I just picked up this free simplicity walk behind and hope to make a
small stump grinder. I looked at the 2 machines the local rental place offer
and the simplicity looks to be more stout than the smaller grinder.
take a look at the simplicity
http://www.motherearthrecycling.net/sim/sim.htm

I will post pictures of my success or



There are one or two guys making and selling stump grinders for Gravely
walk-behind tractors. Think they have been offered on eBay, or you can check
the Yahoo Gravely Club newsgroup.

One of them uses a brush hog gearbox, I believe the other may have used the
gearbox for a rotary plow.

Apparently, they work well.

John Martin