I used Oliver front mount cultivators. Not sure of their #. I'll see if I still have a manual. You might go to "yesterdays tracors" site and ask info from BA Star. Sure he would know.  Good Luck  jps,  e-mail me if you can't find info.  <!-- e --><a href="mailto:scheernj@mtcnet.net">scheernj@mtcnet.net</a><!-- e -->