The Cub Cadet RZT 42 tractor tire size is front 11×4-5 and rear 18×8.5-8. Other tire setup data found for this model includes Front 18×6.5-8, Rear 11×4-5, so confirm the wheel option before ordering.
Front tire11×4-5
Rear tire18×8.5-8
Front/rear setupDifferent front and rear tire sizes
Tire pressure10 PSI
Rim diameter5 in front, 8 in rear
Other setup foundFront 18×6.5-8, Rear 11×4-5
Cub Cadet RZT 42 Tire Size Details
Front tire size
11×4-5
Rear tire size
18×8.5-8
Front/rear setup
Different front and rear tire sizes
R1 ag tire size
Front 18×6.5-8, Rear 11×4-5
Front tire construction
Flotation/implement tire
Rear tire construction
Flotation/implement tire
Front section width
4 in
Rear section width
8.5 in
Front rim diameter
5 in
Rear rim diameter
8 in
Approx front overall diameter
about 11 in
Approx rear overall diameter
about 18 in
Tire pressure
10 PSI
Tire Size Comparison Chart
Front rim diameter comparison
This model
5 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 RZT 42 Extra Tire Notes
Tire size note
The Cub Cadet RZT 42 uses different front and rear tire sizes in this data: front 11×4-5 (5 in rim, 4 in width) and rear 18×8.5-8 (8 in rim, 8.5 in width)
Multiple setup note
This data has more than one tire setup for the Cub Cadet RZT 42. The main front/rear listing is Front 11×4-5, Rear 18×8.5-8. Other setup data found: Front 18×6.5-8, Rear 11×4-5. This usually means different wheel, axle, turf/ag/industrial, or market options rather than one universal tire size
Pressure note
For the Cub Cadet RZT 42 with front 11×4-5 and rear 18×8.5-8 tires, the pressure values captured in the answer are 10 PSI. Tire pressure is load-dependent, so use this as a reference value rather than a universal setting
Front/rear matching note
The Cub Cadet RZT 42 data shows front 11×4-5 and rear 18×8.5-8. When changing either size, front/rear rolling circumference and lead/lag need to stay within the correct range
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.
