The Kubota B1241 tractor tire size is front 5.00-12 and rear 280/70R18. Other tire setup data found for this model includes Front 18×9.50-8, Rear 29×12.00-15; Front 23×10.50-12, Rear 280/70R18; Front 280/70R18, Rear 23×10.50-12, so confirm the wheel option before ordering.
Front tire5.00-12
Rear tire280/70R18
Front/rear setupDifferent front and rear tire sizes
Rim diameter12 in front, 18 in rear
Other setup foundFront 18×9.50-8, Rear 29×12.00-15; Front 23×10.50-12, Rear 280/70R18; Front 280/70R18, Rear 23×10.50-12
Kubota B1241 Tire Size Details
Front tire size
5.00-12
Rear tire size
280/70R18
Front/rear setup
Different front and rear tire sizes
Other tire setup found
Front 18×9.50-8, Rear 29×12.00-15
Replacement tire size
Front 23×10.50-12, Rear 280/70R18
R1 ag tire size
Front 280/70R18, Rear 23×10.50-12
Front tire construction
Bias/imperial tire
Rear tire construction
Metric radial
Front section width
5 in
Rear section width
280 mm
Rear aspect ratio
70%
Front rim diameter
12 in
Rear rim diameter
18 in
Approx rear overall diameter
about 33.4 in
Tire Size Comparison Chart
Front rim diameter comparison
This model
12 in
Average
12 in
Low
8 in
High
16 in
Rear rim diameter comparison
This model
18 in
Average
16 in
Low
12 in
High
24 in
Benchmarks use typical low, average and high rim diameters for the sub-compact / compact tractor category, not scraped low/high outliers.
Kubota B1241 Extra Tire Notes
Tire size note
The Kubota B1241 uses different front and rear tire sizes in this data: front 5.00-12 (12 in rim, 5 in width) and rear 280/70R18 (18 in rim, 280 mm width)
Multiple setup note
This data has more than one tire setup for the Kubota B1241. The main front/rear listing is Front 5.00-12, Rear 280/70R18. Other setup data found: Front 18×9.50-8, Rear 29×12.00-15; Front 23×10.50-12, Rear 280/70R18; Front 280/70R18, Rear 23×10.50-12. 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.
