Quick answer:
The John Deere 430 tractor tire size is front 11.2-24 and the rear is 26×12.00-12.
Front tire11.2-24
Rear tire26×12.00-12
Front/rear setupDifferent front and rear tire sizes
Tire pressure18 PSI, 12 PSI
Rim diameter24 in front, 12 in rear
John Deere 430 Tire Size Details
| Front tire size | 11.2-24 |
|---|---|
| Rear tire size | 26×12.00-12 |
| Front/rear setup | Different front and rear tire sizes |
| Original factory tire size | Front 10-34, Rear 10-34 |
| Replacement tire size | Front 18×8.50-8, Rear 26×12.00-12 |
| R1 ag tire size | 6.0-14, 9.5-24 |
| Front tire construction | Bias/imperial tire |
| Rear tire construction | Flotation/implement tire |
| Front section width | 11.2 in |
| Rear section width | 12 in |
| Front rim diameter | 24 in |
| Rear rim diameter | 12 in |
| Approx rear overall diameter | about 26 in |
| Tire pressure | 18 PSI, 12 PSI |
| Tire size alternatives / conversions | 18×8.50-8, 26×12.00-12, 85R8, 660/65R12 |
Tire Size Comparison Chart
Front rim diameter comparison
Rear rim diameter comparison
John Deere 430 Extra Tire Notes
| Tire size note | The John Deere 430 uses different front and rear tire sizes in this data: front 11.2-24 (24 in rim, 11.2 in width) and rear 26×12.00-12 (12 in rim, 12 in width) |
|---|---|
| Pressure note | For the John Deere 430 with front 11.2-24 and rear 26×12.00-12 tires, the pressure values captured in the answer are 18 PSI, 12 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 430 data shows front 11.2-24 and rear 26×12.00-12. 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.







