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1) Variable-rate planting unit. |
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2) The Rawson hydraulic drive used to vary seeding rates on the planter. |
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3) The hydraulic drive mounted on the John Deere planter. |
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4) A stepper motor is use to control the valve position and thus the output speed of the hydraulic motor. |
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5) The Rawson User Interface or Controller mounted inside the cab of the tractor. |
