Quick answer:
The John Deere 6R 165 tractor tire size is front 420/85R28 and the rear is 480/80R42.
Front tire420/85R28
Rear tire480/80R42
Front/rear setupDifferent front and rear tire sizes
Rim diameter28 in front, 42 in rear
John Deere 6R 165 Tire Size Details
| Front tire size | 420/85R28 |
|---|---|
| Rear tire size | 480/80R42 |
| Front/rear setup | Different front and rear tire sizes |
| Original factory tire size | Front 480/70R24, Rear 600/70R38 |
| Replacement tire size | Front 420/85R28, Rear 520/85R38 |
| R1 ag tire size | 12.4-24, 8-16 |
| Front tire construction | Metric radial |
| Rear tire construction | Metric radial |
| Front section width | 420 mm |
| Rear section width | 480 mm |
| Front aspect ratio | 85% |
| Rear aspect ratio | 80% |
| Front rim diameter | 28 in |
| Rear rim diameter | 42 in |
| Approx front overall diameter | about 56.1 in |
| Approx rear overall diameter | about 72.2 in |
| Tire size alternatives / conversions | 480/70R28, 600/65R28 |
Tire Size Comparison Chart
Front rim diameter comparison
Rear rim diameter comparison
John Deere 6R 165 Extra Tire Notes
| Tire size note | The John Deere 6R 165 uses different front and rear tire sizes in this data: front 420/85R28 (28 in rim, 420 mm width) and rear 480/80R42 (42 in rim, 480 mm width) |
|---|---|
| Front/rear matching note | The John Deere 6R 165 data shows front 420/85R28 and rear 480/80R42. 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.







