Anything of the size of a Ford N-series or Allis B/C if it has a 3-point. Even a larger "garden tractor with a 3-point if the mower has cat0 hitch pins. Phil > I happened onto a nice little twin blade 4' 3-pt twin blade mower--like a > brushhog. What older tractors would use a 3-pt. 4' mower like > this?? It's blue. John > > In the wide-open spaces of NE Oregon