Quick answer:
The John Deere 5115ML tractor tire size is front 12.4R24 and the rear is 460/85R38.
Front tire12.4R24
Rear tire460/85R38
Front/rear setupDifferent front and rear tire sizes
Tire pressure29 PSI, 14 PSI
Rim diameter24 in front, 38 in rear
John Deere 5115ML Tire Size Details
| Front tire size | 12.4R24 |
|---|---|
| Rear tire size | 460/85R38 |
| Front/rear setup | Different front and rear tire sizes |
| Replacement tire size | Front 18.4R30, Rear 12.4R24 |
| R1 ag tire size | 12.4-24, 7.5-16 |
| Front tire construction | Imperial radial |
| Rear tire construction | Metric radial |
| Front section width | 12.4 in |
| Rear section width | 460 mm |
| Rear aspect ratio | 85% |
| Front rim diameter | 24 in |
| Rear rim diameter | 38 in |
| Approx rear overall diameter | about 68.8 in |
| Tire pressure | 29 PSI, 14 PSI |
Tire Size Comparison Chart
Front rim diameter comparison
Rear rim diameter comparison
John Deere 5115ML Extra Tire Notes
| Tire size note | The John Deere 5115ML uses different front and rear tire sizes in this data: front 12.4R24 (24 in rim, 12.4 in width) and rear 460/85R38 (38 in rim, 460 mm width) |
|---|---|
| Pressure note | For the John Deere 5115ML with front 12.4R24 and rear 460/85R38 tires, the pressure values captured in the answer are 29 PSI, 14 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 5115ML data shows front 12.4R24 and rear 460/85R38. 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.






