Model 21BZ-2.2/2.5/3.0/3.4 trailing and hydraulic liftingheavy-duty disc harrow with 20/24/28/32 discs is used for operation inthe field as crop residue processing before tillage, breaking hardenedand impervious soil surface, crushing and spreading straw in the field,shattering soil after tillage, planning the land and preserving soilmoisture. It can be used as tillage instead of plough on the cultivatedland. With the efficient productivity, reasonable utilization of thepower, great ability of cutting and shattering the soil , the soilsurface is smooth and loosening after harrowing, it is well suitablefor heavy clay soil waste land and weedy field as well.

   Having absorbed all advantages from such machines of foreignersand Chinese, it is designed according to the standard as the assembledstructure, the main frame is welded with rectangular tubes, on whichassembled with hydraulic lifting transportation wheels, springadjustable device and special used bearing assemblies.

   Therefore this machine is strong and durable for operation withthe reasonable structure, convenient  for transportation, turningradius is small, easy to be adjusted and maintained, etc.  

Main specifications