Key Technical Specifications (ML767-4 Model)Engine Type: 4-Stroke, air-cooled (OHV design). Engine Power: Approximately 1.4 HP. Displacement: 31 cc. Fuel Type: Pure unleaded petrol (no oil-gas mixing required). Fuel Tank Capacity: 1.1 Litres. Chemical Tank Capacity: 25 Litres (common for this model). Pump Type: High-pressure brass piston pump. Spraying Pressure: 15 – 25 kg/cm2. Flow Rate: 8.0 Litres per minute.