... weight,easy start,low vibration, 3.Adjustable front handle 1)Engine: 1E139QF,4-stroke,air cooling2)Displacement:31CC3)Revolving diameter: 255mm ... 5)Revolving speed:6500r/min6)Fuel tank Capacity:1200ml7)Engine packing :365x320x420mm Engine G.W/N.W:6.0/5.0KGS 8 ... ,40T,80T blade or nylon cutter as customer required Back pack,4-stroke brush cutter