Please note : gx50 engine made in thailand. GX50 BACKPACK COMBO + 2tillers+2EXTENSION POLES. 4 stroke brush cutter specification. Low noise, low energy consumption. Gasoline engine of 4 stroke brush cutter has the great quality&high efficient carburetor and air fliter, more efficient, long working life. Light weight, convenient and quick cutting. Very light and small package. 4 stroke Brush Cutter GX50. Engine type: air-cooled, four-stroke, single cylinder gasoline.