I ordered these for my Craftsman GT5000 in the 23x10.50.12 size and 4 ply. I mow a couple of good sized fields that are very rough and hilly as well as my lawn around my house which has a 45 degree hill in the rear which is about 30 feet top to bottom. The rock hard OEM Carlisle Turf Savers just were not up to the task and they rode as hard as a rock even with zero air pressure. I have no mowed twice with these tires installed and the difference is dramatic. Going down the 45 degree hill before was an interesting ride and now these tires hold traction so that I am not going 20 mph at the bottom. They do leave a bit of turf disruption on the downhill run but the tractor maintains the set speed. excellent. These tires arrived in outstanding shape, they were not flattened from stacking and they sealed up very easy, impressive, others I have ordered online arrive with the sidewalls flattened and I need to use the "starting fluid" trick to get them expanded. The tread depth is also very impressive at around 3/4 of an inch and look impressive and aggressive. They are a bit hard riding at normal inflation but ride very well at 4 psi and have just a slight sag like an automobile tire. Excellent tire and excellent experience with Simple Tire and I will certainly purchase future tires from them (I own a busy small engine repair shop with 3 employees). I recommend these tires without hesitation, excellent tire at an extremely fair price, however, the shipping is a bit steep. Kevin Bowley, Kevin's Small Engine, South Berwick Me 03908.