Billy Goat SG1301HGT Stump Grinder Extended Reach Green Teeth Honda 390 ccBilly Goat SG1301HGT Stump Grinder Extended Reach Green Teeth Honda 390 cc The SG1301HGT Stump Grinder offers a host of category leading features such as the ability to grind from 24 in. above grade to 16 in. below grade. The unit features wide chip guarding, a long cutter head reach, an extended handle for better swing leverage when grinding, and a double welded cutter head guard as well as reinforced frame. The machine is well balanced over the axle