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  • Factory Direct Agricultural 3WF-3A 3E 26L 900A 30L Mist /duster Petrol Knapsack duster Patrol Sprayer
  • Factory Direct Agricultural 3WF-3A 3E 26L 900A 30L Mist /duster Petrol Knapsack duster Patrol Sprayer
  • Factory Direct Agricultural 3WF-3A 3E 26L 900A 30L Mist /duster Petrol Knapsack duster Patrol Sprayer
  • Factory Direct Agricultural 3WF-3A 3E 26L 900A 30L Mist /duster Petrol Knapsack duster Patrol Sprayer
  • Factory Direct Agricultural 3WF-3A 3E 26L 900A 30L Mist /duster Petrol Knapsack duster Patrol Sprayer
  • Factory Direct Agricultural 3WF-3A 3E 26L 900A 30L Mist /duster Petrol Knapsack duster Patrol Sprayer
Factory Direct Agricultural 3WF-3A 3E 26L 900A 30L Mist /duster Petrol Knapsack duster Patrol Sprayer

Factory Direct Agricultural 3WF-3A 3E 26L 900A 30L Mist /duster Petrol Knapsack duster Patrol Sprayer

$52.00-$52.00/ Piece|2 Piece/Pieces(Min. Order)
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Factory Direct Agricultural 3WF-3A 3E 26L 900A 30L Mist /duster Petrol Knapsack duster Patrol Sprayer

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • High-Efficiency Liquid/Powder Application: Designed for precision misting and dusting, enabling rapid coverage of pesticides, fertilizers, or cleaning agents over large agricultural fields or industrial spaces.
  • Dual-Nozzle System: Equipped with mist and spray nozzles for flexible application—ideal for targeted pest control (mist) or broader surface cleaning (spray).

Key features

  • 1. Material Technology

    • With a corrosion-resistant PE and plastic body, ensure durability in harsh agricultural or industrial environments. The lightweight design reduces user fatigue compared to traditional metal-bodied sprayers*.

  • 2. Interactive Design

    • With an adjustable spray arm and dual nozzle settings (mist/spray), achieve precise application for diverse tasks like pesticide spraying or large-area disinfection. The ergonomic backpack design allows hands-free operation, outperforming fixed-position models*.

  • 3. Performance Parameters

    • With a 30L tank capacity and pressure-powered system, handle large-scale operations up to 20% faster than standard manual sprayers*. The gasoline engine ensures consistent performance in remote or off-grid areas.

  • 4. Scenario Solutions

    • Designed for both agricultural and industrial scenarios, the backpack sprayer enables efficient misting for crop protection or industrial cleaning. Its portability supports continuous operation in fields or warehouses, unlike stationary equipment*.

  • 5. Certification Standards

    • With eco-friendly material compliance and high-efficiency performance, meet environmental and operational safety standards for chemical application. Certification details are subject to manufacturer confirmation*.

Product details

Factory Direct Agricultural 3WF-3A 3E 26L 900A 30L Mist /duster Petrol Knapsack duster Patrol Sprayer

The Factory Direct Agricultural 3WF-3A Gasoline Knapsack Sprayer is a versatile tool designed for efficient misting and spraying in agricultural and industrial settings. Built with eco-friendly PE and durable plastic materials, it combines high efficiency with portability, enabling users to tackle large-scale applications effortlessly.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialPE and Durable PlasticResists chemical corrosion in pesticide/fertilizer use
Tank Capacity30LSupports extended spraying in large fields or warehouses
Nozzle TypeMist/SprayVersatile for pesticides (mist) or fertilizers (spray)
Power SourceGasoline Engine with Pressure SprayReliable power for heavy-duty tasks like industrial disinfection
Sprayer TypeMist & Power SprayerEfficient coverage in uneven terrain or confined spaces
Spray ArmFlexible, AdjustableTargets specific areas for precision application
WeightLightweight Design (4.8kg Pro Model)Easy portability for farmers/gardeners

Customization guide

Adjustable spray arm length and nozzle type to meet specific application needs, such as varying spray patterns or chemical viscosity requirements.

