Quick answer:
The John Deere 6534 tractor tire size is front 420/70R28 and the rear is 18.4R38.
Front tire420/70R28
Rear tire18.4R38
Front/rear setupDifferent front and rear tire sizes
Rim diameter28 in front, 38 in rear
Ballast50 gal
John Deere 6534 Tire Size Details
| Front tire size | 420/70R28 |
|---|---|
| Rear tire size | 18.4R38 |
| Front/rear setup | Different front and rear tire sizes |
| Front tire construction | Metric radial |
| Rear tire construction | Imperial radial |
| Front section width | 420 mm |
| Rear section width | 18.4 in |
| Front aspect ratio | 70% |
| Front rim diameter | 28 in |
| Rear rim diameter | 38 in |
| Approx front overall diameter | about 51.1 in |
| Loaded rear tire ballast / fluid capacity | 50 gal |
Tire Size Comparison Chart
Front rim diameter comparison
Rear rim diameter comparison
John Deere 6534 Extra Tire Notes
| Tire size note | The John Deere 6534 uses different front and rear tire sizes in this data: front 420/70R28 (28 in rim, 420 mm width) and rear 18.4R38 (38 in rim, 18.4 in width) |
|---|---|
| Ballast note | For the John Deere 6534 rear 18.4R38 tires, the ballast figure captured in the answer is 50 gal. Liquid ballast capacity can change by tire brand, fill percentage, wheel setup and ballast fluid type |
| Front/rear matching note | The John Deere 6534 data shows front 420/70R28 and rear 18.4R38. 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.







