Quick answer:
The Kubota KT250 tractor tire size is front 6-14 and rear 4.00-15. Other tire setup data found for this model includes Front 9.5-24, Rear 4.00-15; Front 9.5-24, Rear 6-14; Front 8-16, Rear 6-12, so confirm the wheel option before ordering.
Front tire6-14
Rear tire4.00-15
Front/rear setupDifferent front and rear tire sizes
Tire pressure14 PSI, 26 PSI
Rim diameter14 in front, 15 in rear
Ballast35 gal, 257 lb
Other setup foundFront 9.5-24, Rear 4.00-15; Front 9.5-24, Rear 6-14; Front 8-16, Rear 6-12
Kubota KT250 Tire Size Details
| Front tire size | 6-14 |
|---|---|
| Rear tire size | 4.00-15 |
| Front/rear setup | Different front and rear tire sizes |
| Other tire setup found | Front 9.5-24, Rear 4.00-15 |
| Replacement tire size | Front 9.5-24, Rear 6-14 |
| R1 ag tire size | Front 8-16, Rear 6-12 |
| Front tire construction | Bias/imperial tire |
| Rear tire construction | Bias/imperial tire |
| Front section width | 6 in |
| Rear section width | 4 in |
| Front rim diameter | 14 in |
| Rear rim diameter | 15 in |
| Tire pressure | 14 PSI, 26 PSI |
| Loaded rear tire ballast / fluid capacity | 35 gal, 257 lb |
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 KT250 Extra Tire Notes
| Tire size note | The Kubota KT250 uses different front and rear tire sizes in this data: front 6-14 (14 in rim, 6 in width) and rear 4.00-15 (15 in rim, 4 in width) |
|---|---|
| Multiple setup note | This data has more than one tire setup for the Kubota KT250. The main front/rear listing is Front 6-14, Rear 4.00-15. Other setup data found: Front 9.5-24, Rear 4.00-15; Front 9.5-24, Rear 6-14; Front 8-16, Rear 6-12. This usually means different wheel, axle, turf/ag/industrial, or market options rather than one universal tire size |
| Pressure note | For the Kubota KT250 with front 6-14 and rear 4.00-15 tires, the pressure values captured in the answer are 14 PSI, 26 PSI. Tire pressure is load-dependent, so use this as a reference value rather than a universal setting |
| Ballast note | For the Kubota KT250 rear 4.00-15 tires, the ballast figure captured in the answer is 35 gal, 257 lb. 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.






