Quick answer:
The John Deere Z920R tractor tire size is front 13×5-6 and the rear is 24×9.5-12.
Front tire13×5-6
Rear tire24×9.5-12
Front/rear setupDifferent front and rear tire sizes
Rim diameter6 in front, 12 in rear
John Deere Z920R Tire Size Details
| Front tire size | 13×5-6 |
|---|---|
| Rear tire size | 24×9.5-12 |
| Front/rear setup | Different front and rear tire sizes |
| Original factory tire size | Front 13×6.5-6, Rear 24×12.5-12 |
| Replacement tire size | Front 24×12.00-12, Rear 23×10.50-12 |
| R1 ag tire size | 13×6.5-6, 24×12.5-12 |
| Front tire construction | Flotation/implement tire |
| Rear tire construction | Flotation/implement tire |
| Front section width | 5 in |
| Rear section width | 9.5 in |
| Front rim diameter | 6 in |
| Rear rim diameter | 12 in |
| Approx front overall diameter | about 13 in |
| Approx rear overall diameter | about 24 in |
Tire Size Comparison Chart
Front rim diameter comparison
Rear rim diameter comparison
John Deere Z920R Extra Tire Notes
| Tire size note | The John Deere Z920R uses different front and rear tire sizes in this data: front 13×5-6 (6 in rim, 5 in width) and rear 24×9.5-12 (12 in rim, 9.5 in width) |
|---|---|
| Front/rear matching note | The John Deere Z920R data shows front 13×5-6 and rear 24×9.5-12. 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.







