Opinions will vary, but I'll tell it like it is.
If anyone remembers all the way back when 
FREE?
The man that we picked it up from is lending it to us for free until a few of us around here get our stumps ground down to the dirt. The man picked it up about 11 years ago now, and still hasn't used it. Part of the reason that he never used it is that the last guy he lent it to kept it for a decade! Yeah, for 10 long years the last guy "borrowed" it. Then, right before he gave it back, he wound up running it up against a rock ledge, which trashed what was left of the teeth.
On this heavy drum, there are 60 teeth which are designed to shred the stump and reduce it to woodchips and sawdust. However, when the teeth on it are damaged, this machine will be able to accomplish a lot less work in a lot more time.
MY CHOICE
For 
Well, I made my choice. Sure, it was an expense out of my pocket, but so would renting a piece of equipment to get the job done. By being able to borrow one for free, I could work at my leisure too, unlike with a rental. Plus, with the amount of rock around the stumps on my land, there was a good chance of completely ruining whatever was left of the old teeth and returning the equipment in a state where it really didn't function at all.
Simply put, if someone was going to be nice enough to lend out such equipment free of charge then perhaps it would nice to bless him.
As you can see here, replacing the old teeth with these brand new carbide tipped ones was going to change the whole machine as far as stump grinding was concerned. If purchasing the new teeth wasn't hard enough, now I had to change them out too! Most were not that bad, but the tough ones were really tough!
Because of how far they had been wore down, not only was the tooth damaged, but the bolts too. Many of them had been ground down rather far.
The normal size for these bolts is T55. Although they are not tapered, some had been worn to the point that they would fit a T50 or even T47 size screw head. On the bright side, at least they unscrewed!
For others, I actually had to use a metal drill bit to make the holes so that I could fit my tool into them. Now this was an interesting bit of work. Thankfully, it did work on a lot of them.
Just look at how far gone this bolt is compared to a new one. I really should have bought more new bolts too, because the 20 I picked up did not last very long.
Once I replaced all of the ones that I could, which left about 8 unchanged, I got back to work. The machine worked much better and saved quite a bit of time. Not only did I finally finish grinding all of the stumps on my driveway and house site, I even drove the tractor down to take care of the ones that 
Soon, we will be done with the machine and it'll be time for it to head back to its owner. This time, it'll be returned in better condition. Sure, it may have cost me hundreds of dollars to do it, but I think that it was the right thing to do, and a good choice on my part since I had the opportunity. What do you think?
As always, I'm and here's the proof:
proof-of-new-teeth
Until next time…
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