forage harvester
Device that harvests herbage (such as alfalfa, clover and corn) for feeding livestock.
pickup cylinder 
Rotating unit that gathers the forage, which is then chopped and blown into the wagon.
draw bar hitch head 
Device that secures the forage harvester to the tractor’s towing hitch.
power-takeoff shaft 
Device that hitches the machine’s shaft to the tractor’s power train to transmit the necessary power to operate it.
tow bar 
Metal part consisting of a draw bar hitch head that connects the forage harvester to the tractor.
rotating auger 
Threaded shaft that drives the forage into the mincer and then to the spout.