The Kubota GM56 tractor tire size is front 23×8.50-12 and rear 14.9-28. Other tire setup data found for this model includes Front 6.50-16, Rear 14.9-28; Front 8.3-20, Rear 12.4-32, so confirm the wheel option before ordering.
Front tire23×8.50-12
Rear tire14.9-28
Front/rear setupDifferent front and rear tire sizes
Rim diameter12 in front, 28 in rear
Other setup foundFront 6.50-16, Rear 14.9-28; Front 8.3-20, Rear 12.4-32
Kubota GM56 Tire Size Details
Front tire size
23×8.50-12
Rear tire size
14.9-28
Front/rear setup
Different front and rear tire sizes
Other tire setup found
Front 6.50-16, Rear 14.9-28
R1 ag tire size
Front 8.3-20, Rear 12.4-32
Front tire construction
Flotation/implement tire
Rear tire construction
Bias/imperial tire
Front section width
8.5 in
Rear section width
14.9 in
Front rim diameter
12 in
Rear rim diameter
28 in
Approx front overall diameter
about 23 in
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
28 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 GM56 Extra Tire Notes
Tire size note
The Kubota GM56 uses different front and rear tire sizes in this data: front 23×8.50-12 (12 in rim, 8.5 in width) and rear 14.9-28 (28 in rim, 14.9 in width)
Multiple setup note
This data has more than one tire setup for the Kubota GM56. The main front/rear listing is Front 23×8.50-12, Rear 14.9-28. Other setup data found: Front 6.50-16, Rear 14.9-28; Front 8.3-20, Rear 12.4-32. This usually means different wheel, axle, turf/ag/industrial, or market options rather than one universal tire size
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.
