The John Deere 6145J tractor tire size is front 18.4-26 and the rear is 24.5-32.
Front tire18.4-26
Rear tire24.5-32
Front/rear setupDifferent front and rear tire sizes
Rim diameter26 in front, 32 in rear
John Deere 6145J Tire Size Details
Front tire size
18.4-26
Rear tire size
24.5-32
Front/rear setup
Different front and rear tire sizes
R1 ag tire size
18.4-26, 24.5-32, 16.9-26, 14.9-28
Front tire construction
Bias/imperial tire
Rear tire construction
Bias/imperial tire
Front section width
18.4 in
Rear section width
24.5 in
Front rim diameter
26 in
Rear rim diameter
32 in
Tire size alternatives / conversions
420/70R28, 480/70R38
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
32 in
Average
25.5 in
Low
0 in
High
50 in
John Deere 6145J Extra Tire Notes
Tire size note
The John Deere 6145J uses different front and rear tire sizes in this data: front 18.4-26 (26 in rim, 18.4 in width) and rear 24.5-32 (32 in rim, 24.5 in width)
Front/rear matching note
The John Deere 6145J data shows front 18.4-26 and rear 24.5-32. 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.
