... unit, reliable quality. 3.Mature products, hot sale 0.5 ton single drum vibratory trench roller The effort of compaction of ... 4.NSK/SKF bearing and MITSUBOSHI/CONTITECH V-belt;5.Electromagnetism clutch controlling vibration, easy to operate;6. ... electromagnetic clutchEngine Model Honda GX390178FTypeGasoline engine,air cooled, 4stroke, OHV, single cylinder Diesel engine,air cooled,4 stroke,vertical type, ...