20'' 45cc Gasoline Chain Saw 560ml 2.5HP 20'' 45cc Gasoline Chain Saw，Refined OREGEN chain saw blade is sharper and more durable - Engine displacement...45cc - Bar size..... ..500mm(20") - Engine power... 1.8KW/2.5HP - No load speed.. . .8500/min - Fuel tank capacity.....560ml - Net/Gross weight....17.Kg