For maximum chemical compatibility and consistent delivery, choose this Comet P36GR & GX160 Engine Assy for your sprayer. Perfectly manufactured to handle low-pressure applications where corrosive chemicals are sprayed - especially in the soft wash industry. With a maximum pressure capacity of 150 PSI, an upper flow limit of 9.6 GPM and an impressive 5.5 horsepower Honda commercial-grade engine, you'll value it for sprayer applications of pesticide, herbicide and liquid fertilizer.

Comet low pressure poly diaphragm pumps are recommended for soft wash, spraying herbicides, pesticides, liquid fertilizers, and many other hard-to-handle fluids. Pressure and output are designed for optimum performance of small to medium-sized sprayers. Honda's GX series engines are legendary for superior reliability and performance. And there's no doubt about it: the GX160 lives up to the legend. Lower noise levels, lower vibration, and lower emissions without sacrificing power output or performance.

P36GR:

• Max flow: 9.6 gpm
• Max pressure: 150 psi
• Includes 1204/662 pressure regulator and  gearbox with 3/4" hollow shaft for mounting on 5 to 6.5 hp gas engines
• Port sizes: 1" HB inlet, 1/2" HB outlet, 3/4" HB bypass
• Pump shaft rotation: CW and CCW
• Diaphragms: 3, semi-hydraulic, Desmopan® standard Buna available
• Housing: Anodized aluminum
• Max fluid temperature: 140°F
• Honda GX160 Recoil Start Engine:
• Engine type: Air-cooled 4-stroke OHV
• Starting sytem: Recoil starter
• Shaft: 3/4" solid keyed
• Bore x stroke: 68 x 45 mm
• Displacement: 163 cm3
• Net power output: 4.8 HP (3.6 kW) @ 3600 rpm 
• Net torque: 7.6 lb-ft (10.3 Nm) @ 2500 rpm
• PTO shaft rotation: Counterclockwise from PTO shaft side
• Compression ratio: 9.0 : 1
• Lamp/Charge coil options: 25W, 50W / 1A, 3A, 7A
• Carburetor: Butterfly
• Ignition system: Transistorized magneto
• Lubrication system: Splash
• Governor system: Centrifugal mechanical
• Air cleaner: Dual element
• Oil capacity: 0.61 US qt. (0.58 L)
• Fuel tank capacity: 3.3 US qts (3.1 liters)
• Fuel: Unleaded 86 octane or higher
• Dry weight 33 lbs (15.1 kg)
• Dimensions: 12.2 in long x 14.3 in wide x 13.6 in high (312 x 362 x 346 mm)
• Warranty: 3 year commercial warranty (limited to manufacturer defects)