The John Deere 20A tractor tire size is front 6.5/80×15 and the rear is 6.5/80×15.
Front tire6.5/80×15
Rear tire6.5/80×15
Front/rear setupSame front and rear tire size
Rim diameter15 in front/rear
John Deere 20A Tire Size Details
Front tire size
6.5/80×15
Rear tire size
6.5/80×15
Front/rear setup
Same front and rear tire size
Tire construction
Low-profile implement/tractor tire
Section width
6.5 in
Aspect ratio
80%
Rim diameter
15 in
Tire size alternatives / conversions
6.00-16, 7.50-16
Tire Size Comparison Chart
Front rim diameter comparison
This model
15 in
Average
17.1 in
Low
4 in
High
50 in
Rear rim diameter comparison
This model
15 in
Average
25.5 in
Low
0 in
High
50 in
John Deere 20A Extra Tire Notes
Tire size note
The John Deere 20A uses 6.5/80×15 on both the front and rear in this data, so the same tire-size details apply to both axles: low-profile implement/tractor tire, 6.5 in section width, 80% aspect ratio, 15 in rim
Front/rear matching note
The John Deere 20A data shows the same tire size front and rear (6.5/80×15). That usually makes the visible front/rear size relationship simpler, but approved tire and wheel combinations should still be checked before mixing brands or changing sizes
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.
