- High soil disturbance
- Good handling of obstacles
- Breaking of large clods – harrowing after ploughing
- Chopping and mixing crop residues into the soil
- Primary or Secondary tillage
- Mounted & Trailed.
- Aggressive, Bigger, Heavier
- Two gangs of discs
- Manipulation of angles determine The depth of ploughing
- ‘Tracks’ to one side
