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SWMN | On our 2 planters last year I used take off JD planter motors to variable rate with John blue piston pumps. Took the sprocket off both and used a generic lovejoy coupler. Out of the pump I have a 3 way electric banjo valve. I run it through Ag Leader. In a zero rate area or already applied area of the field the valve switches the flow back to the tank and the pump runs at standby pwm level. I don't have sections, just planter wide application. | |
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Hyd drive piston pump