Skip to Main Content

Udor 03-D100GR Delta Four Diaphragm Pump with 1 in. Gear Box - 560 PSI, 26 GPM

Mfr. Model #:
KR Part #:
72.00 lbs
Usually Ships in 2 Weeks
Now Only!
Aluminum body diaphragm pump with stainless steel liquid handling parts and a 1" gear box. Hose barb ports include a 1 1/2" inlet, two 1/2" outlets, and a 3/4" bypass. Built-in pulsation dampener, control valve, and pressure gauge. NOTE: Gear box not shown in image.

Technical Specifications

Inlet Port: 1 1/2 inch
Max GPM: 26
Max PSI: 560
Max Temperature: 140 degrees F
RPM: 540

Product Description

Aluminum Abrasive Material Pump

The Udor 03-D100GR Quad Diaphragm Pump is an update to the KAPPA-100 pump. It has the same specifications and performance details, but with a new look and pump head design. This pump is made with anodized aluminum and has stainless steel wetted parts. It has a 1.5" hose barb inlet, two .5" hose barb outlets, and a .75" bypass. This model has a gear box for gas engines with a 1" shaft. Add shaft kit as needed.

This lightweight Delta pump is equipped with a pulsation dampener, control unit, and universal drive face. It also has a pressure gauge, dula ball valve outlets, a manual dump lever, and an adjustable pressure regulator. Ideal for use with liquid fertilizers, herbicides, pesticides, suspension products, and other abrasive materials.

Dimensions: 15.5" Length x 16" Width x 12.5" Height


  • 26 GPM maximum flow rate
  • 560 PSI maximum pressure
  • 540 RPM
  • 140° Fahrenheit maximum liquid temperature
  • Gear box for 1" shaft gas engines
  • Inlet: 1 1/2" hose barb
  • Discharge: 1/2" hose barb (x2)
  • Bypass: 3/4" hose barb bypass
  • Clockwise and counter-clockwise pump shaft rotation
  • Four Desmopan diaphragms
  • Anodized aluminum housing
  • Weight: 72 lbs.

Possible Applications:

  • Farming
  • Horticulture
  • Fluid transfer
  • Weed and pest control
  • Fire fighting
  • Hydrostatic testing
  • Dust suppression


  • Desmopan diaphragms
  • Anodized aluminum construction
  • Built-in pulsation dampener, control valve, and pressure gauge
  • 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