Firestone Tractor Tire Size Chart. The third number (preceded by an r if the tire is radial) is the wheel diameter. The sidewall height or aspect ratio of a 285/75/r16 tire is 75% of 285mm.

The third number (preceded by an r if the tire is radial) is the wheel diameter. The sidewall height or aspect ratio of a 285/75/r16 tire is 75% of 285mm. The formula to use when.

2 Firestone tractor tire size chart

The Formula To Use When.

The sidewall height or aspect ratio of a 285/75/r16 tire is 75% of 285mm. The third number (preceded by an r if the tire is radial) is the wheel diameter.