Mantis 7990 Tiller/Cultivator Powerful Honda 4-cycle (gas only, no fuel mix required) 35cc engine spins the tines twice as fast as other tillers 5 Year consumer warranty on the entire tiller (including engine), plus a lifetime warranty on the tines against breakage Weighs just 34 pounds Finger-controlled throttle for infinite speed control and ease of operation The unique, curvy tines can be used to till down 10 inches deep. Or, simply turn the tines around to shallow cultivate the top 2 to 3 inches of soil