Okuma BDU-50A brushless servo motor Y drive unit amplifier Vertical Milling Machine. Hello we have a used VMC milling machine drive unit for sale. This was working when taken out of machine. Check pictures for cosmetic condition. Selling as is as found condition. Selling for parts repair or restore. If you have questions or need more pics please email. Check out my other auctions we have many other boards, motors, repair manuals. We can also ship using your choice of shipping companies and provide pallet or crating of items. Local pick up welcome! Thanks for looking.