You may want to try Galaxy Tire, a manufacturer and importer of tires including forestry tires. They will sell direct to you. If you spend a lot of time around cut trees and brush forestry tires have tougher sidewalls and casings to resist damage. www.galaxytire.com
The local dealer doesn't like them at all, he says they cost twice as much but don't seem to be much tougher. I don't have personal experience with them. The motto when working for my farmer neighbour is cut stumps flush or flat!
I have no personal experience with them. All I know is that everybody I know with a log skidder uses them and they go places and cut up tires much worse than I could get away with. From what I've seen they have steel belted sidewalls where from my experience all my cuts in the woods have occurred.
a customer of ours runs a Fiat tractor 5 day's a week, doing silvaculture, and that's all he runs. the tractor is 12 years old and he put the forrestry tires on it in the first year, because the factor tires didn't stand up. now 11 years later, he just replaced the front set of tires, if that doesn't say something, i don't know what does
When my father was running skidders he ran Firestone Forestry Specials. My father in law has run some Galaxys on his skidders, and they were no comparison to the firestones. The were cheaper though.
Try Lyons Equipment, they are a major Logging supply company in the Northeast with stores in 5 states. Phone # for their Little Valley NY store is 716-938-9175. Forrestry tires are in a different league than farm tires as far as puncture resistance, don't let anyone tell you differently.