Multi-purpose tool set (4 in 1) Engine model:1E40F-5 Engine type: Air-cooled, two-stroke, single cylinder Engine power: 1.25kw/6000r/min Displacement: 42.7cc Carburetor: pump-film type Gasoline/2-cycle oil mixing ratio: 25:1 Idling speed: 2800-3000r/min Fuel tank capacity: 1200ml Pipe diameter: 26mm engine weight:3.8kg Engine packing size: 32*32*23cm split shaft bump feed nylon line head / metal blade / pruner /chainsaw operating type: shoulder strap