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Direct Hydraulic Drive Piston Pump

  • Lower cost and more compact solution for variable rate piston pump drives.
  • Users can supply their own SAE A 2-bolt motor or hydraulic motor/PWM manifold kits are available from John Blue Company. We offer a flow-thru hydraulic motor/PWM manifold kit (116205-91) and a dead-head style hydraulic motor/PWM manifold kit (116205-91D).
  • A piston pump allows for quick and stable adjustment to application rates within millisecond.
  • With a piston pump your application rates won’t change with the temperature.

Manual Rate/Speed Control Drive Kit (Bar Mount)

For remote mounting of drive

Kit includes: bar mounting bracket, chain, sprockets, 1/2″ FPT port motor, 1/2″ FPT manually adjusted in-line flow control valve, optical tachometer (to set pump speed) and setup instructions.

Manual Rate/Speed Control Drive Kit (Direct Drive)

For remote mounting of drive

  • Can be used for Variable Rate and sectional shut-off as desired.
  • Existing pumps can be easily converted to variable rate.
  • A piston pump allows for quick and stable adjustment to application rates within milliseconds.
  • Motor has 1/2″ NPTF ports to allow connection to any flow control valve.

Variable Rate Hydraulic Drive Kit for John Deere® CANbus Planters

Using GreenStar™ GS2 and GS3

  • Base Kit to add variable rate capacity to a John Blue Piston Pump for the John Deere GreenStar Systems.
  • Existing pumps can be easily converted to variable rate.
  • Uses a PWM flow control valve.
  • A piston pump allows for quick and stable adjustment to application rates within milliseconds.
  • With a piston pump your application rates won’t change with the temperature.
  • Hydraulic 2-way bypass valve turns pump and liquid flow on and off.

Variable Rate Hydraulic Drive Kit for Raven, Ag Leader, Trimble

For systems that can control a PWM Valve

  • Base kit to add variable rate capacity to a John Blue Piston Pump for PWM (pulse width modulation) series is for Raven, Ag Leader, Dickey-John, and others.
  • Can be used for Variable Rate and sectional shut-off as desired.
  • Existing pumps can be easily converted to variable rate.
  • A piston pump allows for quick and stable adjustment to application rates within milliseconds.

Variable Rate Hydraulic Drive Kit for Raven, Ag Leader, Trimble (Direct Drive)

(and other systems that can control a PWM Valve)

  • Base kit to add variable rate capacity to a John Blue Piston Pump for PWM (pulse width modulation) series is for Raven, Ag Leader, Dickey-John plus others.
  • Can be used for Variable Rate and sectional shut-off as desired.
  • Existing pumps can be easily converted to variable rate.
  • A piston pump allows for quick and stable adjustment to application rates within milliseconds.