The Kubota BX1870 tractor tire size is front 16×7.5-8 and rear 24×12-12. Other tire setup data found for this model includes Front 23×8.50-12, Rear 23×8.50-12, so confirm the wheel option before ordering.
Front tire16×7.5-8
Rear tire24×12-12
Front/rear setupDifferent front and rear tire sizes
Tire pressure17 PSI, 14 PSI, 22 PSI
Rim diameter8 in front, 12 in rear
Other setup foundFront 23×8.50-12, Rear 23×8.50-12
Kubota BX1870 Tire Size Details
Front tire size
16×7.5-8
Rear tire size
24×12-12
Front/rear setup
Different front and rear tire sizes
R1 ag tire size
Front 23×8.50-12, Rear 23×8.50-12
Front tire construction
Flotation/implement tire
Rear tire construction
Flotation/implement tire
Front section width
7.5 in
Rear section width
12 in
Front rim diameter
8 in
Rear rim diameter
12 in
Approx front overall diameter
about 16 in
Approx rear overall diameter
about 24 in
Tire pressure
17 PSI, 14 PSI, 22 PSI
Tire Size Comparison Chart
Front rim diameter comparison
This model
8 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 BX1870 Extra Tire Notes
Tire size note
The Kubota BX1870 uses different front and rear tire sizes in this data: front 16×7.5-8 (8 in rim, 7.5 in width) and rear 24×12-12 (12 in rim, 12 in width)
Multiple setup note
This data has more than one tire setup for the Kubota BX1870. The main front/rear listing is Front 16×7.5-8, Rear 24×12-12. Other setup data found: Front 23×8.50-12, Rear 23×8.50-12. This usually means different wheel, axle, turf/ag/industrial, or market options rather than one universal tire size
Pressure note
For the Kubota BX1870 with front 16×7.5-8 and rear 24×12-12 tires, the pressure values captured in the answer are 17 PSI, 14 PSI, 22 PSI. Tire pressure is load-dependent, so use this as a reference value rather than a universal setting
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.
