The John Deere Z860A tractor tire size is front 13×6.5-6 and the rear is 13×6.5-6.
Front tire13×6.5-6
Rear tire13×6.5-6
Front/rear setupSame front and rear tire size
Tire pressure14 PSI, 10 PSI
Rim diameter6 in front/rear
John Deere Z860A Tire Size Details
Front tire size
13×6.5-6
Rear tire size
13×6.5-6
Front/rear setup
Same front and rear tire size
Original factory tire size
Front 13×6.5-6, Rear 24×12-12
Replacement tire size
Front 13×6.5-6, Rear 24×12-12
R1 ag tire size
23×10.50-12, 26×12.00-12
Tire construction
Flotation/implement tire
Section width
6.5 in
Rim diameter
6 in
Approx overall diameter
about 13 in
Tire pressure
14 PSI, 10 PSI
Tire size alternatives / conversions
13×6.5-6, 24×12-12, 45-15, 55-12
Tire Size Comparison Chart
Front rim diameter comparison
This model
6 in
Average
14.8 in
Low
6 in
High
28 in
Rear rim diameter comparison
This model
6 in
Average
22.2 in
Low
6 in
High
38 in
John Deere Z860A Extra Tire Notes
Tire size note
The John Deere Z860A uses 13×6.5-6 on both the front and rear in this data, so the same tire-size details apply to both axles: flotation/implement tire, 6.5 in section width, 6 in rim, approx 13 in overall diameter
Pressure note
For the John Deere Z860A with front 13×6.5-6 and rear 13×6.5-6 tires, the pressure values captured in the answer are 14 PSI, 10 PSI. Tire pressure is load-dependent, so use this as a reference value rather than a universal setting
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.
