Quick answer:
The Kubota M120 tractor tire size is front 8.3-24 and rear 14.9-24. Other tire setup data found for this model includes Front 11.00-16, Rear 11.00-16; Front 16.9-38, Rear 16.9-38, so confirm the wheel option before ordering.
Front tire8.3-24
Rear tire14.9-24
Front/rear setupDifferent front and rear tire sizes
Tire pressure24 PSI, 23 PSI, 16 PSI
Rim diameter24 in front/rear
Ballast55 gal
Other setup foundFront 11.00-16, Rear 11.00-16; Front 16.9-38, Rear 16.9-38
Kubota M120 Tire Size Details
| Front tire size | 8.3-24 |
|---|---|
| Rear tire size | 14.9-24 |
| Front/rear setup | Different front and rear tire sizes |
| Replacement tire size | Front 11.00-16, Rear 11.00-16 |
| Tire size alternatives / conversions | Front 16.9-38, Rear 16.9-38 |
| Front tire construction | Bias/imperial tire |
| Rear tire construction | Bias/imperial tire |
| Front section width | 8.3 in |
| Rear section width | 14.9 in |
| Front rim diameter | 24 in |
| Rear rim diameter | 24 in |
| Tire pressure | 24 PSI, 23 PSI, 16 PSI |
| Loaded rear tire ballast / fluid capacity | 55 gal |
Tire Size Comparison Chart
Front rim diameter comparison
Rear rim diameter comparison
Benchmarks use typical low, average and high rim diameters for the compact / utility tractor category, not scraped low/high outliers.
Kubota M120 Extra Tire Notes
| Tire size note | The Kubota M120 uses different front and rear tire sizes in this data: front 8.3-24 (24 in rim, 8.3 in width) and rear 14.9-24 (24 in rim, 14.9 in width) |
|---|---|
| Multiple setup note | This data has more than one tire setup for the Kubota M120. The main front/rear listing is Front 8.3-24, Rear 14.9-24. Other setup data found: Front 11.00-16, Rear 11.00-16; Front 16.9-38, Rear 16.9-38. This usually means different wheel, axle, turf/ag/industrial, or market options rather than one universal tire size |
| Pressure note | For the Kubota M120 with front 8.3-24 and rear 14.9-24 tires, the pressure values captured in the answer are 24 PSI, 23 PSI, 16 PSI. Tire pressure is load-dependent, so use this as a reference value rather than a universal setting |
| Ballast note | For the Kubota M120 rear 14.9-24 tires, the ballast figure captured in the answer is 55 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.






