Quick answer:
The John Deere X950R tractor tire size is front 27×10.5-15 and the rear is 24×12-12.
Front tire27×10.5-15
Rear tire24×12-12
Front/rear setupDifferent front and rear tire sizes
Tire pressure24 PSI, 44 PSI, 12 PSI, 14 PSI
Rim diameter15 in front, 12 in rear
Ballast462 kg, 1,017 lb
John Deere X950R Tire Size Details
| Front tire size | 27×10.5-15 |
|---|---|
| Rear tire size | 24×12-12 |
| Front/rear setup | Different front and rear tire sizes |
| Original factory tire size | Front 5.00-15, Rear 11.2-24 |
| Replacement tire size | Front 23×8.50-12, Rear 26×12-12 |
| R1 ag tire size | 5.00-15, 11.2-24 |
| Front tire construction | Flotation/implement tire |
| Rear tire construction | Flotation/implement tire |
| Front section width | 10.5 in |
| Rear section width | 12 in |
| Front rim diameter | 15 in |
| Rear rim diameter | 12 in |
| Approx front overall diameter | about 27 in |
| Approx rear overall diameter | about 24 in |
| Tire pressure | 24 PSI, 44 PSI, 12 PSI, 14 PSI |
| Loaded rear tire ballast / fluid capacity | 462 kg, 1,017 lb |
| Tire size alternatives / conversions | 11L-15, 18.4-34, 50R15, 480/80R34 |
Tire Size Comparison Chart
Front rim diameter comparison
Rear rim diameter comparison
John Deere X950R Extra Tire Notes
| Tire size note | The John Deere X950R uses different front and rear tire sizes in this data: front 27×10.5-15 (15 in rim, 10.5 in width) and rear 24×12-12 (12 in rim, 12 in width) |
|---|---|
| Pressure note | For the John Deere X950R with front 27×10.5-15 and rear 24×12-12 tires, the pressure values captured in the answer are 24 PSI, 44 PSI, 12 PSI, 14 PSI. Tire pressure is load-dependent, so use this as a reference value rather than a universal setting |
| Ballast note | For the John Deere X950R rear 24×12-12 tires, the ballast figure captured in the answer is 462 kg, 1,017 lb. Liquid ballast capacity can change by tire brand, fill percentage, wheel setup and ballast fluid type |
| Front/rear matching note | The John Deere X950R data shows front 27×10.5-15 and rear 24×12-12. 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.







