So I am working on a bx25 for someone, said he was driving and noticed the hst getting weak, then suddenly just stopped working all together. Will not go forward/reverse. Upon draining the hydraulic fluid the was some small metal shavings that came out as well as a few very small ball bearings and a piece of the bearing. The ball bearings were about half the size of a skittle (candy). Looking for input on if someone possibly knows where they might of came from and if anybody has experienced something like this. I plan on splitting the rear end open to investigate but would like just alittle more information on it.