Quick answer:
The John Deere 6300 tractor tire size is front 13.6R28 and the rear is 16.9R38.
Front tire13.6R28
Rear tire16.9R38
Front/rear setupDifferent front and rear tire sizes
Tire pressure35 PSI, 18 PSI
Rim diameter28 in front, 38 in rear
Ballast120 gal
John Deere 6300 Tire Size Details
| Front tire size | 13.6R28 |
|---|---|
| Rear tire size | 16.9R38 |
| Front/rear setup | Different front and rear tire sizes |
| Original factory tire size | Front 7.50-18, Rear 18.4-30 |
| R1 ag tire size | 7.50-18, 18.4-30 |
| Front tire construction | Imperial radial |
| Rear tire construction | Imperial radial |
| Front section width | 13.6 in |
| Rear section width | 16.9 in |
| Front rim diameter | 28 in |
| Rear rim diameter | 38 in |
| Tire pressure | 35 PSI, 18 PSI |
| Loaded rear tire ballast / fluid capacity | 120 gal |
Tire Size Comparison Chart
Front rim diameter comparison
Rear rim diameter comparison
John Deere 6300 Extra Tire Notes
| Tire size note | The John Deere 6300 uses different front and rear tire sizes in this data: front 13.6R28 (28 in rim, 13.6 in width) and rear 16.9R38 (38 in rim, 16.9 in width) |
|---|---|
| Pressure note | For the John Deere 6300 with front 13.6R28 and rear 16.9R38 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 |
| Ballast note | For the John Deere 6300 rear 16.9R38 tires, the ballast figure captured in the answer is 120 gal. Liquid ballast capacity can change by tire brand, fill percentage, wheel setup and ballast fluid type |
| Front/rear matching note | The John Deere 6300 data shows front 13.6R28 and rear 16.9R38. 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.







