Astramilano Am767-4 Knapsack Power Sprayer.

Engine Type: 4-stroke, single-cylinder petrol engine (139F).Tank Capacity: Typically 25 liters (some variations list 20L).Working Pressure: 10–30 kgf/cm2.Fuel Capacity: 1.1 liters.Spray Output: Approximately 8 liters per minute.Engine Displacement: 25.4 cc to 31 cc.