Mark Master Roto-Tiller

Possibly buying a Mark Master Roto-Tiller:
Model # 210-320-065-A070B
S/N # 21-011 5708

Has a B&S 5hp Horz...:fing32:

Seller says the tines won't turn when enguaged...:crybaby:

Likely the gears are worn due to lack of lube oil...:banghead3

The machine looks good otherwise and I would like to re-store it.

If I can find some more info on it I could determine wheither or not I could even fix it...:Stop:

You tiller guys have any sources for manuals or anyone have personal knowledge about this machine...raying:

Thanks, 3rdMarDiv