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.

ModelTank CapacityEngine ModelRated PowerDisplacementSpray RangeWorking PressureFlow RatePlunger Diameter
505 Knapsack Power Sprayer20 / 25 L (customizable)TU26 / 34F / 139 / 350.7 / 0.75 / 0.85 kW25.6 / 31 / 35.8 cc7-8 m25-30 MPa8 L/min18 mm
508 Knapsack Power Sprayer20 / 25 L (customizable)TU26 / 34F / 139 / 350.7 / 0.75 / 0.85 kW25.6 / 31 / 35.8 cc7-8 m25-30 MPa8 L/min18 mm
708 Knapsack Power Sprayer20 L (customizable)TU26 / 34F / 139 / 350.7 / 0.75 / 0.85 kW25.6 / 31 / 35.8 cc7-8 m25-30 MPa8 L/min18 mm
767 Knapsack Power Sprayer20 / 25 L (customizable)TU26 / 34F / 139 / 350.7 / 0.75 / 0.85 kW25.6 / 31 / 35.8 cc7-8 m25-30 MPa8 L/min18 mm
768 Knapsack Power Sprayer20 / 25 L (customizable)TU26 / 34F / 139 / 350.7 / 0.75 / 0.85 kW25.6 / 31 / 35.8 cc7-8 m25-30 MPa8 L/min18 mm
769 Knapsack Power Sprayer15 L (customizable)TU26 / 34F / 139 / 350.7 / 0.75 / 0.85 kW25.6 / 31 / 35.8 cc7-8 m25-30 MPa8 L/min18 mm
800 Knapsack Power Sprayer25 L (customizable)TU26 / 34F / 139 / 350.7 / 0.75 / 0.85 kW25.6 / 31 / 35.8 cc7-8 m25-30 MPa8 L/min18 mm
808 Knapsack Power Sprayer25 L (customizable)TU26 / 34F / 139 / 350.7 / 0.75 / 0.85 kW25.6 / 31 / 35.8 cc7-8 m25-30 MPa8 L/min18 mm
809 Knapsack Power Sprayer25 L (customizable)TU26 / 34F / 139 / 350.7 / 0.75 / 0.85 kW25.6 / 31 / 35.8 cc7-8 m25-30 MPa8 L/min18 mm
8241 Knapsack Power Sprayer20 / 25 L (customizable)TU26 / 34F / 139 / 350.7 / 0.75 / 0.85 kW25.6 / 31 / 35.8 cc7-8 m25-30 MPa8 L/min18 mm
8251 Knapsack Power Sprayer25 L (customizable)TU26 / 34F / 139 / 350.7 / 0.75 / 0.85 kW25.6 / 31 / 35.8 cc7-8 m25-30 MPa8 L/min18 mm
8255 Knapsack Power Sprayer25 L (customizable)TU26 / 34F / 139 / 350.7 / 0.75 / 0.85 kW25.6 / 31 / 35.8 cc7-8 m25-30 MPa8 L/min18 mm
8259 Knapsack Power Sprayer25 L (customizable)TU26 / 34F / 139 / 350.7 / 0.75 / 0.85 kW25.6 / 31 / 35.8 cc7-8 m25-30 MPa8 L/min18 mm
850 Knapsack Power Sprayer15 L (customizable)TU26 / 34F / 139 / 350.7 / 0.75 / 0.85 kW25.6 / 31 / 35.8 cc7-8 m25-30 MPa8 L/min18 mm
866 Knapsack Power Sprayer25 L (customizable)TU26 / 34F / 35 / 1390.7 / 0.75 / 0.85 kW25.6 / 35.8 / 31 cc7-8 m25-30 MPa8 L/min18 mm
900 Knapsack Power Sprayer30 L (customizable)TU26 / 34F / 139 / 350.7 / 0.75 / 0.85 kW25.6 / 31 / 35.8 cc7-8 m25-30 MPa8 L/min18 mm
909 Knapsack Power Sprayer30 L (customizable)TU26 / 34F / 139 / 350.7 / 0.75 / 0.85 kW25.6 / 31 / 35.8 cc7-8 m25-30 MPa8 L/min18 mm
All-in-One Power Sprayer—TU26 / 34F / 139 / 350.7 / 0.75 / 0.85 kW25.6 / 31 / 35.8 cc7-8 m25-30 MPa8 L/min18 mm
Portable Power Sprayer—TU26 / 34F / 139 / 350.7 / 0.75 / 0.85 kW25.6 / 31 / 35.8 cc7-8 m25-30 MPa8 L/min18 mm
Pump Frame Power Sprayer—TU26 / 34F / 139 / 350.7 / 0.75 / 0.85 kW25.6 / 31 / 35.8 cc7-8 m25-30 MPa8 L/min18 mm
Square Frame Power Sprayer—TU26 / 34F / 139 / 350.7 / 0.75 / 0.85 kW25.6 / 31 / 35.8 cc7-8 m25-30 MPa8 L/min18 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.

The tank and carrying structure of a knapsack power sprayer.
The tank and carrying structure of a knapsack power sprayer.

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.

A selection of spray guns for different knapsack power sprayer applications.
A selection of spray guns for different knapsack power sprayer applications.

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.

WENXIN 768 knapsack power sprayer, main view
768 Knapsack Power Sprayer — one of the configurations listed on this page.

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.

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