The Kubota GL-43 tractor tire size is front 8-18 and rear 13.6-26.
Front tire8-18
Rear tire13.6-26
Front/rear setupDifferent front and rear tire sizes
Tire pressure14 PSI
Rim diameter18 in front, 26 in rear
Ballast55 gal
Kubota GL-43 Tire Size Details
Front tire size
8-18
Rear tire size
13.6-26
Front/rear setup
Different front and rear tire sizes
Front tire construction
Bias/imperial tire
Rear tire construction
Bias/imperial tire
Front section width
8 in
Rear section width
13.6 in
Front rim diameter
18 in
Rear rim diameter
26 in
Tire pressure
14 PSI
Loaded rear tire ballast / fluid capacity
55 gal
Tire Size Comparison Chart
Front rim diameter comparison
This model
18 in
Average
18 in
Low
12 in
High
28 in
Rear rim diameter comparison
This model
26 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 GL-43 Extra Tire Notes
Tire size note
The Kubota GL-43 uses different front and rear tire sizes in this data: front 8-18 (18 in rim, 8 in width) and rear 13.6-26 (26 in rim, 13.6 in width)
Pressure note
For the Kubota GL-43 with front 8-18 and rear 13.6-26 tires, the pressure values captured in the answer are 14 PSI. Tire pressure is load-dependent, so use this as a reference value rather than a universal setting
Ballast note
For the Kubota GL-43 rear 13.6-26 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 GL-43 data shows front 8-18 and rear 13.6-26. 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.
