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AR40-GR3/4-GCI Diaphragm Pump with Gearbox & Regulator


Available for Purchase!

SKU: AR40-GR34-GCI Categories: ,


AR40-GR3/4-GCI / HYPRO D40 Medium Pressure Diaphragm Pump with Gearbox & Regulator

Call for Special Pricing – 561-964-3228!

550 RPM – Semi-Hydraulic Two Diaphragm Pump

GR3/4 – Pinion inner diameter in inches / pump with mounted gearbox
GCI – Pump with a mounted control unit.

This pump supersedes Hypro D40 Pump


140 degrees Fahrenheit – Max Water Temp | 1-1/4 inch Suction | 1/2 inch – Outlet

  • Alternating volumetric pumps with two semi-hydraulic diaphragms for use in the gardening or semi-professional agricultural sectors, trolley-mounted in combination with electric motors or internal combustion engines for gardening, and small sprayers for medium-pressure pesticide treatments in gardens, greenhouses, orchards or vineyards
  • Parts in contact with pumped liquids in plastic-coated aluminium and body in aluminium
  • Diaphragms in NBR, Desmopan or Viton
  • Seals in NBR or Viton
  • Die-cast casing with oil-immersed mechanism and clear plastic tank for visual level checking
  • Pistons with ring for a more efficient oil cushion system to protect the diaphragm
  • New-design diaphragm cut-out system to prevent contact tearing even in heavy-duty operating conditions
  • Spherical sector profile valves for lower flow resistance and improved volumetric efficiency


Max GPM 12.2
Max L/Min 46.3
Max PSI 580
MaxBar 40
Outlet 1/2 in. NPT
Max Temp 140 degrees Fahrenheit
HP 3.5
Weight 33.0
Suction 1-1/4 inch
Pressure Medium


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Prop 65 Warning!

This product can expose you to chemicals which are known to the State of California to cause cancer.