The Kubota JB17X tractor tire size is front 6-14 and rear 8-18. Other tire setup data found for this model includes Front 5.00-12, Rear 8-18; Front 8.3-16, Rear 6.00-12, so confirm the wheel option before ordering.
Front tire6-14
Rear tire8-18
Front/rear setupDifferent front and rear tire sizes
Tire pressure35 PSI, 18 PSI
Rim diameter14 in front, 18 in rear
Other setup foundFront 5.00-12, Rear 8-18; Front 8.3-16, Rear 6.00-12
Kubota JB17X Tire Size Details
Front tire size
6-14
Rear tire size
8-18
Front/rear setup
Different front and rear tire sizes
Other tire setup found
Front 5.00-12, Rear 8-18
R1 ag tire size
Front 8.3-16, Rear 6.00-12
Front tire construction
Bias/imperial tire
Rear tire construction
Bias/imperial tire
Front section width
6 in
Rear section width
8 in
Front rim diameter
14 in
Rear rim diameter
18 in
Tire pressure
35 PSI, 18 PSI
Tire Size Comparison Chart
Front rim diameter comparison
This model
14 in
Average
12 in
Low
8 in
High
16 in
Rear rim diameter comparison
This model
18 in
Average
16 in
Low
12 in
High
24 in
Benchmarks use typical low, average and high rim diameters for the sub-compact / compact tractor category, not scraped low/high outliers.
Kubota JB17X Extra Tire Notes
Tire size note
The Kubota JB17X uses different front and rear tire sizes in this data: front 6-14 (14 in rim, 6 in width) and rear 8-18 (18 in rim, 8 in width)
Multiple setup note
This data has more than one tire setup for the Kubota JB17X. The main front/rear listing is Front 6-14, Rear 8-18. Other setup data found: Front 5.00-12, Rear 8-18; Front 8.3-16, Rear 6.00-12. This usually means different wheel, axle, turf/ag/industrial, or market options rather than one universal tire size
Pressure note
For the Kubota JB17X with front 6-14 and rear 8-18 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
Front/rear matching note
The Kubota JB17X data shows front 6-14 and rear 8-18. 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 kubotausa.com website for official information.
