This page shows the different variations of the Żniwiarka from an Icons8 icon pack. Feel free to resize and recolor the icon, and then download the icon in PNG format for free. Icons are available in PNG and vector.
This looks like a drawing of a tractor or a plow of some kind. There is definitely a plow on the front of what ever machinery it is. Sticking out of the drivers side is some sort of attachment that I can't make out.