Quick answer:
The John Deere 2026R tractor tire size is front 18×8.5-10 and the rear is 24×8.50-14.
Front tire18×8.5-10
Rear tire24×8.50-14
Front/rear setupDifferent front and rear tire sizes
Tire pressure35 PSI, 18 PSI
Rim diameter10 in front, 14 in rear
John Deere 2026R Tire Size Details
| Front tire size | 18×8.5-10 |
|---|---|
| Rear tire size | 24×8.50-14 |
| Front/rear setup | Different front and rear tire sizes |
| Replacement tire size | Front 24×12-12, Rear 24×8.50-14 |
| R1 ag tire size | 23×8.50-12, 31×13.50-15 |
| Front tire construction | Flotation/implement tire |
| Rear tire construction | Flotation/implement tire |
| Front section width | 8.5 in |
| Rear section width | 8.5 in |
| Front rim diameter | 10 in |
| Rear rim diameter | 14 in |
| Approx front overall diameter | about 18 in |
| Approx rear overall diameter | about 24 in |
| Tire pressure | 35 PSI, 18 PSI |
Tire Size Comparison Chart
Front rim diameter comparison
Rear rim diameter comparison
John Deere 2026R Extra Tire Notes
| Tire size note | The John Deere 2026R uses different front and rear tire sizes in this data: front 18×8.5-10 (10 in rim, 8.5 in width) and rear 24×8.50-14 (14 in rim, 8.5 in width) |
|---|---|
| Pressure note | For the John Deere 2026R with front 18×8.5-10 and rear 24×8.50-14 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 2026R data shows front 18×8.5-10 and rear 24×8.50-14. 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.







