Quick answer:
The John Deere 8R 540 tractor tire size is front 600/70R28 and the rear is 480/80R50.
Front tire600/70R28
Rear tire480/80R50
Front/rear setupDifferent front and rear tire sizes
Tire pressure35 PSI, 18 PSI
Rim diameter28 in front, 50 in rear
John Deere 8R 540 Tire Size Details
| Front tire size | 600/70R28 |
|---|---|
| Rear tire size | 480/80R50 |
| Front/rear setup | Different front and rear tire sizes |
| Replacement tire size | Front 380/80R38, Rear 480/80R50 |
| R1 ag tire size | 480/80R50, 380/80R34 |
| Front tire construction | Metric radial |
| Rear tire construction | Metric radial |
| Front section width | 600 mm |
| Rear section width | 480 mm |
| Front aspect ratio | 70% |
| Rear aspect ratio | 80% |
| Front rim diameter | 28 in |
| Rear rim diameter | 50 in |
| Approx front overall diameter | about 61.1 in |
| Approx rear overall diameter | about 80.2 in |
| Tire pressure | 35 PSI, 18 PSI |
Tire Size Comparison Chart
Front rim diameter comparison
Rear rim diameter comparison
John Deere 8R 540 Extra Tire Notes
| Tire size note | The John Deere 8R 540 uses different front and rear tire sizes in this data: front 600/70R28 (28 in rim, 600 mm width) and rear 480/80R50 (50 in rim, 480 mm width) |
|---|---|
| Pressure note | For the John Deere 8R 540 with front 600/70R28 and rear 480/80R50 tires, the pressure values captured in the answer are 35 PSI, 18 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 8R 540 data shows front 600/70R28 and rear 480/80R50. 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.






