2012 Hot Sale Trencher Attachment Excavator: 1 30-80HP 2 Max Depth:200cm . 3 ... Width:80cm, . 4 Speed: 50m-500m/hour 2012 Hot Sale Trencher Attachment Excavator: 1 The features of the machine:1.1 ... -200cmTrenching width10,16,18,20,22,26,30,32,36,40,42,46,50,52,56,60cm,80cmMart Industry,6 Year ...