The Hypro D813GRGI & Honda GX390 Electric Engine Assembly combines a high flow three diaphragm pump and a quiet, reliable electric start engine perfect for your spraying needs. Spray up to 21 gpm or 725 psi with this diaphragm pump. Whether you are replacing your current setup on a lawn truck or starting new this is an option for you. Simply attach to a rig to quickly construct your own high performance sprayer.

Hypro high pressure diaphragm pumps are recommended for spraying of 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 medium to large-sized sprayers. Hypro high pressure diaphragm pumps are supplied with single or double-splined through-shafts. Pumps include pulsation dampeners.

The Honda 390cc GX Series OHV commercial-grade engine is designed for the most demanding commercial applications. It has set an industry standard for reliability and durability. Overhead Valve design offers cooler, fuel-efficient operation and cast iron cylinder sleeve provides longer service life. The GX is reliable, easy starting and quiet running. Meets EPA and CARB emission levels standards. This legendary engine has earned the reputation as the preferred engine for construction equipment. Common applications include pressure washers, compressors, go-karts, log splitters and chipper/shredders. 

Hypro D813GRGI:

• Max flow: 21.4 gpm
• Max pressure: 725 psi
• Includes 9910-VDR50 pressure regulator and 9910-KIT1642 gearbox for mounting on 9-13 hp gas engines
• Port sizes: 1-1/2" HB inlet, 3/4" NPT outlet
• Pump shaft rotation: CW and CCW
• Diaphragms: 3, semi-hydraulic, Desmopan® standard Buna available
• Housing: Anodized aluminum
• Max fluid temperature: 140°F
• Weight: 66 lbs

Honda GX390 Electric Start Engine:

• Engine type: Air-cooled 4-stroke OHV
• Starting system: Electric and recoil starter
• Bore x stroke: 88 X 64 mm
• Displacement: 389 cm3
• Net power output: 11.7 HP (8.7 kW) @ 3,600 rpm
• Net torque: 19.5 lb-ft (26.4 Nm) @ 2,500 rpm
• PTO shaft rotation: Counterclockwise (from PTO shaft side)
• Compression ratio: 8.2:1
• Lamp/Charge coil options: 25W, 50W / 1A, 3A, 10A, 18A
• Carburetor: Butterfly float type
• Ignition system: Digital CDI with variable timing
• Lubrication system: Splash
• Governor system: Centrifugal mass type
• Air cleaner: Dual element
• Oil capacity: 1.16 US qt (1.1 L)
• Fuel tank capacity: 6.4 U.S. qts (6.1 liters)
• Fuel: Unleaded 86 octane or higher
• Dry weight: 69 lb (31.5 kg)
• Dimensions: 16.0" L (407 mm) x 19.1" W (485 mm) x 17.7" H (449 mm)
• Warranty: 3 year commercial warranty (limited to manufacturer defects)