The Kubota ZD1021 tractor tire size is front 13×6.5-6 and rear 20×10-10. Other tire setup data found for this model includes Front 13×6.5-6, Rear 24×12.0-14; Front 13×6.5-6, Rear 23×10.5-12; Front 24×12.0-14, Rear 13×6.5-6; plus 1 more, so confirm the wheel option before ordering.
Front tire13×6.5-6
Rear tire20×10-10
Front/rear setupDifferent front and rear tire sizes
Rim diameter6 in front, 10 in rear
Ballast35 gal
Other setup foundFront 13×6.5-6, Rear 24×12.0-14; Front 13×6.5-6, Rear 23×10.5-12; Front 24×12.0-14, Rear 13×6.5-6; plus 1 more
Kubota ZD1021 Tire Size Details
Front tire size
13×6.5-6
Rear tire size
20×10-10
Front/rear setup
Different front and rear tire sizes
Other tire setup found
Front 13×6.5-6, Rear 24×12.0-14
Replacement tire size
Front 13×6.5-6, Rear 23×10.5-12
R1 ag tire size
Front 24×12.0-14, Rear 13×6.5-6
Tire size alternatives / conversions
Front 24×12.0-14, Rear 24×12.0-14
Front tire construction
Flotation/implement tire
Rear tire construction
Flotation/implement tire
Front section width
6.5 in
Rear section width
10 in
Front rim diameter
6 in
Rear rim diameter
10 in
Approx front overall diameter
about 13 in
Approx rear overall diameter
about 20 in
Loaded rear tire ballast / fluid capacity
35 gal
Tire Size Comparison Chart
Front rim diameter comparison
This model
6 in
Average
7 in
Low
6 in
High
10 in
Rear rim diameter comparison
This model
10 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 ZD1021 Extra Tire Notes
Tire size note
The Kubota ZD1021 uses different front and rear tire sizes in this data: front 13×6.5-6 (6 in rim, 6.5 in width) and rear 20×10-10 (10 in rim, 10 in width)
Multiple setup note
This data has more than one tire setup for the Kubota ZD1021. The main front/rear listing is Front 13×6.5-6, Rear 20×10-10. Other setup data found: Front 13×6.5-6, Rear 24×12.0-14; Front 13×6.5-6, Rear 23×10.5-12; Front 24×12.0-14, Rear 13×6.5-6; plus 1 more. This usually means different wheel, axle, turf/ag/industrial, or market options rather than one universal tire size
Ballast note
For the Kubota ZD1021 rear 20×10-10 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.
