When you need a reliable gas engine along with a pump tooled for multiple applications, select this  John Blue DP-139 & Honda GX 270 Electric Start Engine Assembly. The pump is rated with a maximum pressure of 580 PSI and an upper flow rate of 13.9 GPM, which means it's ideal for use in agriculture, pest control as well as lawn & landscape applications. Additionally, Honda OHV commercial-grade engine gives plenty of power for long-term use.

The DP-139 is a 3 Diaphragm Pump, 1-1/4" Inlet, 1/2" Outlet. Pump has crankshaft flange on one side and 1-3/8" male spline shaft on the opposite side. 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.

GXDP139

• Max Flow: 13.9 GPM
• Max Pressure: 580 PSI
• Included Components: SC-1132-2 pressure regulator; DP-321006 gearbox with 1" hollow shaft (fits 8–9 HP gas engines)
• Ports: 1-1/4" HB inlet; (2) 1/2" HB outlets; 3/4" HB bypass
• Shaft Rotation (Pump): CW & CCW
• Diaphragms: 3, semi-hydraulic, Desmopan®
• Housing: Anodized aluminum
• Max Fluid Temp: 140°F
• Weight (Pump): 48 lbs

Honda GX270 Engine:

• Air-cooled, 4-stroke OHV
• Electric & recoil start
• 1" solid keyed shaft
• Bore x stroke: 73 x 58 mm
• Displacement: 270 cc
• Power: 7.9 HP @ 3600 RPM
• Torque: 13.5 lb-ft @ 2500 RPM
• PTO rotation: Counterclockwis(more...)