
Knapsack Power Sprayers
Multiple tank styles, engine models and pump configurations available.
WX-505 Series
WX-508 Series
WX-708 Series
WX-767 Series
WX-768 Series
WX-769 Series
WX-800 Series
WX-808 Series
WX-809 Series
WX-850 Series
WX-866 Series
WX-900 Series
WX-909 Series
WX-8241 Series
WX-8251 Series
WX-8259 Series
Portable Type Series
Pump Frame Type Series
Square Frame Type Series
Square Frame – Auto Pressure Relief Series
Integrated Type Series
Compare Knapsack Power Sprayer Models
Key specifications side by side, taken from each product's data sheet. Open a model for its full specification table and configuration options.
| Model | Tank Capacity | Engine Model | Rated Power | Displacement | Spray Range | Working Pressure | Flow Rate | Plunger Diameter |
|---|---|---|---|---|---|---|---|---|
| 505 Knapsack Power Sprayer | 20 / 25 L (customizable) | TU26 / 34F / 139 / 35 | 0.7 / 0.75 / 0.85 kW | 25.6 / 31 / 35.8 cc | 7-8 m | 25-30 MPa | 8 L/min | 18 mm |
| 508 Knapsack Power Sprayer | 20 / 25 L (customizable) | TU26 / 34F / 139 / 35 | 0.7 / 0.75 / 0.85 kW | 25.6 / 31 / 35.8 cc | 7-8 m | 25-30 MPa | 8 L/min | 18 mm |
| 708 Knapsack Power Sprayer | 20 L (customizable) | TU26 / 34F / 139 / 35 | 0.7 / 0.75 / 0.85 kW | 25.6 / 31 / 35.8 cc | 7-8 m | 25-30 MPa | 8 L/min | 18 mm |
| 767 Knapsack Power Sprayer | 20 / 25 L (customizable) | TU26 / 34F / 139 / 35 | 0.7 / 0.75 / 0.85 kW | 25.6 / 31 / 35.8 cc | 7-8 m | 25-30 MPa | 8 L/min | 18 mm |
| 768 Knapsack Power Sprayer | 20 / 25 L (customizable) | TU26 / 34F / 139 / 35 | 0.7 / 0.75 / 0.85 kW | 25.6 / 31 / 35.8 cc | 7-8 m | 25-30 MPa | 8 L/min | 18 mm |
| 769 Knapsack Power Sprayer | 15 L (customizable) | TU26 / 34F / 139 / 35 | 0.7 / 0.75 / 0.85 kW | 25.6 / 31 / 35.8 cc | 7-8 m | 25-30 MPa | 8 L/min | 18 mm |
| 800 Knapsack Power Sprayer | 25 L (customizable) | TU26 / 34F / 139 / 35 | 0.7 / 0.75 / 0.85 kW | 25.6 / 31 / 35.8 cc | 7-8 m | 25-30 MPa | 8 L/min | 18 mm |
| 808 Knapsack Power Sprayer | 25 L (customizable) | TU26 / 34F / 139 / 35 | 0.7 / 0.75 / 0.85 kW | 25.6 / 31 / 35.8 cc | 7-8 m | 25-30 MPa | 8 L/min | 18 mm |
| 809 Knapsack Power Sprayer | 25 L (customizable) | TU26 / 34F / 139 / 35 | 0.7 / 0.75 / 0.85 kW | 25.6 / 31 / 35.8 cc | 7-8 m | 25-30 MPa | 8 L/min | 18 mm |
| 8241 Knapsack Power Sprayer | 20 / 25 L (customizable) | TU26 / 34F / 139 / 35 | 0.7 / 0.75 / 0.85 kW | 25.6 / 31 / 35.8 cc | 7-8 m | 25-30 MPa | 8 L/min | 18 mm |
| 8251 Knapsack Power Sprayer | 25 L (customizable) | TU26 / 34F / 139 / 35 | 0.7 / 0.75 / 0.85 kW | 25.6 / 31 / 35.8 cc | 7-8 m | 25-30 MPa | 8 L/min | 18 mm |
| 8255 Knapsack Power Sprayer | 25 L (customizable) | TU26 / 34F / 139 / 35 | 0.7 / 0.75 / 0.85 kW | 25.6 / 31 / 35.8 cc | 7-8 m | 25-30 MPa | 8 L/min | 18 mm |
| 8259 Knapsack Power Sprayer | 25 L (customizable) | TU26 / 34F / 139 / 35 | 0.7 / 0.75 / 0.85 kW | 25.6 / 31 / 35.8 cc | 7-8 m | 25-30 MPa | 8 L/min | 18 mm |
| 850 Knapsack Power Sprayer | 15 L (customizable) | TU26 / 34F / 139 / 35 | 0.7 / 0.75 / 0.85 kW | 25.6 / 31 / 35.8 cc | 7-8 m | 25-30 MPa | 8 L/min | 18 mm |
| 866 Knapsack Power Sprayer | 25 L (customizable) | TU26 / 34F / 35 / 139 | 0.7 / 0.75 / 0.85 kW | 25.6 / 35.8 / 31 cc | 7-8 m | 25-30 MPa | 8 L/min | 18 mm |
| 900 Knapsack Power Sprayer | 30 L (customizable) | TU26 / 34F / 139 / 35 | 0.7 / 0.75 / 0.85 kW | 25.6 / 31 / 35.8 cc | 7-8 m | 25-30 MPa | 8 L/min | 18 mm |
| 909 Knapsack Power Sprayer | 30 L (customizable) | TU26 / 34F / 139 / 35 | 0.7 / 0.75 / 0.85 kW | 25.6 / 31 / 35.8 cc | 7-8 m | 25-30 MPa | 8 L/min | 18 mm |
| All-in-One Power Sprayer | — | TU26 / 34F / 139 / 35 | 0.7 / 0.75 / 0.85 kW | 25.6 / 31 / 35.8 cc | 7-8 m | 25-30 MPa | 8 L/min | 18 mm |
| Portable Power Sprayer | — | TU26 / 34F / 139 / 35 | 0.7 / 0.75 / 0.85 kW | 25.6 / 31 / 35.8 cc | 7-8 m | 25-30 MPa | 8 L/min | 18 mm |
| Pump Frame Power Sprayer | — | TU26 / 34F / 139 / 35 | 0.7 / 0.75 / 0.85 kW | 25.6 / 31 / 35.8 cc | 7-8 m | 25-30 MPa | 8 L/min | 18 mm |
| Square Frame Power Sprayer | — | TU26 / 34F / 139 / 35 | 0.7 / 0.75 / 0.85 kW | 25.6 / 31 / 35.8 cc | 7-8 m | 25-30 MPa | 8 L/min | 18 mm |
What Is a Knapsack Power Sprayer Used For?
A knapsack power sprayer is designed for targeted crop spraying while the operator carries the spraying system on the back. Its main advantage is mobility, allowing users to move between plants, crop rows, and narrow working areas while directing spray toward the intended target.
Compared with manual sprayers, a knapsack power sprayer is more suitable for repeated agricultural work where operators need to move continuously while spraying. It is commonly used for orchards, nurseries, gardens, and other crop areas that require regular plant protection. Because the spraying system is carried rather than pushed or towed, it also suits plots that a wheeled machine cannot enter.
For bulk buyers, the right choice depends on the working environment rather than appearance alone. Consider crop layout, operator movement, spraying frequency, spray targets, and available accessories. A suitable configuration can make daily spraying more practical while helping distributors offer equipment that matches the needs of their agricultural customers.
Which Knapsack Sprayer Suits Orchard Applications?
A knapsack sprayer for orchards should provide convenient movement between trees and allow operators to direct spray toward different parts of the plants. Orchard environments can include narrow spaces, uneven ground, and different tree structures, so maneuverability and spraying control are important.
Buyers should consider the type of crops being treated and where the spray needs to be applied. A configuration suitable for dense foliage may differ from one intended for more open plants. The operator’s working routine should also be considered, including movement between rows, refilling, cleaning, and storage. Tree height and row spacing usually decide how the spray needs to be directed, so both should be confirmed before selecting a configuration.
For distributors, understanding the main orchard applications in the target market is useful before making a bulk purchase. A supplier that can provide different configurations and compatible accessories gives buyers greater flexibility when developing a product range for orchard users.
How Should You Choose Tank Capacity and Nozzle Types?
Knapsack sprayer tank capacity should match the application, operator routine, and availability of refill points. A larger tank can reduce interruptions during spraying, while a smaller configuration may be easier to handle in confined working areas. The right choice depends on how the product will be used rather than on capacity alone.

