Re: Cat 340D Excavator build
Crueby:
The curved part is oddly enough called the "boom", the other is called either the "bucket arm" or the "stick". There is sometimes a "thumb" that the bucket can pinch against to pick something up, like your thumb and fore-finger. I have seen REALLY good operators that can pick up a wine bottle and pour a glass of wine with an excavator - and hardly spill any. This thumb can either be fixed, usually at about 90° to the stick which restricts bucket rotation, or it can be hydraulically operated to allow almost normal bucket rotation.
Don
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