... 3.Powerful,comfortable,stable and durable. Grass trimmer, also known as a string trimmer, line trimmer, weed whacker, weed whip, weed ... air cooling, discharged away from operatorFull crank engine for extended engine life and reduced vibrationCentrifugal clutch for ease and ... for commercial users, with a robust, reliable performance. Engine 2-stroke, air-cooledDisplacement 33.6ccMax. Power 1HP/7500r ...