2 different animals
the 3 pt attaches the implement to the tractor
the PTO powers the attachment if it "moves", i.e. mows / bails / tills / splits wood etc
a plow would be mounted on a 3 pt but would not need a PTO
the 3 pt attaches the implement to the tractor
the PTO powers the attachment if it "moves", i.e. mows / bails / tills / splits wood etc
a plow would be mounted on a 3 pt but would not need a PTO