I don't know if this rotator works, but all the parts including service manual appear to be here. This will be given to the HAM who wants a project to work on to see if this '60s era rotator can be put back to work.
C-225 control box
C-225 Rotator Unit
Alliance Thrust Bracket
Original service manual which covers the above control box and rotator unit and more (Models t-10, u-83, k-22, t-12, u-98, t-20, u-100, t-45, and c-225).
5-wire cable to connect the control box to the rotator.