Made a quick little video showing how I reinforced my tractor bucket. I decided to add a piece of 2.5"x2.5"x1/4" square tube to the top of the bucket to keep it from flexing under loads. All commercial bucket or bobcat buckets are similar. Thanks for watching.
https://www.youtube.com/watch?v=UUp-uhsIQsU
https://www.youtube.com/watch?v=UUp-uhsIQsU