Help with tractor attachment

[Jrybon]

My friend has a 1956 Ferguson tractor in good shape. What do I need to aquire a rough grass cutter (bushhog?)

 

[mechanic mark]

https://www.google.com/search?q=BUSH+HOG+FOR+1956+MASSEY+FERGUSON+TRACTOR&oq=BUSH+HOG+FOR+1956+MASSEY+FERGUSON+TRACTOR&aqs=chrome..69i57j33i160j33i299l2.78968j1j4&sourceid=chrome&ie=UTF-8