The John Deere F620 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
Tire pressure35 PSI, 18 PSI
Rim diameter10 in front, 6 in rear
John Deere F620 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
23×10.50-12, 26×12.00-12
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 pressure
35 PSI, 18 PSI
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 F620 Extra Tire Notes
Tire size note
The John Deere F620 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)
Pressure note
For the John Deere F620 with front 20×10-10 and rear 13×6.5-6 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
Front/rear matching note
The John Deere F620 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.
