Being 62 years old I've gone through the tire thing for decades. Good ones last and bad ones don't.
It's took me a while but on the last two tractors I bought, I replaced the tires with what I really wanted and to heck with the poor tires that were on on them. One came with the USA made Titan, which is maybe OK and the other was an entry level US made tire.
On both tractors, I replaced the new tires in a swap with the dealer for higher grade ones. One had rear 18.4-30 and front 12-24 and I swapped to Firestone radials. They are so wonderful it would take a whole thread just to explain it. Yes it cost $$ but the difference in performance is worth it to me. They are eight years old and look like new. I am happy just looking at them.
The other had 18.4-34 and 12.4-24 and I went with Firestone 23 degree, long-bar, long-bar bias for a few hundred extra. Fine tires but I later sold the tractor. In each case, I made the trade-up and trade-in of tires part of the original deal and the dealer had an incentive to be helpful. Yes it cost extra but so does the ticket to life.
Actually, three tractors because a couple years back I bought a JD790 TLB with 90 hours that had been abused. The tires were torn from spinning on sharp rocks. For the back, the dealer had some leftover 12 ply! Firestone bias R4's that I got for a couple hundred trade in and the front I had to go with new Titans. It's OK on that tractor for my use.
Tires on trade in on a new deal are the best it is ever going to get and, if one can afford it, life it too short to own the wrong tires.
