hay baler
Device that harvests the forage and compresses it into bales.
draw bar hitch head 
Device that secures the hay baler to the tractor’s towing hitch.
tow bar 
Metal part consisting of a towing hitch that connects the hay baler to the tractor.
pickup cylinder 
Rotating unit that picks up the cut grass (such as straw or forage) to convey it to the plungerhead.
power-takeoff shaft 
Device that hitches the machine’s shaft to the tractor’s power train to transmit the necessary power to operate it.
plungerhead 
Mechanical device that pushes the hay or straw into the press chamber by squeezing it forcibly.
press chamber 
Device that shapes the bales of hay or straw.
binder 
Device that ties the bales of hay or straw using string or wire.