... 3.Mature products, hot sale 0.5 ton single drum vibratory trench roller The effort of compaction of this machine is ... hydraulic drive unitVibration Mechanical drive, electromagnetic clutchEngine Model Honda GX390178FTypeGasoline engine,air cooled, 4stroke, OHV, single cylinder Diesel engine ... ,air cooled,4 stroke,vertical type, single cylinderPower13.0hp/3600rpm 6.0hp/3600rpmOil tank volume6 ...