The Kubota T1870 tractor tire size is front 16×7.5-8 and rear 24×12-12. Other tire setup data found for this model includes Front 18×8.50-10, Rear 26×12.00-12; Front 15×6.00-6, Rear 20×10.00-8; Front 23×8.50-12, Rear 13.6-16, 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 pressure12 PSI, 14 PSI
Rim diameter8 in front, 12 in rear
Ballast35 gal
Other setup foundFront 18×8.50-10, Rear 26×12.00-12; Front 15×6.00-6, Rear 20×10.00-8; Front 23×8.50-12, Rear 13.6-16
Kubota T1870 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
Other tire setup found
Front 18×8.50-10, Rear 26×12.00-12
Replacement tire size
Front 15×6.00-6, Rear 20×10.00-8
R1 ag tire size
Front 23×8.50-12, Rear 13.6-16
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
12 PSI, 14 PSI
Loaded rear tire ballast / fluid capacity
35 gal
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 T1870 Extra Tire Notes
Tire size note
The Kubota T1870 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 T1870. The main front/rear listing is Front 16×7.5-8, Rear 24×12-12. Other setup data found: Front 18×8.50-10, Rear 26×12.00-12; Front 15×6.00-6, Rear 20×10.00-8; Front 23×8.50-12, Rear 13.6-16. This usually means different wheel, axle, turf/ag/industrial, or market options rather than one universal tire size
Pressure note
For the Kubota T1870 with front 16×7.5-8 and rear 24×12-12 tires, the pressure values captured in the answer are 12 PSI, 14 PSI. Tire pressure is load-dependent, so use this as a reference value rather than a universal setting
Ballast note
For the Kubota T1870 rear 24×12-12 tires, the ballast figure captured in the answer is 35 gal. Liquid ballast capacity can change by tire brand, fill percentage, wheel setup and ballast fluid type
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.
