Quick answer:
The Kubota M5071N tractor tire size is front 280/70R18 and rear 440/65R28. Other tire setup data found for this model includes Front 480/70R34, Rear 360/70R24; Front 11.2-24, Rear 16.9-30; Front 14.9-28, Rear 7.50-16; plus 1 more, so confirm the wheel option before ordering.
Front tire280/70R18
Rear tire440/65R28
Front/rear setupDifferent front and rear tire sizes
Tire pressure32 PSI, 30 PSI
Rim diameter18 in front, 28 in rear
Other setup foundFront 480/70R34, Rear 360/70R24; Front 11.2-24, Rear 16.9-30; Front 14.9-28, Rear 7.50-16; plus 1 more
Kubota M5071N Tire Size Details
| Front tire size | 280/70R18 |
|---|---|
| Rear tire size | 440/65R28 |
| Front/rear setup | Different front and rear tire sizes |
| Other tire setup found | Front 480/70R34, Rear 360/70R24 |
| Replacement tire size | Front 11.2-24, Rear 16.9-30 |
| R1 ag tire size | Front 14.9-28, Rear 7.50-16 |
| Tire size alternatives / conversions | Front 12.4R24, Rear 13.6R24 |
| Front tire construction | Metric radial |
| Rear tire construction | Metric radial |
| Front section width | 280 mm |
| Rear section width | 440 mm |
| Front aspect ratio | 70% |
| Rear aspect ratio | 65% |
| Front rim diameter | 18 in |
| Rear rim diameter | 28 in |
| Approx front overall diameter | about 33.4 in |
| Approx rear overall diameter | about 50.5 in |
| Tire pressure | 32 PSI, 30 PSI |
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 M5071N Extra Tire Notes
| Tire size note | The Kubota M5071N uses different front and rear tire sizes in this data: front 280/70R18 (18 in rim, 280 mm width) and rear 440/65R28 (28 in rim, 440 mm width) |
|---|---|
| Multiple setup note | This data has more than one tire setup for the Kubota M5071N. The main front/rear listing is Front 280/70R18, Rear 440/65R28. Other setup data found: Front 480/70R34, Rear 360/70R24; Front 11.2-24, Rear 16.9-30; Front 14.9-28, Rear 7.50-16; plus 1 more. This usually means different wheel, axle, turf/ag/industrial, or market options rather than one universal tire size |
| Pressure note | For the Kubota M5071N with front 280/70R18 and rear 440/65R28 tires, the pressure values captured in the answer are 32 PSI, 30 PSI. Tire pressure is load-dependent, so use this as a reference value rather than a universal setting |
| Front/rear matching note | The Kubota M5071N data shows front 280/70R18 and rear 440/65R28. When changing either size, front/rear rolling circumference and lead/lag need to stay within the correct range |
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.

