Engine Type: Single cylinder,2-strokes,air-cooled Displacement:30.5cc Rated power: 1.47kw / 6500-7000rpm Idle speed: 2800-3200 rpm Transmission drive: automatic centrifugal clutch Carburetor:float type Starter Method:Hand Pull recoil start Gasoline/2-cycle lubricator oil mixing ratio: 25:1 Fuel tank capacity: 1350ml working pole diameter: 26mm Blade length: 255mm engine weight: 3.5 kgs Whole machine weight: 10.5 kgs packing dimension (engine/shaft) 43*31*31.5cm /139.5*12.5*10.3cm