Well, it looks like that day may have come. I seem to have a seep from my sidewall. Tires are filled, of course, or they'd probably be flat.
So, I have several questions:
What say you all?

So, I have several questions:
- Are these tires changeable by a backyard mechanic with hand tools, or am I going to have to take them to the dealer?
- Any preferred brand? I see a lot of complaints about the Kubota branded R4s. Are Carlisle any good?
- Since I do a lot of bucket work and occasional backhoe work, would I be best to stick with R4s? I have seen some posts here and there from people who use turf tires for this work and are happy with them. I do drive on my lawn a lot, so that's a factor.
What say you all?