Get inspired

The 3WF-3A backpack sprayer combines eco-friendly materials with high-efficiency performance, making it ideal for sustainable agriculture and industrial applications. Its versatile design ensures reliability in both field and factory settings.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Tank Capacity (L)202630
Spray EfficiencyStandard+15%+30%
Engine Power (cc)250300350
Weight (kg)5.55.04.8

Supplier's note

  1. Technical Breakthroughs:

    • Eco-friendly PE construction reduces environmental impact while maintaining durability.
    • High-efficiency gasoline engine delivers 30% faster spraying than traditional models.
    • Adjustable spray arm enables precision application in uneven terrain.

  2. Version Selection Guidance:

    • Pro Model: Farmers needing broad coverage choose its 30L capacity for large fields. The 350cc engine ensures uninterrupted operation in harsh conditions.
    • Advanced Model: Industrial users requiring mobility opt for its 5.0kg lightweight design, ideal for warehouse disinfection or factory maintenance.
    • Base Model: Small-scale operations benefit from its cost-effective performance, suitable for gardens or small farms.

With the Pro Model’s 30L tank, you can cover 30% more area without refilling compared to industry benchmarks. Pair its chemical-resistant PE tank with the adjustable spray arm to ensure safe, targeted application of corrosive pesticides. The Advanced Model’s +15% spray efficiency makes it perfect for time-sensitive tasks like post-harvest spraying.

Frequently asked questions

  • Which backpack sprayer model is best for large agricultural fields?

  • How do I maintain the mist nozzle on a gasoline-powered knapsack duster?

  • PE vs Metal: Which material is better for a durable knapsack sprayer?

  • Can the 30L mist sprayer be customized with different nozzle types?

  • Is the 3WF-3A mist sprayer certified for eco-friendly agricultural use?

  • How does the 900A power sprayer handle industrial cleaning tasks?

  • Why choose a gasoline-powered knapsack duster over battery-operated models?

  • What makes the 26L capacity ideal for patrol spraying in large areas?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material ConstructionCorrosive chemical applicationsIndustry: Metal alloys (ASTM A380)
Base: PE/Plastic (ASTM D4976)
Advanced: Reinforced PE (ISO 9001)▲
(Lightweight, 50% lighter than metal)		Lightweight, corrosion-resistant, cost-effective
Advanced: Enhanced durability for rugged use		Base: Prone to dents under heavy impact
Advanced: Higher upfront cost
Operational NoiseUrban pest control/residential areasIndustry: 85 dB (OSHA limit)
Base: 75 dB (ISO 3095)
Advanced: 70 dB▲
(Quieter than lawnmower at 85 dB)		Reduced noise pollution, ideal for populated areasAdvanced model requires premium sound-dampening materials (increased cost)
Spray CoverageLarge orchards/vineyardsIndustry: 10m range (ISO 5008)
Base: 15m (ASME B31.3)
Advanced: 20m▲
(Max range at 2 bar pressure)		Covers 3x more area per tank refill compared to industry standardWind resistance may reduce accuracy at max range
Chemical EfficiencyPesticide application in dense cropsIndustry: 75% efficiency (ISO 2840)
Base: 85% (EPA compliance)
Advanced: 90%▲
(Smart nozzle tech reduces drift)		Reduces chemical waste by 15-20%, cost-effective in long-term useAdvanced nozzles require calibration for optimal performance
Tank CapacityLarge-scale farming operationsIndustry: 20L (ISO 980)
Base: 26L (ASME B31.3)
Advanced: 30L▲
(Ergonomic design for 10+ hour use)		Extended operation time without refillsAdvanced model adds 1.5kg weight when full, may strain users
Engine TypeRemote agricultural areasIndustry: 2-stroke engine (CARB compliant)
Base: 4-stroke (EPA Tier 3)
Advanced: Electric hybrid▲
(Zero emissions, 20km/h mobility)		Base: 20% quieter than 2-stroke engines
Advanced: Zero emissions, silent operation		Advanced requires charging infrastructure, limited battery life (4-5 hours)

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