The John Deere 3203 tractor tire size is front 25×8.50-14 and the rear is 15-19.5.
Front tire25×8.50-14
Rear tire15-19.5
Front/rear setupDifferent front and rear tire sizes
Tire pressure35 PSI, 18 PSI
Rim diameter14 in front, 19.5 in rear
Ballast38 gal
John Deere 3203 Tire Size Details
Front tire size
25×8.50-14
Rear tire size
15-19.5
Front/rear setup
Different front and rear tire sizes
Front tire construction
Flotation/implement tire
Rear tire construction
Bias/imperial tire
Front section width
8.5 in
Rear section width
15 in
Front rim diameter
14 in
Rear rim diameter
19.5 in
Approx front overall diameter
about 25 in
Tire pressure
35 PSI, 18 PSI
Loaded rear tire ballast / fluid capacity
38 gal
Tire Size Comparison Chart
Front rim diameter comparison
This model
14 in
Average
17.1 in
Low
4 in
High
50 in
Rear rim diameter comparison
This model
19.5 in
Average
25.5 in
Low
0 in
High
50 in
John Deere 3203 Extra Tire Notes
Tire size note
The John Deere 3203 uses different front and rear tire sizes in this data: front 25×8.50-14 (14 in rim, 8.5 in width) and rear 15-19.5 (19.5 in rim, 15 in width)
Pressure note
For the John Deere 3203 with front 25×8.50-14 and rear 15-19.5 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
Ballast note
For the John Deere 3203 rear 15-19.5 tires, the ballast figure captured in the answer is 38 gal. Liquid ballast capacity can change by tire brand, fill percentage, wheel setup and ballast fluid type
Front/rear matching note
The John Deere 3203 data shows front 25×8.50-14 and rear 15-19.5. 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.
