A rotary tiller, often known as a rototiller, is a strong gardening instrument used to prepare the soil for planting. Rotary tillers are widely used for both small-scale gardening and large-scale farming. They are especially useful for loosening compacted soil, eliminating weeds, and introducing organic matter like compost or mulch into the ground. Selecting the right rotary tiller depends on several factors, including the size of your garden, soil type, and gardening goals.