Quick answer:
The John Deere 5090G tractor tire size is front 12.4-24 and the rear is 540/65R38.
Front tire12.4-24
Rear tire540/65R38
Front/rear setupDifferent front and rear tire sizes
Tire pressure35 PSI, 18 PSI
Rim diameter24 in front, 38 in rear
John Deere 5090G Tire Size Details
| Front tire size | 12.4-24 |
|---|---|
| Rear tire size | 540/65R38 |
| Front/rear setup | Different front and rear tire sizes |
| Original factory tire size | Front 11.2-24, Rear 16.9-30 |
| Replacement tire size | Front 480/65R24, Rear 540/65R38 |
| R1 ag tire size | 12.4-24, 16.9-30 |
| Front tire construction | Bias/imperial tire |
| Rear tire construction | Metric radial |
| Front section width | 12.4 in |
| Rear section width | 540 mm |
| Rear aspect ratio | 65% |
| Front rim diameter | 24 in |
| Rear rim diameter | 38 in |
| Approx rear overall diameter | about 65.6 in |
| Tire pressure | 35 PSI, 18 PSI |
Tire Size Comparison Chart
Front rim diameter comparison
Rear rim diameter comparison
John Deere 5090G Extra Tire Notes
| Tire size note | The John Deere 5090G uses different front and rear tire sizes in this data: front 12.4-24 (24 in rim, 12.4 in width) and rear 540/65R38 (38 in rim, 540 mm width) |
|---|---|
| Pressure note | For the John Deere 5090G with front 12.4-24 and rear 540/65R38 tires, the pressure values captured in the answer are 35 PSI, 18 PSI. Tire pressure is load-dependent, so use this as a reference value rather than a universal setting |
| Front/rear matching note | The John Deere 5090G data shows front 12.4-24 and rear 540/65R38. 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 deere.com website for official information.






