Wittenstein Alpha Tp 050S-Mf2-100-0E1-2S Planetary Gearhead. . $920.45 https://www.ebay.com/itm/274555880145?hash=item3fecce42d1:g:…
Wittenstein SP-240S-MF2-20-1M1-2S Gearhead 20:1 $3,500.00 https://www.ebay.com/itm/385144794199?hash=item59ac6b2c57:g:…