The Kubota XB-1 tractor tire size is front 6-14 and rear 26×12-12. Other tire setup data found for this model includes Front 6-14, Rear 9.5-24; Front 12.4-24, Rear 8-16; Front 5-12, Rear 7-14, so confirm the wheel option before ordering.
Front tire6-14
Rear tire26×12-12
Front/rear setupDifferent front and rear tire sizes
Tire pressure17 PSI, 14 PSI
Rim diameter14 in front, 12 in rear
Ballast35 gal
Other setup foundFront 6-14, Rear 9.5-24; Front 12.4-24, Rear 8-16; Front 5-12, Rear 7-14
Kubota XB-1 Tire Size Details
Front tire size
6-14
Rear tire size
26×12-12
Front/rear setup
Different front and rear tire sizes
Other tire setup found
Front 6-14, Rear 9.5-24
R1 ag tire size
Front 12.4-24, Rear 8-16
Tire size alternatives / conversions
Front 5-12, Rear 7-14
Front tire construction
Bias/imperial tire
Rear tire construction
Flotation/implement tire
Front section width
6 in
Rear section width
12 in
Front rim diameter
14 in
Rear rim diameter
12 in
Approx rear overall diameter
about 26 in
Tire pressure
17 PSI, 14 PSI
Loaded rear tire ballast / fluid capacity
35 gal
Tire Size Comparison Chart
Front rim diameter comparison
This model
14 in
Average
7 in
Low
6 in
High
10 in
Rear rim diameter comparison
This model
12 in
Average
10 in
Low
8 in
High
12 in
Benchmarks use typical low, average and high rim diameters for the lawn/garden tractor category, not scraped low/high outliers.
Kubota XB-1 Extra Tire Notes
Tire size note
The Kubota XB-1 uses different front and rear tire sizes in this data: front 6-14 (14 in rim, 6 in width) and rear 26×12-12 (12 in rim, 12 in width)
Multiple setup note
This data has more than one tire setup for the Kubota XB-1. The main front/rear listing is Front 6-14, Rear 26×12-12. Other setup data found: Front 6-14, Rear 9.5-24; Front 12.4-24, Rear 8-16; Front 5-12, Rear 7-14. This usually means different wheel, axle, turf/ag/industrial, or market options rather than one universal tire size
Pressure note
For the Kubota XB-1 with front 6-14 and rear 26×12-12 tires, the pressure values captured in the answer are 17 PSI, 14 PSI. Tire pressure is load-dependent, so use this as a reference value rather than a universal setting
Ballast note
For the Kubota XB-1 rear 26×12-12 tires, the ballast figure captured in the answer is 35 gal. Liquid ballast capacity can change by tire brand, fill percentage, wheel setup and ballast fluid type
Front/rear matching note
The Kubota XB-1 data shows front 6-14 and rear 26×12-12. 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.
