2012 Vermeer, SC252 Grinders, Equipped with exclusive features, the SC252 provides full-sized stump-cutting power in a compact unit. Safety features include a patented cutter wheel guard and an operator presence system that disengages the cutter wheel if the operator lets go of the controls. Yellow Jacket Cutter System helps extend pocket and tooth life. Opt for the exclusive Vermeer AutoSweep technology that adjusts the cutter wheel swing speed automatically to reduce engine and drive train stress.