Quick answer:
The John Deere 9300 tractor tire size is front 620/70R42 and the rear is 620/70R42.
Front tire620/70R42
Rear tire620/70R42
Front/rear setupSame front and rear tire size
Tire pressure14 PSI, 18 PSI
Rim diameter42 in front/rear
John Deere 9300 Tire Size Details
| Front tire size | 620/70R42 |
|---|---|
| Rear tire size | 620/70R42 |
| Front/rear setup | Same front and rear tire size |
| Tire construction | Metric radial |
| Section width | 620 mm |
| Aspect ratio | 70% |
| Sidewall height | 434 mm |
| Rim diameter | 42 in |
| Approx overall diameter | about 76.2 in |
| Tire pressure | 14 PSI, 18 PSI |
| Tire size alternatives / conversions | 18.4-38, 460/85R38 |
Tire Size Comparison Chart
Front rim diameter comparison
Rear rim diameter comparison
John Deere 9300 Extra Tire Notes
| Tire size note | The John Deere 9300 uses 620/70R42 on both the front and rear in this data, so the same tire-size details apply to both axles: metric radial, 620 mm section width, 70% aspect ratio, 42 in rim, approx 76.2 in overall diameter |
|---|---|
| Pressure note | For the John Deere 9300 with front 620/70R42 and rear 620/70R42 tires, the pressure values captured in the answer are 14 PSI, 18 PSI. Tire pressure is load-dependent, so use this as a reference value rather than a universal setting |
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 deere.com website for official information.







