Quick answer:
The John Deere 6110R tractor tire size is front 12.4-24 and the rear is 16.9-30.
Front tire12.4-24
Rear tire16.9-30
Front/rear setupDifferent front and rear tire sizes
Tire pressure12 PSI, 20 PSI
Rim diameter24 in front, 30 in rear
John Deere 6110R Tire Size Details
| Front tire size | 12.4-24 |
|---|---|
| Rear tire size | 16.9-30 |
| Front/rear setup | Different front and rear tire sizes |
| Replacement tire size | Front 12.4R24, Rear 18.4R34 |
| R1 ag tire size | 10.00-16, 18.4R34 |
| Front tire construction | Bias/imperial tire |
| Rear tire construction | Bias/imperial tire |
| Front section width | 12.4 in |
| Rear section width | 16.9 in |
| Front rim diameter | 24 in |
| Rear rim diameter | 30 in |
| Tire pressure | 12 PSI, 20 PSI |
| Tire size alternatives / conversions | 520/70R38, 420/70R24, 600/65R38, 480/70R24 |
Tire Size Comparison Chart
Front rim diameter comparison
Rear rim diameter comparison
John Deere 6110R Extra Tire Notes
| Tire size note | The John Deere 6110R uses different front and rear tire sizes in this data: front 12.4-24 (24 in rim, 12.4 in width) and rear 16.9-30 (30 in rim, 16.9 in width) |
|---|---|
| Pressure note | For the John Deere 6110R with front 12.4-24 and rear 16.9-30 tires, the pressure values captured in the answer are 12 PSI, 20 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 6110R data shows front 12.4-24 and rear 16.9-30. 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.







