Engine model: 1E40F-5Engine drive: Air-cooling, two-stroke, single cylinder gasolineDisplacement: 42.7CCEngine power: 1.25kw/6500~7000r/minIdle speed: 2800~3200r/minCarburetor: Diaphragm typeFuel tank capacity: 1350mlFuel/oil mixture ratio: 25: 1Working pole diameter: 26mmEngine weight: 4.5kgMachine weight: 9.5kgCarrying type: Backpack