Toro’s new line of walk-behind stump grinders — the SGR-6 and SGR-13 — is designed for grinding small stumps in tight-access areas. The 12-tooth cutting wheel on the 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 boasts an 11-inch below-grade cutter depth and a 14-inch above-grade cutter height. The SGR-13 is manufactured with a Honda GX390 engine and a heavy-duty centrifugal clutch.The Toro Co.