire equivalents
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Fiat 60-90 tire size

Factory tire pairs for the Fiat 60-90 (60 HP, 2WD / 4WD):

2WD
Front
7.50-16outside dia. 805 mm
Rear
16.9-30outside dia. 1,485 mmradial equivalent: 420/85R30 (16.9R30)
2WD
Front
7.50-16outside dia. 805 mm
Rear
13.6-36outside dia. 1,515 mmradial equivalent: 340/85R36 (13.6R36)
4WD
Front
11.2-24outside dia. 1,105 mmradial equivalent: 280/85R24 (11.2R24)
Rear
16.9-30outside dia. 1,485 mmradial equivalent: 420/85R30 (16.9R30)
4WD
Front
11.2-24outside dia. 1,105 mmradial equivalent: 280/85R24 (11.2R24)
Rear
13.6-36outside dia. 1,515 mmradial equivalent: 340/85R36 (13.6R36)

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 6090 · Fiat 60 90

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

4WD ratio check and other tools →

Source: tractordata.com (ikincil)

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