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For agricultural professionals seeking powerful and efficient spraying solutions, a large capacity backpack sprayer is an indispensable tool. These units are designed to handle extensive coverage with minimal effort, making them ideal for large farms, orchards, and commercial landscaping. When looking for top-tier performance, you should consider a High-performance 4 Stroke Sprayer. This type of engine is renowned for its fuel efficiency and consistent power output, reducing operational costs over time. For demanding agricultural applications, an Agricultural 4 Stroke Sprayer provides the durability and reliability needed for daily use in tough conditions. The design of an Agricultural Backpack Sprayer prioritizes operator comfort with ergonomic harness systems, allowing for longer working hours without fatigue. The core of this efficiency lies in the 4 Stroke Powered Sprayer technology, which offers smoother operation and lower emissions compared to 2-stroke alternatives, making it an environmentally conscious choice for modern farming.


The ProSpray 4000 large capacity backpack sprayer is engineered for maximum productivity and user comfort. It features a robust 25-liter chemical tank constructed from high-density polyethylene, which is resistant to corrosion from a wide range of agricultural chemicals, fertilizers, and pesticides. The heart of the ProSpray 4000 is its powerful 4-stroke engine, ensuring reliable starts and consistent pressure for uniform liquid distribution. An adjustable pressure control valve allows operators to fine-tune the spray pattern and flow rate to suit specific crops and application requirements. The spray lance is equipped with an anti-drip valve and multiple nozzle tips for switching between a fine mist and a powerful jet stream. The padded, adjustable backpack harness is designed to distribute the weight evenly across the shoulders and back, significantly reducing operator strain during long-term use.

  • Tank Capacity: 25 Liters (6.6 Gallons)
  • Engine Type: 4-Stroke, Air-Cooled
  • Maximum Pressure: 450 PSI
  • Spray Lance Length: 1.2 Meters (Adjustable)
  • Nozzle Options: Cone, Flat Fan, and Jet Stream
  • Harness Type: Padded, Adjustable Backpack System
Feature Specification Benefit
Engine Displacement 52cc Provides ample power for high-pressure spraying over large areas.
Fuel Tank Capacity 1.2 Liters Enables extended operation time, reducing refueling stops.
Operating Weight (Full) Approx. 15 kg Heavy-duty yet manageable weight for a single operator.
Pump Type Diaphragm Pump Ensures long service life and consistent performance with abrasive mixtures.
Hose Length 2.0 Meters Allows for greater reach and maneuverability around plants and obstacles.

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