impact rammer Characteristics: Small size,big impact strength, high producing efficiency, flexible operation,safe reliable . It is apply to grit,gravel , concrete,clay,pitch gravel and various soil ,especially the yard , trench and the narrow place ,it can be competent for the construction task which the big machine can't . Specification: 1.Jumping height:55-70mm 2.Impact ability:65N.m. 3.Impact frequency:460-650t/min 4.Motor power:3KW, 380V, 50HZ,3 PHASE(could be changed ) 5.Net weight:90kg 6.size :620*540*1070mm 7..NW:80kg ,GW:84kg