Toro introduces a new line of walk-behind stump grinders, the SGR-6 (pictured) and SGR-13, for grinding small stumps in tight-access areas. The 12-tooth cutter wheel on the Toro SGR-6 offers a cutter depth of 6 inches below grade and a cutter height of 10.4 inches above grade. The SGR- 6 comes equipped with a Honda GX200 engine and a heavy-duty centrifugal clutch. The SGR-13’s 12-tooth cutting wheel offers an 11-inch below-grade cutter depth and a 14-inch above-grade cutter height. The SGR-13 is manufacturers with a Honda GX390 engine and a heavy-duty centrifugal clutch. Both models are engineered to be easy to operate and simple to maintain.