I lost my best friend a year ago. He was working on a tree that fell down a very steep hill. He was very safety conscious. The tree shifted and pinned him against a sapling. I found him the next morning.
I bought a JD 25A a few years ago that was severely abused and rusted into the ground. After replacing all the bearings, blades and clevis and several hours of welding it works like a charm. I was so happy with it's performance I cleaned it up and painted it.