As Mark says, would be Ideal for trimming, a 6M is a trimming tractor too. The bent pad under the center is a very good example of why you don't run LGP tractors on rough hardcore shite.
Sprocket segments look good. Looks like it either wants a link out or the idler greased up
I would say those grousers are still around 40% if you looked up the wear information from caterpillar.