If you have ever been faced with hard, rocky soil that turns away the most committed hand garden tool, then you understand how helpful a garden tiller can be. Garden tillers are essential when preparing the soil for a garden, shrubbery, or even general landscaping. Most are equipped with a heavy-duty gasoline engine that rotates blades or tines into the ground. This rotating action breaks up and turns the soil, make it more workable.
Garden tillers are rated in horsepower. The rating will refer to the actual power of the gas engine. To make sure your tiller will be able to handle the job, you need to match the power of the tiller to the hardness of your soil. Just purchasing any tiller will not magically prepare your soil. For example, small machines would be no match Texas clay soil hardened by persistent drought.
Tillers are equipped with different kinds of tines. Bolo tines are designed for deep tilling. They are capable of turning unworked soil into something more manageable for planting. If your landscape area is rocky, then you would need to use pick and chisel tines. They are designed to break up the soil and make it easier to remove rocks and stones before planting. Finally, slasher tines are made to mow through heavy vegetation in advance of additional soil preparation.
Garden tillers are made in two basic varieties. Rear-tine tillers require less work from the operator. The blades are positioned behind the motor giving the tiller a more favorable balance. Front-tine tillers have the blades positioned just below or in front of the engine. Front-tine tillers are best for use on soil that has been tilled before. They will require more arm strength to control.
Garden tillers are not the easiest power tools to handle, especially compared to something like a string trimmer or leaf blower. However, they are a huge improvement over manual methods of preparing the soil for planting.