** When you order this pump, you will receive the most current version, AR403-GR3/4-GCI, which now features an upgraded gearbox with improved pinion design. **

Hypro/Pentair is no longer distributing the 9910 series of diaphragm pumps and related parts; however, the pumps and repair parts are still available and will now feature factory labeling.

Choose this Hypro D403GRGI Pump for use in your sprayer systems if you value durability and long-term use. With a maximum flow capacity of 10.6 GPM and an upper pressure limit of 580 PSI, it’s ideal for medium-pressure sprayers that deploy pesticides, liquid fertilizers, herbicides, and other agricultural substances that require special care. Additionally, its gearbox and pressure control unit allow the product to be attached to a gas engine.

Hypro medium-pressure diaphragm pumps are recommended for spraying herbicides, pesticides, liquid fertilizers, and many other hard-to-handle fluids. Low-cost maintenance and almost wear-free operation make these pumps ideal for a wide variety of spraying jobs. Pressure and output are designed for optimum performance of small to medium-sized sprayers. Hypro medium-pressure diaphragm pumps can be adapted for male 1-3/8” splined shaft, female 1-3/8” splined shaft, 1” solid shaft, or gear reduction drive options. Pumps include a pulsation dampener except for Models 9910-D303, D403, and D503.

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• Max flow: 10.7 gpm
• Max pressure: 580 psi  
• Includes 9910-GR40 pressure regulator and AR1666 gearbox with 3/4" hollow shaft for mounting on 5 to 6.5 hp gas engines
• Port sizes: 1" HB inlet, (2) 1/2" HB outlet, 3/4" HB bypass
• Pump shaft rotation: CW and CCW
• Diaphragms: 3, semi-hydraulic BlueFlex, Desmopan® and Buna available
• Housing: Anodized aluminum
• Max fluid temperature: 140°F
• Weight: 34 lbs