... 8CM Jumping Stroke 4.0kw/5.5hp Gasoline Tamping Rammer CR72H Features:The most powerful engine with Honda ... walk-behind/ride-on power trowel series,tamping rammer,vibratory truss screed,surface finishing screed,scarifying machine,gasoline water pump,drum roller,vibratory plate compactor ... . Main products include concrete cutter series,edging/walk-behind/ride-on power trowel series,vibratory truss screed ...