... and produced according to market requirements. ModelS-100Engine power (hp)5.0-5.5Work Dia. (mm)960Running Speed (rpm)60-140Pitch degree0-15Package ... power trowel:1, Simple operating procedure and long service life.2, High working effectiveness and speed.3, Low noise.4, Safe ... ,credibility and steady performance.5, Many kinds of engine can be choose,Robin,Lifan,Roben ...