Skip Content

Rotary Gear Pump Head, 1 In., 3 HP close
close x

Using 360° Viewing:

  1. Rotate: Use top-to-bottom, side-to-side by use of mouse arrow.
  2. Zoom In: Double click on image.
  3. Zoom Out/Reset: Put photo at full zoom & then double click.
Megaphone How can we improve our Product Images?

Rotary Gear Pump Head, 1 In., 3 HP

Price $1,699.00 / each

Activate Now

to save with

Select AdvantageSM

Please sign in or register to access lists

Confirm ZIP Code to determine availability.


Invalid Zip Code


Ship to: (Change)


Invalid Zip Code

  • Item # 4KHN9
  • Mfr. Model # 4KHN9
  • UNSPSC # 40151551
  • Catalog Page # 3784
  • Shipping Weight 35.05 lbs.
Country of Origin IndiaCountry of Origin is subject to change.
Note: Product availability is real-time updated and adjusted continuously. The product will be reserved for you when you complete your order. More

Technical Specs

  • ItemRotary Gear Pump Head
  • Duty RatingIntermediate
  • DesignClose Coupled
  • Pump Body Material316 Stainless Steel
  • Port Size1"
  • Motor Frame182TC/184TC
  • Pump RPM1725
  • Temp. Range32 Degrees to 280 Degrees F
  • Max. Pressure125 psi
  • Max. Viscosity550 SSU
  • GearFortron PPS Spur
  • Length13-1/2"
  • Width4-3/8"
  • Height5-3/4"
  • O-Ring MaterialViton
  • Relief ValveWithout
  • SealBall Bearing Mechanical With Stainless Steel, Viton, Carbon/Ceramic
  • Shaft Dia.0.787"
  • Shaft Material316 Stainless Steel
  • GPM @ Freeflow24.8
  • HP @ Free Flow1-1/2
  • GPM @ Freeflow @ 1725 RPM24.8
  • HP @ Free Flow @ 1725 RPM1-1/2
  • GPM @ 25 PSI23.4
  • HP @ 25 PSI1-1/2
  • GPM @ 50 PSI22.3
  • HP @ 50 PSI2
  • GPM @ 75 PSI21.5
  • HP @ 75 PSI2
  • GPM @ 100 PSI20.5
  • HP @ 100 PSI3
  • GPM @ 125 PSI23.3
  • HP @ 125 PSI3
  • GPM @ 125 PSI @ 1725 RPM23.3
  • HP @ 125 PSI @ 1725 RPM3
  • Suction Lift19.5 ft.
  • Suction Lift @ 1725 RPM19.5 ft.
Megaphone How can we improve our Technical Specifications?

Compliance and Restrictions



Dayton heavy duty gear pumps feature self priming, bidirectional, positive displacement, designed to operate with nearly pulseless flow. They are used in a wide variety of applications including industrial, agricultural, marine, domestic, and commercial apartments. The pumps can be directly mounted to NEMA frame Total Enclosed Fan Cooled (TEFC) motors. Made of stainless steel, these pumps are ideal for handling viscous based fluids.

Repair Parts

Displaying repair parts for model:
  • 4KHN9

Product Reviews Disclaimer:
Grainger is neither responsible for, nor does it endorse, the content of any product review or statement posted. Any statements posted constitute the statements of the poster and are not the statements of Grainger. The statements posted by Grainger employees with the Grainger employee badge represent the views of such employees and are not the statements of Grainger. Grainger makes no representations as to the appropriateness, accuracy, completeness, correctness, currentness, suitability, or validity of any product review or statements posted, including those posted by employees with the Grainger employee badge, and is not liable for any losses, injuries or damages which may result from any such product review or statements. Use of any linked web site provided in a product review or post is at the user's own risk.