Blades

Blades is a 1989 American horror comedy film distributed by Troma Entertainment and directed and edited by Thomas R. Rondinella, who also co-wrote the film with producers William R. Pace and John P. Finegan. Its plot concerns a series of brutal murders occurring at a prestigious country club's golf course, which are apparently the work of a possessed lawn mower.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.