Engine:air-cooling,4-stroke, single cylinder gasoline,139F Product SpecificationsCarton Size (cm)G.W/N. ... W(kg)LWHEngine:air-cooling,4-stroke, single cylinder gasoline,139FEngine:Engine:Displacement:31cc3630.5446.5/4.3Engine power: 0. ... 2800-3000rpmCarburetor: diaphragm typeFuel tank capacity: 900mlFuel:gasolineShaft:Shaft:Engine weight:4.3kgsCarrying type: backpack15010114.0/2.5Working pole diameter ...