I must be doing something right. 493 hours now and not one issue. No doubt they are not as durable as a ctl style. The only thing I can see that will tear them up in a hurry is crushed stone and maybe mulching with one. I have yet to rip any drive lugs off or the constant maintenance others speak of. When it's muddy I wash it out. Thats it. I still blame Cat for the bad rep that stuck with the MTL style. Maybe the balance has something to do with it?