Quick answer:
The Kubota GT-19 tractor tire size is front 6-14 and rear 9.5-22. Other tire setup data found for this model includes Front 6-12, Rear 8.3-22; Front 11.2-24, Rear 5.00-15, so confirm the wheel option before ordering.
Front tire6-14
Rear tire9.5-22
Front/rear setupDifferent front and rear tire sizes
Rim diameter14 in front, 22 in rear
Ballast35 gal
Other setup foundFront 6-12, Rear 8.3-22; Front 11.2-24, Rear 5.00-15
Kubota GT-19 Tire Size Details
| Front tire size | 6-14 |
|---|---|
| Rear tire size | 9.5-22 |
| Front/rear setup | Different front and rear tire sizes |
| Other tire setup found | Front 6-12, Rear 8.3-22 |
| R1 ag tire size | Front 11.2-24, Rear 5.00-15 |
| Front tire construction | Bias/imperial tire |
| Rear tire construction | Bias/imperial tire |
| Front section width | 6 in |
| Rear section width | 9.5 in |
| Front rim diameter | 14 in |
| Rear rim diameter | 22 in |
| Loaded rear tire ballast / fluid capacity | 35 gal |
Tire Size Comparison Chart
Front rim diameter comparison
Rear rim diameter comparison
Benchmarks use typical low, average and high rim diameters for the lawn/garden tractor category, not scraped low/high outliers.
Kubota GT-19 Extra Tire Notes
| Tire size note | The Kubota GT-19 uses different front and rear tire sizes in this data: front 6-14 (14 in rim, 6 in width) and rear 9.5-22 (22 in rim, 9.5 in width) |
|---|---|
| Multiple setup note | This data has more than one tire setup for the Kubota GT-19. The main front/rear listing is Front 6-14, Rear 9.5-22. Other setup data found: Front 6-12, Rear 8.3-22; Front 11.2-24, Rear 5.00-15. This usually means different wheel, axle, turf/ag/industrial, or market options rather than one universal tire size |
| Ballast note | For the Kubota GT-19 rear 9.5-22 tires, the ballast figure captured in the answer is 35 gal. Liquid ballast capacity can change by tire brand, fill percentage, wheel setup and ballast fluid type |
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.







