The John Deere F680 tractor tire size is front 20×10-10 and the rear is 13×6.5-6.
Front tire20×10-10
Rear tire13×6.5-6
Front/rear setupDifferent front and rear tire sizes
Rim diameter10 in front, 6 in rear
John Deere F680 Tire Size Details
Front tire size
20×10-10
Rear tire size
13×6.5-6
Front/rear setup
Different front and rear tire sizes
R1 ag tire size
5.00-15, 11.2-24
Front tire construction
Flotation/implement tire
Rear tire construction
Flotation/implement tire
Front section width
10 in
Rear section width
6.5 in
Front rim diameter
10 in
Rear rim diameter
6 in
Approx front overall diameter
about 20 in
Approx rear overall diameter
about 13 in
Tire size alternatives / conversions
23.1-26, 710/70R26, 710/65R26
Tire Size Comparison Chart
Front rim diameter comparison
This model
10 in
Average
17.1 in
Low
4 in
High
50 in
Rear rim diameter comparison
This model
6 in
Average
25.5 in
Low
0 in
High
50 in
John Deere F680 Extra Tire Notes
Tire size note
The John Deere F680 uses different front and rear tire sizes in this data: front 20×10-10 (10 in rim, 10 in width) and rear 13×6.5-6 (6 in rim, 6.5 in width)
Front/rear matching note
The John Deere F680 data shows front 20×10-10 and rear 13×6.5-6. 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.
