Rotary tillers break through a variety of soils to create a workable area for gardens and flowerbeds. ... No matter what type or brand of tiller you own, these blades will need to be sharpened or replaced to keep your machine working properly.

When should I replace tiller tines?

When the "blunt" edge width measures 1/4" to 3/8", a new set is probably required. If the tines become so worn that they are pointed, the tiller will not perform acceptably--you'll be aerating instead of tilling! For the most part, tines need to be replaced as a set (or kit)--not individually.

What are the blades on a rototiller called?

Tiller blades are also known as tines. The tine cultivates and moves through the soil. There are three types of tines: Bolo, Pick and Chisel, and Slasher. The standard tines that come with most machines are Bolo tines.