When you need reliable, consistent power along with a pump tooled for medium-pressure sprayer applications, select this Hypro/AR D50 & Honda GX 270 Electric Start Engine Assembly. The pump is rated with a maximum pressure of 580 PSI and an upper flow rate of 14 GPM, which means it's ideal for use in delivering liquid fertilizers, herbicides and pesticides. Additionally, the 9.0 HP Honda OHV commercial-grade engine gives plenty of power for long-term use. Pressure regulator is included but not shown in picture.

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

These 2 diaphragm, medium pressure, epoxy-coated pumps achieve up to 14.8 gpm (56 lpm) and 580 psi (40 bar). Pressure and output are designed for optimum performance of small to medium-sized sprayers. Pentair 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. With the GX270, you're looking at one of the best engines in the business. More power. Quieter performance. Lower fuel consumption. Lower emissions. Better features. Exceptional performance. Honda's GX series lives up to the legend, and then some.

D50 (AR50):

• Max Flow: 14.8 GPM
• Max Pressure: 580 PSI
• Includes 9910-GS40GI pressure regulator and 9910-KIT1642 gearbox with 1” hollow shaft for 8–9 HP engines
• Port Sizes: 1-1/4” HB inlet, (2) 1/2” HB outlets, 3/4” HB bypass
• Shaft Rotation: CW and CCW
• Diaphragms: 2 semi-hydraulic (Desmopan® standard, Buna available)
• Housing: Anodized aluminum
• Max Fluid Temp: 140°F
• Weight: 48 lbs

Engine: Honda GX270 (Electric & Recoil Start):

• Type: Air-cooled 4-stroke OHV
• Displacement: 270 cc
• Power: 7.9 HP @ 3600 RPM
• Torque: 13.5 lb-ft @ 2500 RPM
• Shaft: 1” solid keyed (CCW rotation)
• Compression Ratio: 8.5:1
• Ignition: Digital CDI
• Lubrication: Splash system
• Air Cleaner: Dual element
• Oil Capacity: 1.16 qt
• Fuel Capacity: 5.6 qt (86+ octane)
• Weight: 55 lbs
• Dimensions: 15.0” L x 16.9” W x 16.6” H
• Warranty: 3-year commercial (manufacturer defects only)