... Cylinders,Interchangeable Gearboxes,Superior Balance&Design,High-Tech Polymer Housings.. 4 stroke Brush cutter/Grass cutter/Grass trimmer/Trimmer/Clean sawEngline ... :4-Stroke,139F Dispiacement:31CC Rated output power and relevant:0. ... or Nylon cutter Engine carton:250×190×250mm G/NW:4.9/3.91kgs Working pole carton:1670×110×110mm G ...