tandem disc harrow![click to hear](/images/speaker.jpg)
Device with four disc trains arranged in two opposing V patterns; it loosens the soil that has already been plowed and eliminates weeds.
draw bar hitch ![click to hear](/images/speaker.jpg)
Device that secures the tandem disc harrow to the tractor’s towing hitch.
hydraulic hose ![click to hear](/images/speaker.jpg)
Tube connected to the tractor’s hydraulic coupler that uses a fluid (oil) to transmit power from the engine to the device’s mechanisms.
disc ![click to hear](/images/speaker.jpg)
Dish-shaped part that breaks up clods of earth.
height adjustment ![click to hear](/images/speaker.jpg)
Crank for adjusting the depth of the discs’ penetration into the soil.
frame ![click to hear](/images/speaker.jpg)
Tandem disc harrow’s metal structure.
disc arm ![click to hear](/images/speaker.jpg)
Metal structure to which the discs are attached.