Engine type: Single cylinder, air-forced cool, two stroke Displacement: 58CC Out power: 2.5kw Carburetor type: Diaphragmatic Fuel tank capacity: 550ml Oil tank capacity: 260ml Bar length: 20" Chain Pitch: 0.325" Chain gauge: 0.058" Chain saw brand: Carltom/Oregon N. W: 5.5KG G. W: 6.8KG Carton: 50X26X30cm Packing quantity: 720PCS/20"container; 1750PCS/40HQ container.