The Kubota ZD326H tractor tire size is front 15×6.0-6 and rear 26×12.0-12. Other tire setup data found for this model includes Front 1R1, Rear 26×12-12, so confirm the wheel option before ordering.
Front tire15×6.0-6
Rear tire26×12.0-12
Front/rear setupDifferent front and rear tire sizes
Tire pressure30 PSI, 20 PSI
Rim diameter6 in front, 12 in rear
Ballast55 gal
Other setup foundFront 1R1, Rear 26×12-12
Kubota ZD326H Tire Size Details
Front tire size
15×6.0-6
Rear tire size
26×12.0-12
Front/rear setup
Different front and rear tire sizes
R1 ag tire size
Front 1R1, Rear 26×12-12
Front tire construction
Flotation/implement tire
Rear tire construction
Flotation/implement tire
Front section width
6 in
Rear section width
12 in
Front rim diameter
6 in
Rear rim diameter
12 in
Approx front overall diameter
about 15 in
Approx rear overall diameter
about 26 in
Tire pressure
30 PSI, 20 PSI
Loaded rear tire ballast / fluid capacity
55 gal
Tire Size Comparison Chart
Front rim diameter comparison
This model
6 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 ZD326H Extra Tire Notes
Tire size note
The Kubota ZD326H uses different front and rear tire sizes in this data: front 15×6.0-6 (6 in rim, 6 in width) and rear 26×12.0-12 (12 in rim, 12 in width)
Multiple setup note
This data has more than one tire setup for the Kubota ZD326H. The main front/rear listing is Front 15×6.0-6, Rear 26×12.0-12. Other setup data found: Front 1R1, Rear 26×12-12. This usually means different wheel, axle, turf/ag/industrial, or market options rather than one universal tire size
Pressure note
For the Kubota ZD326H with front 15×6.0-6 and rear 26×12.0-12 tires, the pressure values captured in the answer are 30 PSI, 20 PSI. Tire pressure is load-dependent, so use this as a reference value rather than a universal setting
Ballast note
For the Kubota ZD326H rear 26×12.0-12 tires, the ballast figure captured in the answer is 55 gal. Liquid ballast capacity can change by tire brand, fill percentage, wheel setup and ballast fluid type
Front/rear matching note
The Kubota ZD326H data shows front 15×6.0-6 and rear 26×12.0-12. 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.
