... ,spark plug,piston 2.Light weight,easy start,low vibration, 3.Adjustable front handle 1)Engine: 1E139QF,4-stroke,air cooling2)Displacement ... is suitable for use in highland,mountainous region,unsmooth terrain. 2.It's Ok to choose 2T,3T,4T,40T,80T ... blade or nylon cutter as customer required Back pack,4-stroke brush cutter