Kioti RX6620 tire size

Factory tire pairs for the Kioti RX6620 (66 HP, 4WD):

4WD

Front
9.5-20outside dia. ≈918 mmradial equivalent: 9.5R20

Rear
14.9-28outside dia. 1,365 mmradial equivalent: 380/85R28 (14.9R28)

4WD

Front
12.5/80-18outside dia. ≈997 mm

Rear
18.4-24outside dia. ≈1,404 mm

4WD⚠ Suspicious size in source, to be verified

Front
320/70R24outside dia. 1,084 mmtube-type equivalent: 11.2-24

Rear
420/75R34outside dia. ≈1,494 mm

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

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

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