... 3.working width (mm):2800--3300--3800 1BZD hydraulic opposed heavy-duty disc harrowused :It is suitable for cleaning stubble before tillage ... after tillage in the field of wasteland, shrub bog and heavy soil.Features:It is adopted frame type of symmetrical structure ... its work on the tractors.Specification of 1BZD hydraulic opposed heavy-duty disc harrow Picture If you interesting in any model , ...