The 30SG stump grinder features a variant of the same time-tested track drive platform used by the RTK trencher series. The 30SG has a hydraulically-driven cutter wheel that is raised and lowered into the stump and then moved from side to side to cut down.
Easy controls operate the track drive and cutter wheel
Time-tested track design absorbs impact and provides stability
Center-mounted cutter wheel provides 134º head swing
Gear pumps coupled to the engine drive the cutter wheel, tilt, and swing
Counterbalance valves on each track drive prevent motors from slipping