The Cub Cadet 122 tractor tire size is front 4.00-8 and rear 18×9.50-8. Other tire setup data found for this model includes Front 4.00-8, Rear 6-12; Front 23×10.50-12, Rear 23×10.50-12; Front 23×8.50-12, Rear 4.80×4.00-8; plus 1 more, so confirm the wheel option before ordering.
Front tire4.00-8
Rear tire18×9.50-8
Front/rear setupDifferent front and rear tire sizes
Tire pressure25 PSI, 15 PSI
Rim diameter8 in front/rear
Other setup foundFront 4.00-8, Rear 6-12; Front 23×10.50-12, Rear 23×10.50-12; Front 23×8.50-12, Rear 4.80×4.00-8; plus 1 more
Cub Cadet 122 Tire Size Details
Front tire size
4.00-8
Rear tire size
18×9.50-8
Front/rear setup
Different front and rear tire sizes
Other tire setup found
Front 4.00-8, Rear 6-12
Replacement tire size
Front 23×10.50-12, Rear 23×10.50-12
R1 ag tire size
Front 23×8.50-12, Rear 4.80×4.00-8
Tire size alternatives / conversions
Front 23×8.50-12, Rear 23×8.50-12
Front tire construction
Bias/imperial tire
Rear tire construction
Flotation/implement tire
Front section width
4 in
Rear section width
9.5 in
Front rim diameter
8 in
Rear rim diameter
8 in
Approx rear overall diameter
about 18 in
Tire pressure
25 PSI, 15 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
8 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.
Cub Cadet 122 Extra Tire Notes
Tire size note
The Cub Cadet 122 uses different front and rear tire sizes in this data: front 4.00-8 (8 in rim, 4 in width) and rear 18×9.50-8 (8 in rim, 9.5 in width)
Multiple setup note
This data has more than one tire setup for the Cub Cadet 122. The main front/rear listing is Front 4.00-8, Rear 18×9.50-8. Other setup data found: Front 4.00-8, Rear 6-12; Front 23×10.50-12, Rear 23×10.50-12; Front 23×8.50-12, Rear 4.80×4.00-8; plus 1 more. This usually means different wheel, axle, turf/ag/industrial, or market options rather than one universal tire size
Pressure note
For the Cub Cadet 122 with front 4.00-8 and rear 18×9.50-8 tires, the pressure values captured in the answer are 25 PSI, 15 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 www.cubcadet.com website for official information.
