Products Description
909 Gasoline Sprayer with 139F Engine – Copper Pump, 90cm Gun
Heavy-Duty Knapsack Power Sprayer for Agricultural & Sanitation Use
This 909 gasoline sprayer is a professional-grade knapsack power sprayer designed for high-efficiency pesticide, fertilizer, and disinfectant application. Powered by a reliable 139F 4-stroke engine (0.8–0.85kW / 7000–7500RPM) , it delivers consistent high-pressure output through a durable thickened copper plunger pump with up to 100 hours of service life . The 90cm spray gun provides extended reach up to 12 meters horizontally and 10 meters vertically , making it ideal for orchards, field crops, and sanitation disinfection.
Technical Profiles & Materials
139F 4-Stroke Engine – Reliable 0.8–0.85kW / 7000–7500RPM engine provides consistent power for continuous spraying operations .
Thickened Copper Pump – Durable brass/copper construction with up to 100 hours of plunger life, far exceeding standard pumps. Delivers 8L/min output at 1.5–2.5MPa (15–25 bar) working pressure .
90cm Extended Spray Gun – Long-reach lance allows spraying up to 12 meters horizontally and 10 meters vertically for tall crops and trees .
Large 25–28L Tank Capacity – Extended spraying sessions with fewer refills. Chemical tank capacity ranges from 25L to 28L depending on configuration .
Technical Specifications
| # | Parameter | Specification |
|---|---|---|
| 1 | Model | AC-909 / FT-909 / 909 Series |
| 2 | Engine Model | HS-139F / 139F 4-stroke |
| 3 | Engine Power | 0.8–0.85 kW / 7000–7500 RPM |
| 4 | Cylinder Bore / Displacement | 39mm / 31cc |
| 5 | Pump Type | Copper/Brass Plunger Pump |
| 6 | Working Pressure | 1.5–2.5 MPa (15–25 bar) |
| 7 | Flow Rate | 8 L/min |
| 8 | Spray Gun Length | 90 cm |
| 9 | Horizontal Spray Range | Up to 12 m |
| 10 | Vertical Spray Height | Up to 10 m |
| 11 | Tank Capacity | 25L–28L |
| 12 | Net Weight | 10.5–11.25 kg |
Products Application
Agricultural Crop Protection
Ideal for applying pesticides, fungicides, and liquid fertilizers across field crops, orchards, and plantations. The 90cm gun and 12m spray range provide excellent coverage for tall crops and fruit trees .
Public Health & Sanitation
Effective for disinfection and sanitization in post-disaster environments, epidemic prevention, and public area hygiene management .
Orchard & Plantation Spraying
Extended reach and high-pressure output suit citrus orchards, coconut and areca nut plantations, and vegetable farms. The 25–28L tank capacity enables efficient large-area coverage .
Quality and Craftsmanship Details
Products Package
About Us
As a premier garden machinery parts supplier, Jiaxing Norsun Trading Co., Ltd. bridges global distributors with over 100 vetted China manufacturers. We streamline your B2B supply chain through strict quality control, flexible production, and factory-direct wholesale pricing. Partner with us for reliable, high-volume sourcing of precision-engineered outdoor power equipment components.
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YOUR PROFESSIONAL ONE-STOP SOURCE
FOR 10000+ OUALITY PARTS
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FAQ
Q: What engine oil is used for the 139F engine?
A:The 139F is a 4-stroke engine requiring separate engine oil and fuel-no pre-mixing needed. Check the engine dipstick regularly and fill with SAE 10W-30 or 15W-40 4-stroke oil.
Q: What is the correct operating pressure?
A: The pump operates at 1.5–2.5 MPa (15–25 bar), delivering approximately 8L/min flow rate . Use within this range for optimal spray performance and pump longevity.
Q: How do I maintain the copper pump?
A: Clean the pump after each use by running clean water through the system. Lubricate the plunger regularly with engine oil. The thickened copper pump is designed for up to 100 hours of service life, far exceeding standard pumps .
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