Depends on how rough and weathered it looks, I'd probably offer around $500 for it. It's motors and gears (assuming someone hasn't removed them). Regardless of the origional controller, probably wouldn't be too tough to put in your own. Check it out good, kind of spendy for scrap metal, which is most likely what the scrap yard got it for, and a reason for it just sitting there. Some of the replacement parts could cost $800 or more. There was a surplus site with stuff like that, but very expensive. Will post a link if I remember, but it was a very long time ago. Might find something searching...