Knapsack sprayer nozzle types should also match the crop and spray target. Different spray gun and nozzle combinations can create different spray patterns. A focused pattern may be useful for directing spray toward a specific area, while a broader pattern can help provide more even coverage. Where several crops are treated with one unit, a set of interchangeable nozzles is often more practical than a single fixed option.

For bulk purchasing, distributors should confirm available tank and nozzle configurations, compatible replacement parts, and the intended application of each option. This makes it easier to select products that suit orchards, gardens, nurseries, and other agricultural markets.
How Do You Choose and Maintain a Knapsack Power Sprayer?
The best way to choose a knapsack power sprayer for bulk purchasing is to evaluate the application, tank configuration, nozzle options, operator needs, accessories, and maintenance requirements together. Selecting only by appearance or purchase cost may result in a product that does not match the target market.

After selecting the right configuration, regular knapsack sprayer maintenance helps keep the equipment reliable. Clean the spraying system after use according to the product instructions, and check the nozzle, hose, connections, and tank for blockage, leakage, or visible damage. Sealing and moving components should also be maintained as recommended. Keeping a small stock of common replacement parts also reduces downtime during peak spraying periods, when equipment is hardest to replace quickly.
For distributors, clear maintenance guidance and suitable replacement components can improve the user experience. WENXIN can provide different knapsack power sprayer configurations according to customer application requirements, helping distributors develop a practical product range for their target market.
Frequently Asked Questions
What is a power sprayer used for?
A power sprayer is suitable for farm spraying, orchard spraying, pest control, crop protection, and large-area agricultural applications.
What engine options are available for power sprayers?
Power sprayers can be equipped with different gasoline engine options, including 2-stroke and 4-stroke engines depending on the model and application.
What is the spraying distance of a power sprayer?
Spraying distance depends on the engine, pump, nozzle, hose, and working pressure. We can provide model-specific spraying distance and pressure data.
How do I choose the right power sprayer model?
You can choose based on engine type, tank capacity, pump pressure, flow rate, spraying distance, and working area. Our team can recommend suitable models for different farm and market needs.
Can you provide OEM power sprayer orders?
Yes. We support OEM/ODM orders for power sprayers, including color, logo, packaging, accessories, and product configuration customization.
Need OEM/ODM or Wholesale Pricing?
Tell us your target market, order quantity and customization requirements — our team will reply within 24 hours with specifications, packaging options and factory pricing.
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