The John Deere 6125J tractor tire size is front 14.9-26 and the rear is 23.1-30.
Front tire14.9-26
Rear tire23.1-30
Front/rear setupDifferent front and rear tire sizes
Tire pressure30 PSI, 23 PSI
Rim diameter26 in front, 30 in rear
John Deere 6125J Tire Size Details
Front tire size
14.9-26
Rear tire size
23.1-30
Front/rear setup
Different front and rear tire sizes
Front tire construction
Bias/imperial tire
Rear tire construction
Bias/imperial tire
Front section width
14.9 in
Rear section width
23.1 in
Front rim diameter
26 in
Rear rim diameter
30 in
Tire pressure
30 PSI, 23 PSI
Tire Size Comparison Chart
Front rim diameter comparison
This model
26 in
Average
17.1 in
Low
4 in
High
50 in
Rear rim diameter comparison
This model
30 in
Average
25.5 in
Low
0 in
High
50 in
John Deere 6125J Extra Tire Notes
Tire size note
The John Deere 6125J uses different front and rear tire sizes in this data: front 14.9-26 (26 in rim, 14.9 in width) and rear 23.1-30 (30 in rim, 23.1 in width)
Pressure note
For the John Deere 6125J with front 14.9-26 and rear 23.1-30 tires, the pressure values captured in the answer are 30 PSI, 23 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 6125J data shows front 14.9-26 and rear 23.1-30. 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.
