Quick answer:
The John Deere Z925M tractor tire size is front 13×5-6 and the rear is 13×5-6.
Front tire13×5-6
Rear tire13×5-6
Front/rear setupSame front and rear tire size
Tire pressure14 PSI, 10 PSI
Rim diameter6 in front/rear
John Deere Z925M Tire Size Details
| Front tire size | 13×5-6 |
|---|---|
| Rear tire size | 13×5-6 |
| Front/rear setup | Same front and rear tire size |
| Original factory tire size | Front 13×5-6, Rear 24×9.5-12 |
| R1 ag tire size | 13×6.5-6, 24×12-12 |
| Tire construction | Flotation/implement tire |
| Section width | 5 in |
| Rim diameter | 6 in |
| Approx overall diameter | about 13 in |
| Tire pressure | 14 PSI, 10 PSI |
| Tire size alternatives / conversions | 23×10.50-12, 24×12.00-12 |
Tire Size Comparison Chart
Front rim diameter comparison
Rear rim diameter comparison
John Deere Z925M Extra Tire Notes
| Tire size note | The John Deere Z925M uses 13×5-6 on both the front and rear in this data, so the same tire-size details apply to both axles: flotation/implement tire, 5 in section width, 6 in rim, approx 13 in overall diameter |
|---|---|
| Pressure note | For the John Deere Z925M with front 13×5-6 and rear 13×5-6 tires, the pressure values captured in the answer are 14 PSI, 10 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 Z925M data shows the same tire size front and rear (13×5-6). That usually makes the visible front/rear size relationship simpler, but approved tire and wheel combinations should still be checked before mixing brands or changing sizes |
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.







