Environments in Your Fields Change
As you plant your fields, you encounter changing environments. Soil types change, drainage changes, elevation changes, and with each of these changes, the amount of downforce needed changes. With springs or air bags, you are left guessing at the correct setting as well as having to remember to make the necessary adjustment. Even worse, sometimes you would have to get out of the cab. Often, your down pressure setting ends up being wrong.
Learn more from manufacturer.