Quick answer:
The Kubota Z231BR tractor tire size is front 11×4-5 and rear 22×10-14. Other tire setup data found for this model includes Front 23×8.50-12, Rear 31×15.50-15, so confirm the wheel option before ordering.
Front tire11×4-5
Rear tire22×10-14
Front/rear setupDifferent front and rear tire sizes
Rim diameter5 in front, 14 in rear
Other setup foundFront 23×8.50-12, Rear 31×15.50-15
Kubota Z231BR Tire Size Details
| Front tire size | 11×4-5 |
|---|---|
| Rear tire size | 22×10-14 |
| Front/rear setup | Different front and rear tire sizes |
| Other tire setup found | Front 23×8.50-12, Rear 31×15.50-15 |
| Front tire construction | Flotation/implement tire |
| Rear tire construction | Flotation/implement tire |
| Front section width | 4 in |
| Rear section width | 10 in |
| Front rim diameter | 5 in |
| Rear rim diameter | 14 in |
| Approx front overall diameter | about 11 in |
| Approx rear overall diameter | about 22 in |
Tire Size Comparison Chart
Front rim diameter comparison
Rear rim diameter comparison
Benchmarks use typical low, average and high rim diameters for the sub-compact / compact tractor category, not scraped low/high outliers.
Kubota Z231BR Extra Tire Notes
| Tire size note | The Kubota Z231BR uses different front and rear tire sizes in this data: front 11×4-5 (5 in rim, 4 in width) and rear 22×10-14 (14 in rim, 10 in width) |
|---|---|
| Multiple setup note | This data has more than one tire setup for the Kubota Z231BR. The main front/rear listing is Front 11×4-5, Rear 22×10-14. Other setup data found: Front 23×8.50-12, Rear 31×15.50-15. This usually means different wheel, axle, turf/ag/industrial, or market options rather than one universal tire size |
Official information note
Mistakes do happen. Tire sizes can change by year, axle, wheel/rim option, tyre brand, tread type and local market. Please check the tire sidewall, operator manual and official kubotausa.com website for official information.





