SPECIAL NOTE:  It is highly recommended to buy lawn and garden tires in pairs.  Each manufacture builds there tires to different specifications so trying to match up a tire by crossing brands is next to impossible.  The price you see is the price for 2 tires.

Tire Size:  23x10.50-12
Model: D405
Ply Rating:  6
Recommended Rim: 12x8.50
Overall Diameter (inch): 23.30
Section Width (inch): 9.60
Max Load (lbs): 1760
Inflation Pressure (PSI):  32
Approx Tread Depth 32nds (inch):  16

The narrower tire is preferred when digging and pulling is needed.  The wider tire is more for flotation and will provide traction on soft ground.