Quick answer:
The Kubota JB11X tractor tire size is front 4.00-12 and rear 7-14. Other tire setup data found for this model includes Front 4.00-12, Rear 7-16; Front 7-16, Rear 4.00-12, so confirm the wheel option before ordering.
Front tire4.00-12
Rear tire7-14
Front/rear setupDifferent front and rear tire sizes
Rim diameter12 in front, 14 in rear
Other setup foundFront 4.00-12, Rear 7-16; Front 7-16, Rear 4.00-12
Kubota JB11X Tire Size Details
| Front tire size | 4.00-12 |
|---|---|
| Rear tire size | 7-14 |
| Front/rear setup | Different front and rear tire sizes |
| Other tire setup found | Front 4.00-12, Rear 7-16 |
| Replacement tire size | Front 7-16, Rear 4.00-12 |
| Front tire construction | Bias/imperial tire |
| Rear tire construction | Bias/imperial tire |
| Front section width | 4 in |
| Rear section width | 7 in |
| Front rim diameter | 12 in |
| Rear rim diameter | 14 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 JB11X Extra Tire Notes
| Tire size note | The Kubota JB11X uses different front and rear tire sizes in this data: front 4.00-12 (12 in rim, 4 in width) and rear 7-14 (14 in rim, 7 in width) |
|---|---|
| Multiple setup note | This data has more than one tire setup for the Kubota JB11X. The main front/rear listing is Front 4.00-12, Rear 7-14. Other setup data found: Front 4.00-12, Rear 7-16; Front 7-16, Rear 4.00-12. 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.







