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| Knapsack Power Sprayer Model | 3WZ-7 |
| Engine model | 139F |
| Engine type | Air-cooled 4 stroke OHV Single Cylinder Horizontal shaft |
| Displacement( cm3 ) | 31 |
| Power output(kw/r/min) | 0.7/6500 |
| Net weight | 12kg |
| Working pressure(MPa) | 0-2.5 |
| Flow | ≥7L/min |
| Container capacity | 25L |
Agricultural Orchard Knapsack Type Protective Sprayer