The John Deere GX345 tractor tire size is front 16×6.5-8 and the rear is 23×10.50-12.
Front tire16×6.5-8
Rear tire23×10.50-12
Front/rear setupDifferent front and rear tire sizes
Tire pressure22 PSI, 20 PSI
Rim diameter8 in front, 12 in rear
John Deere GX345 Tire Size Details
Front tire size
16×6.5-8
Rear tire size
23×10.50-12
Front/rear setup
Different front and rear tire sizes
Front tire construction
Flotation/implement tire
Rear tire construction
Flotation/implement tire
Front section width
6.5 in
Rear section width
10.5 in
Front rim diameter
8 in
Rear rim diameter
12 in
Approx front overall diameter
about 16 in
Approx rear overall diameter
about 23 in
Tire pressure
22 PSI, 20 PSI
Tire size alternatives / conversions
16×6.5-8, 23×10.50-12, 24×12-12
Tire Size Comparison Chart
Front rim diameter comparison
This model
8 in
Average
17.1 in
Low
4 in
High
50 in
Rear rim diameter comparison
This model
12 in
Average
25.5 in
Low
0 in
High
50 in
John Deere GX345 Extra Tire Notes
Tire size note
The John Deere GX345 uses different front and rear tire sizes in this data: front 16×6.5-8 (8 in rim, 6.5 in width) and rear 23×10.50-12 (12 in rim, 10.5 in width)
Pressure note
For the John Deere GX345 with front 16×6.5-8 and rear 23×10.50-12 tires, the pressure values captured in the answer are 22 PSI, 20 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.
