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How does a cultivator, tiller or rotavator work? Follow

The answer to this question depends on what sort of work you intend to do as there are various different types varying in power and versatility and working in different ways. 

However, when it comes down to basics, the rotary cultivating or tilling action is carried out by strong metal blades fixed to, or mounted on, rotating axles or discs, which are driven by the motor, breaking up and re-distributing the soil, reducing the earth to a finer tilth and breaking up clumps and lumps.

The method of driving the tines or blades varies, depending on the type of machine.

Most have wheels for transport purposes only, and are propelled by both the movement of the blades and, to some degree, especially with the smaller models, the effort of the user. 

The larger, petrol front tine tillers have forward drives, usually driven by a side belt and chain system, but occasionally powered by something called a worm drive, but they are still propelled forward by the rotating tines, while the large petrol rear tine tillers tend to be self-propelled, and are therefore fitted with wheels to aid smooth motion. 

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