Our offered BF90.3 S4 Crusher Bucket was produced and patented by MB in 2001 and made history as it was the first to be made in the world. It was designed to eliminate material friction in the loading phase and can withstand any difficult conditions on site. BF90.3 S4 Crusher Bucket is extremely compact and versatile and over the years it has been improved and strengthened. This bucket is suitable for all crushing operations, even the hardest.