Symbol 1514 from ISO 7000 - Title/Meaning: Front scarifier 
Function/description: To identify the control that operates the equipment attached to the front of a machine that scrapes and loosens the ground or material for ease of removal or dispersement.
Own work using: iso.org/obp/graphics/grs/99dfa00c-6ac4-4d41-80f7-46a6ced74048 200.png
Vectorization:  Mrmw