Searching for this seems to lead to just one result, which is eBay. There are thousands of sellers on eBay, so you have a chance of finding an excavator bucket. You might also try some tractor stores.
a bucket wheel excavator is 200 to 350 metres tall
The main thing that comes up when you look for an excavator bucket is www.ebay.com. They have lots of new and used ones for good prices. You will also be able to find all your farming needs there as well.
A backhoe excavator is one that has a loading bucket on the front and a hoe on the back. Such as a Case 580 backhoe
The largest bucket-wheel excavator in the world, the Bagger 288, has a song about it. See Related link.
Yes, "The Throwback" is the novel where the Bucket-Wheel Excavator gang appears. It was written by Tom Sharpe and published in 1978.
Badger 228
The way any other excavators does it's the same
A bucket crusher is a crusher inside a bucket that is attached to an excavator and so used. To clarify, you can view a video demonstration of how they work here... http://www.bucketcrusher.co.nz/?page_id=201
why swing and bucket not working properly
7.34 cu yds.
It should not be more than 10% of the bucket size of the excavator.
The Bagger 288 is the largest bucket-wheel excavator, and the largest tracked vehicle in the world. It can strip-mine 240,000 tons of coal a day. You can see a picture of the Bagger 288 and even buy it for wallpaper in the Related link below. It even has its own song. See Related link.