4601 740 4607 – STIHL MM Lawn Dethatcher Attachment4601 740 4607 STIHL MM Lawn Dethatcher Attachment The 4601 740 4607 is a genuine STIHL dethatcher attachment for the MM 55 and MM 55 C STIHL Yard Boss cultivators, designed to remove thatch buildup and promote healthy lawn growth. This attachment features spring loaded tines that gently pull up layers of dead grass and debris, improving soil aeration and water absorption. Perfect for seasonal lawn renovation, the STIHL dethatcher is ideal for