Engine & Power: Uses a 4-stroke (e.g., 139F model) air-cooled engine, usually around 1.4HP, offering a powerful, consistent spray.
Capacity: Typically features a large 20L to 26L tank, allowing for extended operation in large farms or plantations without frequent refills.
Spray Capability: Delivers a fine, uniform mist over a long distance, ideal for penetrating dense foliage, trees, and greenhouses. [1, 2, 3, 4, 5]
Design: Ergonomic design, usually with padded straps to reduce operator fatigue during long, high-volume spraying tasks.
Functionality: Often acts as a 2-in-1 device, capable of spraying liquid chemicals or, in some models, dispensing powder-based fertilizers/pesticides
Specifications: Often includes a plunger diameter of 18mm, producing a spraying pressure of 15~25 kg/sq-cm, and an output of around 8L/min.