The John Deere 6125E tractor tire size is front 18.4-34 and the rear is 460/85R34.
Front tire18.4-34
Rear tire460/85R34
Front/rear setupDifferent front and rear tire sizes
Tire pressure29 PSI, 23 PSI
Rim diameter34 in front/rear
John Deere 6125E Tire Size Details
Front tire size
18.4-34
Rear tire size
460/85R34
Front/rear setup
Different front and rear tire sizes
Original factory tire size
Front 18.4-34, Rear 14.9-24
Replacement tire size
Front 18.4-34, Rear 14.9-24
R1 ag tire size
18.4-34, 14.9-24
Front tire construction
Bias/imperial tire
Rear tire construction
Metric radial
Front section width
18.4 in
Rear section width
460 mm
Rear aspect ratio
85%
Front rim diameter
34 in
Rear rim diameter
34 in
Approx rear overall diameter
about 64.8 in
Tire pressure
29 PSI, 23 PSI
Tire Size Comparison Chart
Front rim diameter comparison
This model
34 in
Average
17.1 in
Low
4 in
High
50 in
Rear rim diameter comparison
This model
34 in
Average
25.5 in
Low
0 in
High
50 in
John Deere 6125E Extra Tire Notes
Tire size note
The John Deere 6125E uses different front and rear tire sizes in this data: front 18.4-34 (34 in rim, 18.4 in width) and rear 460/85R34 (34 in rim, 460 mm width)
Pressure note
For the John Deere 6125E with front 18.4-34 and rear 460/85R34 tires, the pressure values captured in the answer are 29 PSI, 23 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.
