There seems to be a large variance in the dimensions of quick attach plates. Most show the width needing to be 44 to 45 inches. The vertical seems to vary wildly from 15 to 18 inches. Being an ISO standard, I'm surprised it is not described better.
After looking at the prices and heavy weight of brush grapples, I decided to make one that slides onto a quick attach plate just like pallet forks. The entire cost with disposables is still under $300. The weight is still light enough to not effect the lift capacity of a smaller tractor. It can...
I refurbished this chipper recently. The bolts holding the blades needed replaced as I had to drill them out. The blades were easy to sharpen on a 6" wide belt sander. I did have to remove one blade shim to get my distance to the bed correct.
I added a pair of Bro-tek 3" wheel spacers last night. So far, so good. The response time and customer service from Richard has been really good. Most places do not have anything listed about YT235s or Yanmar in general for their wheel spacers.