1,walk-behind concrete trowel; 2,engine:HONDA GX160; 3,one year's quality guarantee. ... extract slurry, compact, smooth and polish the concrete surface.1, HONDA engine, excellent performance, easy to start-up;2, The ... 130rpmBlade Blade quantity4Blade size350x150mmFixed hole distance4.75 inEngine ModelHONDA, GX160TypeGasoline engine,air cooled, 4stroke, OHV, single cylinderPower5.5hp/3600rpmOil ...