The Kubota GL321 tractor tire size is front 6.00-12 and rear 12.4-24. Other tire setup data found for this model includes Front 8-16, Rear 13.6-24; Front 8.3-24, Rear 6.00-12; Front 13.6-24, Rear 8-16, so confirm the wheel option before ordering.
Front tire6.00-12
Rear tire12.4-24
Front/rear setupDifferent front and rear tire sizes
Rim diameter12 in front, 24 in rear
Ballast55 gal
Other setup foundFront 8-16, Rear 13.6-24; Front 8.3-24, Rear 6.00-12; Front 13.6-24, Rear 8-16
Kubota GL321 Tire Size Details
Front tire size
6.00-12
Rear tire size
12.4-24
Front/rear setup
Different front and rear tire sizes
Other tire setup found
Front 8-16, Rear 13.6-24
Replacement tire size
Front 8.3-24, Rear 6.00-12
Tire size alternatives / conversions
Front 13.6-24, Rear 8-16
Front tire construction
Bias/imperial tire
Rear tire construction
Bias/imperial tire
Front section width
6 in
Rear section width
12.4 in
Front rim diameter
12 in
Rear rim diameter
24 in
Loaded rear tire ballast / fluid capacity
55 gal
Tire Size Comparison Chart
Front rim diameter comparison
This model
12 in
Average
18 in
Low
12 in
High
28 in
Rear rim diameter comparison
This model
24 in
Average
28 in
Low
18 in
High
38 in
Benchmarks use typical low, average and high rim diameters for the compact / utility tractor category, not scraped low/high outliers.
Kubota GL321 Extra Tire Notes
Tire size note
The Kubota GL321 uses different front and rear tire sizes in this data: front 6.00-12 (12 in rim, 6 in width) and rear 12.4-24 (24 in rim, 12.4 in width)
Multiple setup note
This data has more than one tire setup for the Kubota GL321. The main front/rear listing is Front 6.00-12, Rear 12.4-24. Other setup data found: Front 8-16, Rear 13.6-24; Front 8.3-24, Rear 6.00-12; Front 13.6-24, Rear 8-16. This usually means different wheel, axle, turf/ag/industrial, or market options rather than one universal tire size
Ballast note
For the Kubota GL321 rear 12.4-24 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 GL321 data shows front 6.00-12 and rear 12.4-24. 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.
