gasoline-powered trolley sprayer (also commonly used as a high-pressure power sprayer or agricultural pest control sprayer).
Key features visible include:
Engine: Gasoline engine (labeled AICO) mounted to drive the pump.
Pump: Brass triplex/plunger pump setup for generating high pressure.
Storage Tank: Large polyethylene chemical/water tank mounted on the front.
Hose Reel: Integrated hose reel with high-pressure spraying line at the back.
Mobility: Wheeled steel trolley frame with handlebars for easy transportation across fields or grounds.