Skip to Main Content

Udor 03-K43GR Kappa Medium-Pressure Triple Diaphragm Pump with 3/4 in. Gear Box - 560 PSI, 10.5 GPM

Mfr. Model #:
KR Part #:
35.00 lbs
Usually Ships in 2 Weeks
Now Only!
Aluminum body pump with three Desmopan diaphragms and stainless steel liquid handling parts. 560 PSI max pressure and a 10.5 GPM max flow rate. 3/4" shaft gear box included.

Technical Specifications

Inlet Port: 1 inch
Max GPM: 10.5
Max PSI: 560
Max Temperature: 140 degrees F
RPM: 540

Product Description

Triple Diaphragm Pump with Gear Box

The Udor 03-K43GR Pump is part of their Kappa line of high-quality diaphragm pumps. This is a medium-pressure pump that's ideal for spraying applications like horticulture, pest control, lawn care, and turf spraying. Also useful for tasks like aircraft de-icing, hydrostatic testing, and cleaning.

This medium-pressure sprayer pump has a regulator unit with an adjustable pressure controller, dual ball valve outlets, a manual dump lever, and a pressure measurement instrument. This model also includes a gear box for 4 to 6.5 horsepower gas engines with 3/4" shafts. Add shaft kit as needed.

Dimensions: 9.25" L x 11" W x 10" H


  • 560 PSI maximum pressure
  • 10.5 GPM maximum flow rate
  • 540 RPM
  • Inlet: 1" hose barb
  • Discharge: 1/2" ball valve controlled hose barbs (x2)
  • Bypass: 3/4"
  • 140° Fahrenheit maximum temperature
  • Weight: 29 lbs.


  • Desmopan diaphragms
  • Anodized aluminum construction
  • Built-in pulsation dampener, control valve, and pressure gauge
  • Gear box for gasoline engines with 3/4" shafts (4-6.5 HP)
  • Can run dry
  • Visual sight oil gauges
  • Self-priming operation
  • Compatible with most liquid fertilizers, pesticides, deicers, and abrasive materials
  • Large capacity oil bath crank cases with drain plugs for easier maintenance

Product Reviews

Frequently Asked Questions