Variable; throttle-activated. Tines engage only when you squeeze the throttle. Speed control and quick shut-off switch at your fingertips. Gives you greater control; you won't have to worry about a "runaway" tiller
Gas, 4-cycle, 25cc commercial-grade engine
Tines spin at up to 240 RPM
Fold-down handles with convenient carrying handle
10 inches or reverse the tines to shallow cultivate 2-3 inches
Patented, reversible serpentine; guaranteed for LIFE against breakage
5-year consumer warranty / 2-year consumer warranty; the best warranty in its class!