Scotty welcome to posting on TreeBuzz. Previous to you posting on this thread and waking it up the last post was Nov 2016. Your interest in it and added comments prove out one of my core beliefs. TreeBuzz is an invaluable archive and resource of information for arborists.
Thanks again for...
Preventative maintenance will handle it.
Some of my bigger Husky have a grease hole at end of shaft to needle grease gun it.
Copy that method by drilling two of your own holes. (Risk that burrs left instantly trash bearings.)
Yes....travel if you have to but chip behind at least the one you're inclined to buy.
90XP will choke up with even handfuls of brush fed all at once. Wider in-feed will be better. 90XP and 50 hp motor will choke down faster than machine feeding too. (If I would have known CA was going to go...
8 5/8" cutting face to flat hammer
1 1/4" at thickest of fiberglass holding head
4 1/8" length cutting edge
2 5/8" hammer head length
Mine has some pretty good dings out of it. Must not like me slipping off the corners of hard head wedges.
The way my market is with varied situations having a bunch of specific options that don't come stock on many/most chippers saves or makes me money week after week.
Ha, my stock muffler rusted in half near the ocean in a couple of years - cheap steel. Replacement will probably last 20 or 30...
Autofeedplus.com for the autofeed controller -a well built one. Kurt there can be a tad abrasive at times so have your mind set on a machine that functions incredibly and not necessarily being treated all warm and fuzzy. ($300 or $400) He sells them on ebay under the same name.